code stringlengths 1 2.01M | repo_name stringlengths 3 62 | path stringlengths 1 267 | language stringclasses 231 values | license stringclasses 13 values | size int64 1 2.01M |
|---|---|---|---|---|---|
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Language Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/language_helper.html
*/
// ------------------------------------------------------------------------
/**
* Lang
*
* Fetches a language variable and optionally outputs a form label
*
* @access public
* @param string the language line
* @param string the id of the form element
* @return string
*/
if ( ! function_exists('lang'))
{
function lang($line, $id = '')
{
$CI =& get_instance();
$line = $CI->lang->line($line);
if ($id != '')
{
$line = '<label for="'.$id.'">'.$line."</label>";
}
return $line;
}
}
// ------------------------------------------------------------------------
/* End of file language_helper.php */
/* Location: ./system/helpers/language_helper.php */ | 069h-course-management | trunk/ci/system/helpers/language_helper.php | PHP | mit | 1,409 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Cookie Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/cookie_helper.html
*/
// ------------------------------------------------------------------------
/**
* Set cookie
*
* Accepts six parameter, or you can submit an associative
* array in the first parameter containing all the values.
*
* @access public
* @param mixed
* @param string the value of the cookie
* @param string the number of seconds until expiration
* @param string the cookie domain. Usually: .yourdomain.com
* @param string the cookie path
* @param string the cookie prefix
* @return void
*/
if ( ! function_exists('set_cookie'))
{
function set_cookie($name = '', $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = FALSE)
{
// Set the config file options
$CI =& get_instance();
$CI->input->set_cookie($name, $value, $expire, $domain, $path, $prefix, $secure);
}
}
// --------------------------------------------------------------------
/**
* Fetch an item from the COOKIE array
*
* @access public
* @param string
* @param bool
* @return mixed
*/
if ( ! function_exists('get_cookie'))
{
function get_cookie($index = '', $xss_clean = FALSE)
{
$CI =& get_instance();
$prefix = '';
if ( ! isset($_COOKIE[$index]) && config_item('cookie_prefix') != '')
{
$prefix = config_item('cookie_prefix');
}
return $CI->input->cookie($prefix.$index, $xss_clean);
}
}
// --------------------------------------------------------------------
/**
* Delete a COOKIE
*
* @param mixed
* @param string the cookie domain. Usually: .yourdomain.com
* @param string the cookie path
* @param string the cookie prefix
* @return void
*/
if ( ! function_exists('delete_cookie'))
{
function delete_cookie($name = '', $domain = '', $path = '/', $prefix = '')
{
set_cookie($name, '', '', $domain, $path, $prefix);
}
}
/* End of file cookie_helper.php */
/* Location: ./system/helpers/cookie_helper.php */ | 069h-course-management | trunk/ci/system/helpers/cookie_helper.php | PHP | mit | 2,591 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Security Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/security_helper.html
*/
// ------------------------------------------------------------------------
/**
* XSS Filtering
*
* @access public
* @param string
* @param bool whether or not the content is an image file
* @return string
*/
if ( ! function_exists('xss_clean'))
{
function xss_clean($str, $is_image = FALSE)
{
$CI =& get_instance();
return $CI->security->xss_clean($str, $is_image);
}
}
// ------------------------------------------------------------------------
/**
* Sanitize Filename
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('sanitize_filename'))
{
function sanitize_filename($filename)
{
$CI =& get_instance();
return $CI->security->sanitize_filename($filename);
}
}
// --------------------------------------------------------------------
/**
* Hash encode a string
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('do_hash'))
{
function do_hash($str, $type = 'sha1')
{
if ($type == 'sha1')
{
return sha1($str);
}
else
{
return md5($str);
}
}
}
// ------------------------------------------------------------------------
/**
* Strip Image Tags
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('strip_image_tags'))
{
function strip_image_tags($str)
{
$str = preg_replace("#<img\s+.*?src\s*=\s*[\"'](.+?)[\"'].*?\>#", "\\1", $str);
$str = preg_replace("#<img\s+.*?src\s*=\s*(.+?).*?\>#", "\\1", $str);
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Convert PHP tags to entities
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('encode_php_tags'))
{
function encode_php_tags($str)
{
return str_replace(array('<?php', '<?PHP', '<?', '?>'), array('<?php', '<?PHP', '<?', '?>'), $str);
}
}
/* End of file security_helper.php */
/* Location: ./system/helpers/security_helper.php */ | 069h-course-management | trunk/ci/system/helpers/security_helper.php | PHP | mit | 2,675 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/helpers/index.html | HTML | mit | 114 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Directory Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/directory_helper.html
*/
// ------------------------------------------------------------------------
/**
* Create a Directory Map
*
* Reads the specified directory and builds an array
* representation of it. Sub-folders contained with the
* directory will be mapped as well.
*
* @access public
* @param string path to source
* @param int depth of directories to traverse (0 = fully recursive, 1 = current dir, etc)
* @return array
*/
if ( ! function_exists('directory_map'))
{
function directory_map($source_dir, $directory_depth = 0, $hidden = FALSE)
{
if ($fp = @opendir($source_dir))
{
$filedata = array();
$new_depth = $directory_depth - 1;
$source_dir = rtrim($source_dir, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
while (FALSE !== ($file = readdir($fp)))
{
// Remove '.', '..', and hidden files [optional]
if ( ! trim($file, '.') OR ($hidden == FALSE && $file[0] == '.'))
{
continue;
}
if (($directory_depth < 1 OR $new_depth > 0) && @is_dir($source_dir.$file))
{
$filedata[$file] = directory_map($source_dir.$file.DIRECTORY_SEPARATOR, $new_depth, $hidden);
}
else
{
$filedata[] = $file;
}
}
closedir($fp);
return $filedata;
}
return FALSE;
}
}
/* End of file directory_helper.php */
/* Location: ./system/helpers/directory_helper.php */ | 069h-course-management | trunk/ci/system/helpers/directory_helper.php | PHP | mit | 2,062 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Email Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/email_helper.html
*/
// ------------------------------------------------------------------------
/**
* Validate email address
*
* @access public
* @return bool
*/
if ( ! function_exists('valid_email'))
{
function valid_email($address)
{
return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $address)) ? FALSE : TRUE;
}
}
// ------------------------------------------------------------------------
/**
* Send an email
*
* @access public
* @return bool
*/
if ( ! function_exists('send_email'))
{
function send_email($recipient, $subject = 'Test email', $message = 'Hello World')
{
return mail($recipient, $subject, $message);
}
}
/* End of file email_helper.php */
/* Location: ./system/helpers/email_helper.php */ | 069h-course-management | trunk/ci/system/helpers/email_helper.php | PHP | mit | 1,483 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Date Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/date_helper.html
*/
// ------------------------------------------------------------------------
/**
* Get "now" time
*
* Returns time() or its GMT equivalent based on the config file preference
*
* @access public
* @return integer
*/
if ( ! function_exists('now'))
{
function now()
{
$CI =& get_instance();
if (strtolower($CI->config->item('time_reference')) == 'gmt')
{
$now = time();
$system_time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now));
if (strlen($system_time) < 10)
{
$system_time = time();
log_message('error', 'The Date class could not set a proper GMT timestamp so the local time() value was used.');
}
return $system_time;
}
else
{
return time();
}
}
}
// ------------------------------------------------------------------------
/**
* Convert MySQL Style Datecodes
*
* This function is identical to PHPs date() function,
* except that it allows date codes to be formatted using
* the MySQL style, where each code letter is preceded
* with a percent sign: %Y %m %d etc...
*
* The benefit of doing dates this way is that you don't
* have to worry about escaping your text letters that
* match the date codes.
*
* @access public
* @param string
* @param integer
* @return integer
*/
if ( ! function_exists('mdate'))
{
function mdate($datestr = '', $time = '')
{
if ($datestr == '')
return '';
if ($time == '')
$time = now();
$datestr = str_replace('%\\', '', preg_replace("/([a-z]+?){1}/i", "\\\\\\1", $datestr));
return date($datestr, $time);
}
}
// ------------------------------------------------------------------------
/**
* Standard Date
*
* Returns a date formatted according to the submitted standard.
*
* @access public
* @param string the chosen format
* @param integer Unix timestamp
* @return string
*/
if ( ! function_exists('standard_date'))
{
function standard_date($fmt = 'DATE_RFC822', $time = '')
{
$formats = array(
'DATE_ATOM' => '%Y-%m-%dT%H:%i:%s%Q',
'DATE_COOKIE' => '%l, %d-%M-%y %H:%i:%s UTC',
'DATE_ISO8601' => '%Y-%m-%dT%H:%i:%s%Q',
'DATE_RFC822' => '%D, %d %M %y %H:%i:%s %O',
'DATE_RFC850' => '%l, %d-%M-%y %H:%i:%s UTC',
'DATE_RFC1036' => '%D, %d %M %y %H:%i:%s %O',
'DATE_RFC1123' => '%D, %d %M %Y %H:%i:%s %O',
'DATE_RSS' => '%D, %d %M %Y %H:%i:%s %O',
'DATE_W3C' => '%Y-%m-%dT%H:%i:%s%Q'
);
if ( ! isset($formats[$fmt]))
{
return FALSE;
}
return mdate($formats[$fmt], $time);
}
}
// ------------------------------------------------------------------------
/**
* Timespan
*
* Returns a span of seconds in this format:
* 10 days 14 hours 36 minutes 47 seconds
*
* @access public
* @param integer a number of seconds
* @param integer Unix timestamp
* @return integer
*/
if ( ! function_exists('timespan'))
{
function timespan($seconds = 1, $time = '')
{
$CI =& get_instance();
$CI->lang->load('date');
if ( ! is_numeric($seconds))
{
$seconds = 1;
}
if ( ! is_numeric($time))
{
$time = time();
}
if ($time <= $seconds)
{
$seconds = 1;
}
else
{
$seconds = $time - $seconds;
}
$str = '';
$years = floor($seconds / 31536000);
if ($years > 0)
{
$str .= $years.' '.$CI->lang->line((($years > 1) ? 'date_years' : 'date_year')).', ';
}
$seconds -= $years * 31536000;
$months = floor($seconds / 2628000);
if ($years > 0 OR $months > 0)
{
if ($months > 0)
{
$str .= $months.' '.$CI->lang->line((($months > 1) ? 'date_months' : 'date_month')).', ';
}
$seconds -= $months * 2628000;
}
$weeks = floor($seconds / 604800);
if ($years > 0 OR $months > 0 OR $weeks > 0)
{
if ($weeks > 0)
{
$str .= $weeks.' '.$CI->lang->line((($weeks > 1) ? 'date_weeks' : 'date_week')).', ';
}
$seconds -= $weeks * 604800;
}
$days = floor($seconds / 86400);
if ($months > 0 OR $weeks > 0 OR $days > 0)
{
if ($days > 0)
{
$str .= $days.' '.$CI->lang->line((($days > 1) ? 'date_days' : 'date_day')).', ';
}
$seconds -= $days * 86400;
}
$hours = floor($seconds / 3600);
if ($days > 0 OR $hours > 0)
{
if ($hours > 0)
{
$str .= $hours.' '.$CI->lang->line((($hours > 1) ? 'date_hours' : 'date_hour')).', ';
}
$seconds -= $hours * 3600;
}
$minutes = floor($seconds / 60);
if ($days > 0 OR $hours > 0 OR $minutes > 0)
{
if ($minutes > 0)
{
$str .= $minutes.' '.$CI->lang->line((($minutes > 1) ? 'date_minutes' : 'date_minute')).', ';
}
$seconds -= $minutes * 60;
}
if ($str == '')
{
$str .= $seconds.' '.$CI->lang->line((($seconds > 1) ? 'date_seconds' : 'date_second')).', ';
}
return substr(trim($str), 0, -1);
}
}
// ------------------------------------------------------------------------
/**
* Number of days in a month
*
* Takes a month/year as input and returns the number of days
* for the given month/year. Takes leap years into consideration.
*
* @access public
* @param integer a numeric month
* @param integer a numeric year
* @return integer
*/
if ( ! function_exists('days_in_month'))
{
function days_in_month($month = 0, $year = '')
{
if ($month < 1 OR $month > 12)
{
return 0;
}
if ( ! is_numeric($year) OR strlen($year) != 4)
{
$year = date('Y');
}
if ($month == 2)
{
if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0))
{
return 29;
}
}
$days_in_month = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
return $days_in_month[$month - 1];
}
}
// ------------------------------------------------------------------------
/**
* Converts a local Unix timestamp to GMT
*
* @access public
* @param integer Unix timestamp
* @return integer
*/
if ( ! function_exists('local_to_gmt'))
{
function local_to_gmt($time = '')
{
if ($time == '')
$time = time();
return mktime( gmdate("H", $time), gmdate("i", $time), gmdate("s", $time), gmdate("m", $time), gmdate("d", $time), gmdate("Y", $time));
}
}
// ------------------------------------------------------------------------
/**
* Converts GMT time to a localized value
*
* Takes a Unix timestamp (in GMT) as input, and returns
* at the local value based on the timezone and DST setting
* submitted
*
* @access public
* @param integer Unix timestamp
* @param string timezone
* @param bool whether DST is active
* @return integer
*/
if ( ! function_exists('gmt_to_local'))
{
function gmt_to_local($time = '', $timezone = 'UTC', $dst = FALSE)
{
if ($time == '')
{
return now();
}
$time += timezones($timezone) * 3600;
if ($dst == TRUE)
{
$time += 3600;
}
return $time;
}
}
// ------------------------------------------------------------------------
/**
* Converts a MySQL Timestamp to Unix
*
* @access public
* @param integer Unix timestamp
* @return integer
*/
if ( ! function_exists('mysql_to_unix'))
{
function mysql_to_unix($time = '')
{
// We'll remove certain characters for backward compatibility
// since the formatting changed with MySQL 4.1
// YYYY-MM-DD HH:MM:SS
$time = str_replace('-', '', $time);
$time = str_replace(':', '', $time);
$time = str_replace(' ', '', $time);
// YYYYMMDDHHMMSS
return mktime(
substr($time, 8, 2),
substr($time, 10, 2),
substr($time, 12, 2),
substr($time, 4, 2),
substr($time, 6, 2),
substr($time, 0, 4)
);
}
}
// ------------------------------------------------------------------------
/**
* Unix to "Human"
*
* Formats Unix timestamp to the following prototype: 2006-08-21 11:35 PM
*
* @access public
* @param integer Unix timestamp
* @param bool whether to show seconds
* @param string format: us or euro
* @return string
*/
if ( ! function_exists('unix_to_human'))
{
function unix_to_human($time = '', $seconds = FALSE, $fmt = 'us')
{
$r = date('Y', $time).'-'.date('m', $time).'-'.date('d', $time).' ';
if ($fmt == 'us')
{
$r .= date('h', $time).':'.date('i', $time);
}
else
{
$r .= date('H', $time).':'.date('i', $time);
}
if ($seconds)
{
$r .= ':'.date('s', $time);
}
if ($fmt == 'us')
{
$r .= ' '.date('A', $time);
}
return $r;
}
}
// ------------------------------------------------------------------------
/**
* Convert "human" date to GMT
*
* Reverses the above process
*
* @access public
* @param string format: us or euro
* @return integer
*/
if ( ! function_exists('human_to_unix'))
{
function human_to_unix($datestr = '')
{
if ($datestr == '')
{
return FALSE;
}
$datestr = trim($datestr);
$datestr = preg_replace("/\040+/", ' ', $datestr);
if ( ! preg_match('/^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\s[0-9]{1,2}:[0-9]{1,2}(?::[0-9]{1,2})?(?:\s[AP]M)?$/i', $datestr))
{
return FALSE;
}
$split = explode(' ', $datestr);
$ex = explode("-", $split['0']);
$year = (strlen($ex['0']) == 2) ? '20'.$ex['0'] : $ex['0'];
$month = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
$day = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
$ex = explode(":", $split['1']);
$hour = (strlen($ex['0']) == 1) ? '0'.$ex['0'] : $ex['0'];
$min = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
if (isset($ex['2']) && preg_match('/[0-9]{1,2}/', $ex['2']))
{
$sec = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
}
else
{
// Unless specified, seconds get set to zero.
$sec = '00';
}
if (isset($split['2']))
{
$ampm = strtolower($split['2']);
if (substr($ampm, 0, 1) == 'p' AND $hour < 12)
$hour = $hour + 12;
if (substr($ampm, 0, 1) == 'a' AND $hour == 12)
$hour = '00';
if (strlen($hour) == 1)
$hour = '0'.$hour;
}
return mktime($hour, $min, $sec, $month, $day, $year);
}
}
// ------------------------------------------------------------------------
/**
* Timezone Menu
*
* Generates a drop-down menu of timezones.
*
* @access public
* @param string timezone
* @param string classname
* @param string menu name
* @return string
*/
if ( ! function_exists('timezone_menu'))
{
function timezone_menu($default = 'UTC', $class = "", $name = 'timezones')
{
$CI =& get_instance();
$CI->lang->load('date');
if ($default == 'GMT')
$default = 'UTC';
$menu = '<select name="'.$name.'"';
if ($class != '')
{
$menu .= ' class="'.$class.'"';
}
$menu .= ">\n";
foreach (timezones() as $key => $val)
{
$selected = ($default == $key) ? " selected='selected'" : '';
$menu .= "<option value='{$key}'{$selected}>".$CI->lang->line($key)."</option>\n";
}
$menu .= "</select>";
return $menu;
}
}
// ------------------------------------------------------------------------
/**
* Timezones
*
* Returns an array of timezones. This is a helper function
* for various other ones in this library
*
* @access public
* @param string timezone
* @return string
*/
if ( ! function_exists('timezones'))
{
function timezones($tz = '')
{
// Note: Don't change the order of these even though
// some items appear to be in the wrong order
$zones = array(
'UM12' => -12,
'UM11' => -11,
'UM10' => -10,
'UM95' => -9.5,
'UM9' => -9,
'UM8' => -8,
'UM7' => -7,
'UM6' => -6,
'UM5' => -5,
'UM45' => -4.5,
'UM4' => -4,
'UM35' => -3.5,
'UM3' => -3,
'UM2' => -2,
'UM1' => -1,
'UTC' => 0,
'UP1' => +1,
'UP2' => +2,
'UP3' => +3,
'UP35' => +3.5,
'UP4' => +4,
'UP45' => +4.5,
'UP5' => +5,
'UP55' => +5.5,
'UP575' => +5.75,
'UP6' => +6,
'UP65' => +6.5,
'UP7' => +7,
'UP8' => +8,
'UP875' => +8.75,
'UP9' => +9,
'UP95' => +9.5,
'UP10' => +10,
'UP105' => +10.5,
'UP11' => +11,
'UP115' => +11.5,
'UP12' => +12,
'UP1275' => +12.75,
'UP13' => +13,
'UP14' => +14
);
if ($tz == '')
{
return $zones;
}
if ($tz == 'GMT')
$tz = 'UTC';
return ( ! isset($zones[$tz])) ? 0 : $zones[$tz];
}
}
/* End of file date_helper.php */
/* Location: ./system/helpers/date_helper.php */ | 069h-course-management | trunk/ci/system/helpers/date_helper.php | PHP | mit | 12,971 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter URL Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/url_helper.html
*/
// ------------------------------------------------------------------------
/**
* Site URL
*
* Create a local URL based on your basepath. Segments can be passed via the
* first parameter either as a string or an array.
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('site_url'))
{
function site_url($uri = '')
{
$CI =& get_instance();
return $CI->config->site_url($uri);
}
}
// ------------------------------------------------------------------------
/**
* Base URL
*
* Create a local URL based on your basepath.
* Segments can be passed in as a string or an array, same as site_url
* or a URL to a file can be passed in, e.g. to an image file.
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('base_url'))
{
function base_url($uri = '')
{
$CI =& get_instance();
return $CI->config->base_url($uri);
}
}
// ------------------------------------------------------------------------
/**
* Current URL
*
* Returns the full URL (including segments) of the page where this
* function is placed
*
* @access public
* @return string
*/
if ( ! function_exists('current_url'))
{
function current_url()
{
$CI =& get_instance();
return $CI->config->site_url($CI->uri->uri_string());
}
}
// ------------------------------------------------------------------------
/**
* URL String
*
* Returns the URI segments.
*
* @access public
* @return string
*/
if ( ! function_exists('uri_string'))
{
function uri_string()
{
$CI =& get_instance();
return $CI->uri->uri_string();
}
}
// ------------------------------------------------------------------------
/**
* Index page
*
* Returns the "index_page" from your config file
*
* @access public
* @return string
*/
if ( ! function_exists('index_page'))
{
function index_page()
{
$CI =& get_instance();
return $CI->config->item('index_page');
}
}
// ------------------------------------------------------------------------
/**
* Anchor Link
*
* Creates an anchor based on the local URL.
*
* @access public
* @param string the URL
* @param string the link title
* @param mixed any attributes
* @return string
*/
if ( ! function_exists('anchor'))
{
function anchor($uri = '', $title = '', $attributes = '')
{
$title = (string) $title;
if ( ! is_array($uri))
{
$site_url = ( ! preg_match('!^\w+://! i', $uri)) ? site_url($uri) : $uri;
}
else
{
$site_url = site_url($uri);
}
if ($title == '')
{
$title = $site_url;
}
if ($attributes != '')
{
$attributes = _parse_attributes($attributes);
}
return '<a href="'.$site_url.'"'.$attributes.'>'.$title.'</a>';
}
}
// ------------------------------------------------------------------------
/**
* Anchor Link - Pop-up version
*
* Creates an anchor based on the local URL. The link
* opens a new window based on the attributes specified.
*
* @access public
* @param string the URL
* @param string the link title
* @param mixed any attributes
* @return string
*/
if ( ! function_exists('anchor_popup'))
{
function anchor_popup($uri = '', $title = '', $attributes = FALSE)
{
$title = (string) $title;
$site_url = ( ! preg_match('!^\w+://! i', $uri)) ? site_url($uri) : $uri;
if ($title == '')
{
$title = $site_url;
}
if ($attributes === FALSE)
{
return "<a href='javascript:void(0);' onclick=\"window.open('".$site_url."', '_blank');\">".$title."</a>";
}
if ( ! is_array($attributes))
{
$attributes = array();
}
foreach (array('width' => '800', 'height' => '600', 'scrollbars' => 'yes', 'status' => 'yes', 'resizable' => 'yes', 'screenx' => '0', 'screeny' => '0', ) as $key => $val)
{
$atts[$key] = ( ! isset($attributes[$key])) ? $val : $attributes[$key];
unset($attributes[$key]);
}
if ($attributes != '')
{
$attributes = _parse_attributes($attributes);
}
return "<a href='javascript:void(0);' onclick=\"window.open('".$site_url."', '_blank', '"._parse_attributes($atts, TRUE)."');\"$attributes>".$title."</a>";
}
}
// ------------------------------------------------------------------------
/**
* Mailto Link
*
* @access public
* @param string the email address
* @param string the link title
* @param mixed any attributes
* @return string
*/
if ( ! function_exists('mailto'))
{
function mailto($email, $title = '', $attributes = '')
{
$title = (string) $title;
if ($title == "")
{
$title = $email;
}
$attributes = _parse_attributes($attributes);
return '<a href="mailto:'.$email.'"'.$attributes.'>'.$title.'</a>';
}
}
// ------------------------------------------------------------------------
/**
* Encoded Mailto Link
*
* Create a spam-protected mailto link written in Javascript
*
* @access public
* @param string the email address
* @param string the link title
* @param mixed any attributes
* @return string
*/
if ( ! function_exists('safe_mailto'))
{
function safe_mailto($email, $title = '', $attributes = '')
{
$title = (string) $title;
if ($title == "")
{
$title = $email;
}
for ($i = 0; $i < 16; $i++)
{
$x[] = substr('<a href="mailto:', $i, 1);
}
for ($i = 0; $i < strlen($email); $i++)
{
$x[] = "|".ord(substr($email, $i, 1));
}
$x[] = '"';
if ($attributes != '')
{
if (is_array($attributes))
{
foreach ($attributes as $key => $val)
{
$x[] = ' '.$key.'="';
for ($i = 0; $i < strlen($val); $i++)
{
$x[] = "|".ord(substr($val, $i, 1));
}
$x[] = '"';
}
}
else
{
for ($i = 0; $i < strlen($attributes); $i++)
{
$x[] = substr($attributes, $i, 1);
}
}
}
$x[] = '>';
$temp = array();
for ($i = 0; $i < strlen($title); $i++)
{
$ordinal = ord($title[$i]);
if ($ordinal < 128)
{
$x[] = "|".$ordinal;
}
else
{
if (count($temp) == 0)
{
$count = ($ordinal < 224) ? 2 : 3;
}
$temp[] = $ordinal;
if (count($temp) == $count)
{
$number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64);
$x[] = "|".$number;
$count = 1;
$temp = array();
}
}
}
$x[] = '<'; $x[] = '/'; $x[] = 'a'; $x[] = '>';
$x = array_reverse($x);
ob_start();
?><script type="text/javascript">
//<![CDATA[
var l=new Array();
<?php
$i = 0;
foreach ($x as $val){ ?>l[<?php echo $i++; ?>]='<?php echo $val; ?>';<?php } ?>
for (var i = l.length-1; i >= 0; i=i-1){
if (l[i].substring(0, 1) == '|') document.write("&#"+unescape(l[i].substring(1))+";");
else document.write(unescape(l[i]));}
//]]>
</script><?php
$buffer = ob_get_contents();
ob_end_clean();
return $buffer;
}
}
// ------------------------------------------------------------------------
/**
* Auto-linker
*
* Automatically links URL and Email addresses.
* Note: There's a bit of extra code here to deal with
* URLs or emails that end in a period. We'll strip these
* off and add them after the link.
*
* @access public
* @param string the string
* @param string the type: email, url, or both
* @param bool whether to create pop-up links
* @return string
*/
if ( ! function_exists('auto_link'))
{
function auto_link($str, $type = 'both', $popup = FALSE)
{
if ($type != 'email')
{
if (preg_match_all("#(^|\s|\()((http(s?)://)|(www\.))(\w+[^\s\)\<]+)#i", $str, $matches))
{
$pop = ($popup == TRUE) ? " target=\"_blank\" " : "";
for ($i = 0; $i < count($matches['0']); $i++)
{
$period = '';
if (preg_match("|\.$|", $matches['6'][$i]))
{
$period = '.';
$matches['6'][$i] = substr($matches['6'][$i], 0, -1);
}
$str = str_replace($matches['0'][$i],
$matches['1'][$i].'<a href="http'.
$matches['4'][$i].'://'.
$matches['5'][$i].
$matches['6'][$i].'"'.$pop.'>http'.
$matches['4'][$i].'://'.
$matches['5'][$i].
$matches['6'][$i].'</a>'.
$period, $str);
}
}
}
if ($type != 'url')
{
if (preg_match_all("/([a-zA-Z0-9_\.\-\+]+)@([a-zA-Z0-9\-]+)\.([a-zA-Z0-9\-\.]*)/i", $str, $matches))
{
for ($i = 0; $i < count($matches['0']); $i++)
{
$period = '';
if (preg_match("|\.$|", $matches['3'][$i]))
{
$period = '.';
$matches['3'][$i] = substr($matches['3'][$i], 0, -1);
}
$str = str_replace($matches['0'][$i], safe_mailto($matches['1'][$i].'@'.$matches['2'][$i].'.'.$matches['3'][$i]).$period, $str);
}
}
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Prep URL
*
* Simply adds the http:// part if no scheme is included
*
* @access public
* @param string the URL
* @return string
*/
if ( ! function_exists('prep_url'))
{
function prep_url($str = '')
{
if ($str == 'http://' OR $str == '')
{
return '';
}
$url = parse_url($str);
if ( ! $url OR ! isset($url['scheme']))
{
$str = 'http://'.$str;
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Create URL Title
*
* Takes a "title" string as input and creates a
* human-friendly URL string with a "separator" string
* as the word separator.
*
* @access public
* @param string the string
* @param string the separator
* @return string
*/
if ( ! function_exists('url_title'))
{
function url_title($str, $separator = '-', $lowercase = FALSE)
{
if ($separator == 'dash')
{
$separator = '-';
}
else if ($separator == 'underscore')
{
$separator = '_';
}
$q_separator = preg_quote($separator);
$trans = array(
'&.+?;' => '',
'[^a-z0-9 _-]' => '',
'\s+' => $separator,
'('.$q_separator.')+' => $separator
);
$str = strip_tags($str);
foreach ($trans as $key => $val)
{
$str = preg_replace("#".$key."#i", $val, $str);
}
if ($lowercase === TRUE)
{
$str = strtolower($str);
}
return trim($str, $separator);
}
}
// ------------------------------------------------------------------------
/**
* Header Redirect
*
* Header redirect in two flavors
* For very fine grained control over headers, you could use the Output
* Library's set_header() function.
*
* @access public
* @param string the URL
* @param string the method: location or redirect
* @return string
*/
if ( ! function_exists('redirect'))
{
function redirect($uri = '', $method = 'location', $http_response_code = 302)
{
if ( ! preg_match('#^https?://#i', $uri))
{
$uri = site_url($uri);
}
switch($method)
{
case 'refresh' : header("Refresh:0;url=".$uri);
break;
default : header("Location: ".$uri, TRUE, $http_response_code);
break;
}
exit;
}
}
// ------------------------------------------------------------------------
/**
* Parse out the attributes
*
* Some of the functions use this
*
* @access private
* @param array
* @param bool
* @return string
*/
if ( ! function_exists('_parse_attributes'))
{
function _parse_attributes($attributes, $javascript = FALSE)
{
if (is_string($attributes))
{
return ($attributes != '') ? ' '.$attributes : '';
}
$att = '';
foreach ($attributes as $key => $val)
{
if ($javascript == TRUE)
{
$att .= $key . '=' . $val . ',';
}
else
{
$att .= ' ' . $key . '="' . $val . '"';
}
}
if ($javascript == TRUE AND $att != '')
{
$att = substr($att, 0, -1);
}
return $att;
}
}
/* End of file url_helper.php */
/* Location: ./system/helpers/url_helper.php */ | 069h-course-management | trunk/ci/system/helpers/url_helper.php | PHP | mit | 12,360 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter File Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/file_helpers.html
*/
// ------------------------------------------------------------------------
/**
* Read File
*
* Opens the file specfied in the path and returns it as a string.
*
* @access public
* @param string path to file
* @return string
*/
if ( ! function_exists('read_file'))
{
function read_file($file)
{
if ( ! file_exists($file))
{
return FALSE;
}
if (function_exists('file_get_contents'))
{
return file_get_contents($file);
}
if ( ! $fp = @fopen($file, FOPEN_READ))
{
return FALSE;
}
flock($fp, LOCK_SH);
$data = '';
if (filesize($file) > 0)
{
$data =& fread($fp, filesize($file));
}
flock($fp, LOCK_UN);
fclose($fp);
return $data;
}
}
// ------------------------------------------------------------------------
/**
* Write File
*
* Writes data to the file specified in the path.
* Creates a new file if non-existent.
*
* @access public
* @param string path to file
* @param string file data
* @return bool
*/
if ( ! function_exists('write_file'))
{
function write_file($path, $data, $mode = FOPEN_WRITE_CREATE_DESTRUCTIVE)
{
if ( ! $fp = @fopen($path, $mode))
{
return FALSE;
}
flock($fp, LOCK_EX);
fwrite($fp, $data);
flock($fp, LOCK_UN);
fclose($fp);
return TRUE;
}
}
// ------------------------------------------------------------------------
/**
* Delete Files
*
* Deletes all files contained in the supplied directory path.
* Files must be writable or owned by the system in order to be deleted.
* If the second parameter is set to TRUE, any directories contained
* within the supplied base directory will be nuked as well.
*
* @access public
* @param string path to file
* @param bool whether to delete any directories found in the path
* @return bool
*/
if ( ! function_exists('delete_files'))
{
function delete_files($path, $del_dir = FALSE, $level = 0)
{
// Trim the trailing slash
$path = rtrim($path, DIRECTORY_SEPARATOR);
if ( ! $current_dir = @opendir($path))
{
return FALSE;
}
while (FALSE !== ($filename = @readdir($current_dir)))
{
if ($filename != "." and $filename != "..")
{
if (is_dir($path.DIRECTORY_SEPARATOR.$filename))
{
// Ignore empty folders
if (substr($filename, 0, 1) != '.')
{
delete_files($path.DIRECTORY_SEPARATOR.$filename, $del_dir, $level + 1);
}
}
else
{
unlink($path.DIRECTORY_SEPARATOR.$filename);
}
}
}
@closedir($current_dir);
if ($del_dir == TRUE AND $level > 0)
{
return @rmdir($path);
}
return TRUE;
}
}
// ------------------------------------------------------------------------
/**
* Get Filenames
*
* Reads the specified directory and builds an array containing the filenames.
* Any sub-folders contained within the specified path are read as well.
*
* @access public
* @param string path to source
* @param bool whether to include the path as part of the filename
* @param bool internal variable to determine recursion status - do not use in calls
* @return array
*/
if ( ! function_exists('get_filenames'))
{
function get_filenames($source_dir, $include_path = FALSE, $_recursion = FALSE)
{
static $_filedata = array();
if ($fp = @opendir($source_dir))
{
// reset the array and make sure $source_dir has a trailing slash on the initial call
if ($_recursion === FALSE)
{
$_filedata = array();
$source_dir = rtrim(realpath($source_dir), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
}
while (FALSE !== ($file = readdir($fp)))
{
if (@is_dir($source_dir.$file) && strncmp($file, '.', 1) !== 0)
{
get_filenames($source_dir.$file.DIRECTORY_SEPARATOR, $include_path, TRUE);
}
elseif (strncmp($file, '.', 1) !== 0)
{
$_filedata[] = ($include_path == TRUE) ? $source_dir.$file : $file;
}
}
return $_filedata;
}
else
{
return FALSE;
}
}
}
// --------------------------------------------------------------------
/**
* Get Directory File Information
*
* Reads the specified directory and builds an array containing the filenames,
* filesize, dates, and permissions
*
* Any sub-folders contained within the specified path are read as well.
*
* @access public
* @param string path to source
* @param bool Look only at the top level directory specified?
* @param bool internal variable to determine recursion status - do not use in calls
* @return array
*/
if ( ! function_exists('get_dir_file_info'))
{
function get_dir_file_info($source_dir, $top_level_only = TRUE, $_recursion = FALSE)
{
static $_filedata = array();
$relative_path = $source_dir;
if ($fp = @opendir($source_dir))
{
// reset the array and make sure $source_dir has a trailing slash on the initial call
if ($_recursion === FALSE)
{
$_filedata = array();
$source_dir = rtrim(realpath($source_dir), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
}
// foreach (scandir($source_dir, 1) as $file) // In addition to being PHP5+, scandir() is simply not as fast
while (FALSE !== ($file = readdir($fp)))
{
if (@is_dir($source_dir.$file) AND strncmp($file, '.', 1) !== 0 AND $top_level_only === FALSE)
{
get_dir_file_info($source_dir.$file.DIRECTORY_SEPARATOR, $top_level_only, TRUE);
}
elseif (strncmp($file, '.', 1) !== 0)
{
$_filedata[$file] = get_file_info($source_dir.$file);
$_filedata[$file]['relative_path'] = $relative_path;
}
}
return $_filedata;
}
else
{
return FALSE;
}
}
}
// --------------------------------------------------------------------
/**
* Get File Info
*
* Given a file and path, returns the name, path, size, date modified
* Second parameter allows you to explicitly declare what information you want returned
* Options are: name, server_path, size, date, readable, writable, executable, fileperms
* Returns FALSE if the file cannot be found.
*
* @access public
* @param string path to file
* @param mixed array or comma separated string of information returned
* @return array
*/
if ( ! function_exists('get_file_info'))
{
function get_file_info($file, $returned_values = array('name', 'server_path', 'size', 'date'))
{
if ( ! file_exists($file))
{
return FALSE;
}
if (is_string($returned_values))
{
$returned_values = explode(',', $returned_values);
}
foreach ($returned_values as $key)
{
switch ($key)
{
case 'name':
$fileinfo['name'] = substr(strrchr($file, DIRECTORY_SEPARATOR), 1);
break;
case 'server_path':
$fileinfo['server_path'] = $file;
break;
case 'size':
$fileinfo['size'] = filesize($file);
break;
case 'date':
$fileinfo['date'] = filemtime($file);
break;
case 'readable':
$fileinfo['readable'] = is_readable($file);
break;
case 'writable':
// There are known problems using is_weritable on IIS. It may not be reliable - consider fileperms()
$fileinfo['writable'] = is_writable($file);
break;
case 'executable':
$fileinfo['executable'] = is_executable($file);
break;
case 'fileperms':
$fileinfo['fileperms'] = fileperms($file);
break;
}
}
return $fileinfo;
}
}
// --------------------------------------------------------------------
/**
* Get Mime by Extension
*
* Translates a file extension into a mime type based on config/mimes.php.
* Returns FALSE if it can't determine the type, or open the mime config file
*
* Note: this is NOT an accurate way of determining file mime types, and is here strictly as a convenience
* It should NOT be trusted, and should certainly NOT be used for security
*
* @access public
* @param string path to file
* @return mixed
*/
if ( ! function_exists('get_mime_by_extension'))
{
function get_mime_by_extension($file)
{
$extension = strtolower(substr(strrchr($file, '.'), 1));
global $mimes;
if ( ! is_array($mimes))
{
if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php');
}
elseif (is_file(APPPATH.'config/mimes.php'))
{
include(APPPATH.'config/mimes.php');
}
if ( ! is_array($mimes))
{
return FALSE;
}
}
if (array_key_exists($extension, $mimes))
{
if (is_array($mimes[$extension]))
{
// Multiple mime types, just give the first one
return current($mimes[$extension]);
}
else
{
return $mimes[$extension];
}
}
else
{
return FALSE;
}
}
}
// --------------------------------------------------------------------
/**
* Symbolic Permissions
*
* Takes a numeric value representing a file's permissions and returns
* standard symbolic notation representing that value
*
* @access public
* @param int
* @return string
*/
if ( ! function_exists('symbolic_permissions'))
{
function symbolic_permissions($perms)
{
if (($perms & 0xC000) == 0xC000)
{
$symbolic = 's'; // Socket
}
elseif (($perms & 0xA000) == 0xA000)
{
$symbolic = 'l'; // Symbolic Link
}
elseif (($perms & 0x8000) == 0x8000)
{
$symbolic = '-'; // Regular
}
elseif (($perms & 0x6000) == 0x6000)
{
$symbolic = 'b'; // Block special
}
elseif (($perms & 0x4000) == 0x4000)
{
$symbolic = 'd'; // Directory
}
elseif (($perms & 0x2000) == 0x2000)
{
$symbolic = 'c'; // Character special
}
elseif (($perms & 0x1000) == 0x1000)
{
$symbolic = 'p'; // FIFO pipe
}
else
{
$symbolic = 'u'; // Unknown
}
// Owner
$symbolic .= (($perms & 0x0100) ? 'r' : '-');
$symbolic .= (($perms & 0x0080) ? 'w' : '-');
$symbolic .= (($perms & 0x0040) ? (($perms & 0x0800) ? 's' : 'x' ) : (($perms & 0x0800) ? 'S' : '-'));
// Group
$symbolic .= (($perms & 0x0020) ? 'r' : '-');
$symbolic .= (($perms & 0x0010) ? 'w' : '-');
$symbolic .= (($perms & 0x0008) ? (($perms & 0x0400) ? 's' : 'x' ) : (($perms & 0x0400) ? 'S' : '-'));
// World
$symbolic .= (($perms & 0x0004) ? 'r' : '-');
$symbolic .= (($perms & 0x0002) ? 'w' : '-');
$symbolic .= (($perms & 0x0001) ? (($perms & 0x0200) ? 't' : 'x' ) : (($perms & 0x0200) ? 'T' : '-'));
return $symbolic;
}
}
// --------------------------------------------------------------------
/**
* Octal Permissions
*
* Takes a numeric value representing a file's permissions and returns
* a three character string representing the file's octal permissions
*
* @access public
* @param int
* @return string
*/
if ( ! function_exists('octal_permissions'))
{
function octal_permissions($perms)
{
return substr(sprintf('%o', $perms), -3);
}
}
/* End of file file_helper.php */
/* Location: ./system/helpers/file_helper.php */ | 069h-course-management | trunk/ci/system/helpers/file_helper.php | PHP | mit | 11,384 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Path Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/xml_helper.html
*/
// ------------------------------------------------------------------------
/**
* Set Realpath
*
* @access public
* @param string
* @param bool checks to see if the path exists
* @return string
*/
if ( ! function_exists('set_realpath'))
{
function set_realpath($path, $check_existance = FALSE)
{
// Security check to make sure the path is NOT a URL. No remote file inclusion!
if (preg_match("#^(http:\/\/|https:\/\/|www\.|ftp|[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})#i", $path))
{
show_error('The path you submitted must be a local server path, not a URL');
}
// Resolve the path
if (function_exists('realpath') AND @realpath($path) !== FALSE)
{
$path = realpath($path).'/';
}
// Add a trailing slash
$path = preg_replace("#([^/])/*$#", "\\1/", $path);
// Make sure the path exists
if ($check_existance == TRUE)
{
if ( ! is_dir($path))
{
show_error('Not a valid path: '.$path);
}
}
return $path;
}
}
/* End of file path_helper.php */
/* Location: ./system/helpers/path_helper.php */ | 069h-course-management | trunk/ci/system/helpers/path_helper.php | PHP | mit | 1,779 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Inflector Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/directory_helper.html
*/
// --------------------------------------------------------------------
/**
* Singular
*
* Takes a plural word and makes it singular
*
* @access public
* @param string
* @return str
*/
if ( ! function_exists('singular'))
{
function singular($str)
{
$result = strval($str);
$singular_rules = array(
'/(matr)ices$/' => '\1ix',
'/(vert|ind)ices$/' => '\1ex',
'/^(ox)en/' => '\1',
'/(alias)es$/' => '\1',
'/([octop|vir])i$/' => '\1us',
'/(cris|ax|test)es$/' => '\1is',
'/(shoe)s$/' => '\1',
'/(o)es$/' => '\1',
'/(bus|campus)es$/' => '\1',
'/([m|l])ice$/' => '\1ouse',
'/(x|ch|ss|sh)es$/' => '\1',
'/(m)ovies$/' => '\1\2ovie',
'/(s)eries$/' => '\1\2eries',
'/([^aeiouy]|qu)ies$/' => '\1y',
'/([lr])ves$/' => '\1f',
'/(tive)s$/' => '\1',
'/(hive)s$/' => '\1',
'/([^f])ves$/' => '\1fe',
'/(^analy)ses$/' => '\1sis',
'/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/' => '\1\2sis',
'/([ti])a$/' => '\1um',
'/(p)eople$/' => '\1\2erson',
'/(m)en$/' => '\1an',
'/(s)tatuses$/' => '\1\2tatus',
'/(c)hildren$/' => '\1\2hild',
'/(n)ews$/' => '\1\2ews',
'/([^u])s$/' => '\1',
);
foreach ($singular_rules as $rule => $replacement)
{
if (preg_match($rule, $result))
{
$result = preg_replace($rule, $replacement, $result);
break;
}
}
return $result;
}
}
// --------------------------------------------------------------------
/**
* Plural
*
* Takes a singular word and makes it plural
*
* @access public
* @param string
* @param bool
* @return str
*/
if ( ! function_exists('plural'))
{
function plural($str, $force = FALSE)
{
$result = strval($str);
$plural_rules = array(
'/^(ox)$/' => '\1\2en', // ox
'/([m|l])ouse$/' => '\1ice', // mouse, louse
'/(matr|vert|ind)ix|ex$/' => '\1ices', // matrix, vertex, index
'/(x|ch|ss|sh)$/' => '\1es', // search, switch, fix, box, process, address
'/([^aeiouy]|qu)y$/' => '\1ies', // query, ability, agency
'/(hive)$/' => '\1s', // archive, hive
'/(?:([^f])fe|([lr])f)$/' => '\1\2ves', // half, safe, wife
'/sis$/' => 'ses', // basis, diagnosis
'/([ti])um$/' => '\1a', // datum, medium
'/(p)erson$/' => '\1eople', // person, salesperson
'/(m)an$/' => '\1en', // man, woman, spokesman
'/(c)hild$/' => '\1hildren', // child
'/(buffal|tomat)o$/' => '\1\2oes', // buffalo, tomato
'/(bu|campu)s$/' => '\1\2ses', // bus, campus
'/(alias|status|virus)/' => '\1es', // alias
'/(octop)us$/' => '\1i', // octopus
'/(ax|cris|test)is$/' => '\1es', // axis, crisis
'/s$/' => 's', // no change (compatibility)
'/$/' => 's',
);
foreach ($plural_rules as $rule => $replacement)
{
if (preg_match($rule, $result))
{
$result = preg_replace($rule, $replacement, $result);
break;
}
}
return $result;
}
}
// --------------------------------------------------------------------
/**
* Camelize
*
* Takes multiple words separated by spaces or underscores and camelizes them
*
* @access public
* @param string
* @return str
*/
if ( ! function_exists('camelize'))
{
function camelize($str)
{
$str = 'x'.strtolower(trim($str));
$str = ucwords(preg_replace('/[\s_]+/', ' ', $str));
return substr(str_replace(' ', '', $str), 1);
}
}
// --------------------------------------------------------------------
/**
* Underscore
*
* Takes multiple words separated by spaces and underscores them
*
* @access public
* @param string
* @return str
*/
if ( ! function_exists('underscore'))
{
function underscore($str)
{
return preg_replace('/[\s]+/', '_', strtolower(trim($str)));
}
}
// --------------------------------------------------------------------
/**
* Humanize
*
* Takes multiple words separated by underscores and changes them to spaces
*
* @access public
* @param string
* @return str
*/
if ( ! function_exists('humanize'))
{
function humanize($str)
{
return ucwords(preg_replace('/[_]+/', ' ', strtolower(trim($str))));
}
}
/* End of file inflector_helper.php */
/* Location: ./system/helpers/inflector_helper.php */ | 069h-course-management | trunk/ci/system/helpers/inflector_helper.php | PHP | mit | 5,367 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Form Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/form_helper.html
*/
// ------------------------------------------------------------------------
/**
* Form Declaration
*
* Creates the opening portion of the form.
*
* @access public
* @param string the URI segments of the form destination
* @param array a key/value pair of attributes
* @param array a key/value pair hidden data
* @return string
*/
if ( ! function_exists('form_open'))
{
function form_open($action = '', $attributes = '', $hidden = array())
{
$CI =& get_instance();
if ($attributes == '')
{
$attributes = 'method="post"';
}
// If an action is not a full URL then turn it into one
if ($action && strpos($action, '://') === FALSE)
{
$action = $CI->config->site_url($action);
}
// If no action is provided then set to the current url
$action OR $action = $CI->config->site_url($CI->uri->uri_string());
$form = '<form action="'.$action.'"';
$form .= _attributes_to_string($attributes, TRUE);
$form .= '>';
// Add CSRF field if enabled, but leave it out for GET requests and requests to external websites
if ($CI->config->item('csrf_protection') === TRUE AND ! (strpos($action, $CI->config->base_url()) === FALSE OR strpos($form, 'method="get"')))
{
$hidden[$CI->security->get_csrf_token_name()] = $CI->security->get_csrf_hash();
}
if (is_array($hidden) AND count($hidden) > 0)
{
$form .= sprintf("<div style=\"display:none\">%s</div>", form_hidden($hidden));
}
return $form;
}
}
// ------------------------------------------------------------------------
/**
* Form Declaration - Multipart type
*
* Creates the opening portion of the form, but with "multipart/form-data".
*
* @access public
* @param string the URI segments of the form destination
* @param array a key/value pair of attributes
* @param array a key/value pair hidden data
* @return string
*/
if ( ! function_exists('form_open_multipart'))
{
function form_open_multipart($action = '', $attributes = array(), $hidden = array())
{
if (is_string($attributes))
{
$attributes .= ' enctype="multipart/form-data"';
}
else
{
$attributes['enctype'] = 'multipart/form-data';
}
return form_open($action, $attributes, $hidden);
}
}
// ------------------------------------------------------------------------
/**
* Hidden Input Field
*
* Generates hidden fields. You can pass a simple key/value string or an associative
* array with multiple values.
*
* @access public
* @param mixed
* @param string
* @return string
*/
if ( ! function_exists('form_hidden'))
{
function form_hidden($name, $value = '', $recursing = FALSE)
{
static $form;
if ($recursing === FALSE)
{
$form = "\n";
}
if (is_array($name))
{
foreach ($name as $key => $val)
{
form_hidden($key, $val, TRUE);
}
return $form;
}
if ( ! is_array($value))
{
$form .= '<input type="hidden" name="'.$name.'" value="'.form_prep($value, $name).'" />'."\n";
}
else
{
foreach ($value as $k => $v)
{
$k = (is_int($k)) ? '' : $k;
form_hidden($name.'['.$k.']', $v, TRUE);
}
}
return $form;
}
}
// ------------------------------------------------------------------------
/**
* Text Input Field
*
* @access public
* @param mixed
* @param string
* @param string
* @return string
*/
if ( ! function_exists('form_input'))
{
function form_input($data = '', $value = '', $extra = '')
{
$defaults = array('type' => 'text', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
return "<input "._parse_form_attributes($data, $defaults).$extra." />";
}
}
// ------------------------------------------------------------------------
/**
* Password Field
*
* Identical to the input function but adds the "password" type
*
* @access public
* @param mixed
* @param string
* @param string
* @return string
*/
if ( ! function_exists('form_password'))
{
function form_password($data = '', $value = '', $extra = '')
{
if ( ! is_array($data))
{
$data = array('name' => $data);
}
$data['type'] = 'password';
return form_input($data, $value, $extra);
}
}
// ------------------------------------------------------------------------
/**
* Upload Field
*
* Identical to the input function but adds the "file" type
*
* @access public
* @param mixed
* @param string
* @param string
* @return string
*/
if ( ! function_exists('form_upload'))
{
function form_upload($data = '', $value = '', $extra = '')
{
if ( ! is_array($data))
{
$data = array('name' => $data);
}
$data['type'] = 'file';
return form_input($data, $value, $extra);
}
}
// ------------------------------------------------------------------------
/**
* Textarea field
*
* @access public
* @param mixed
* @param string
* @param string
* @return string
*/
if ( ! function_exists('form_textarea'))
{
function form_textarea($data = '', $value = '', $extra = '')
{
$defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'cols' => '40', 'rows' => '10');
if ( ! is_array($data) OR ! isset($data['value']))
{
$val = $value;
}
else
{
$val = $data['value'];
unset($data['value']); // textareas don't use the value attribute
}
$name = (is_array($data)) ? $data['name'] : $data;
return "<textarea "._parse_form_attributes($data, $defaults).$extra.">".form_prep($val, $name)."</textarea>";
}
}
// ------------------------------------------------------------------------
/**
* Multi-select menu
*
* @access public
* @param string
* @param array
* @param mixed
* @param string
* @return type
*/
if ( ! function_exists('form_multiselect'))
{
function form_multiselect($name = '', $options = array(), $selected = array(), $extra = '')
{
if ( ! strpos($extra, 'multiple'))
{
$extra .= ' multiple="multiple"';
}
return form_dropdown($name, $options, $selected, $extra);
}
}
// --------------------------------------------------------------------
/**
* Drop-down Menu
*
* @access public
* @param string
* @param array
* @param string
* @param string
* @return string
*/
if ( ! function_exists('form_dropdown'))
{
function form_dropdown($name = '', $options = array(), $selected = array(), $extra = '')
{
if ( ! is_array($selected))
{
$selected = array($selected);
}
// If no selected state was submitted we will attempt to set it automatically
if (count($selected) === 0)
{
// If the form name appears in the $_POST array we have a winner!
if (isset($_POST[$name]))
{
$selected = array($_POST[$name]);
}
}
if ($extra != '') $extra = ' '.$extra;
$multiple = (count($selected) > 1 && strpos($extra, 'multiple') === FALSE) ? ' multiple="multiple"' : '';
$form = '<select name="'.$name.'"'.$extra.$multiple.">\n";
foreach ($options as $key => $val)
{
$key = (string) $key;
if (is_array($val) && ! empty($val))
{
$form .= '<optgroup label="'.$key.'">'."\n";
foreach ($val as $optgroup_key => $optgroup_val)
{
$sel = (in_array($optgroup_key, $selected)) ? ' selected="selected"' : '';
$form .= '<option value="'.$optgroup_key.'"'.$sel.'>'.(string) $optgroup_val."</option>\n";
}
$form .= '</optgroup>'."\n";
}
else
{
$sel = (in_array($key, $selected)) ? ' selected="selected"' : '';
$form .= '<option value="'.$key.'"'.$sel.'>'.(string) $val."</option>\n";
}
}
$form .= '</select>';
return $form;
}
}
// ------------------------------------------------------------------------
/**
* Checkbox Field
*
* @access public
* @param mixed
* @param string
* @param bool
* @param string
* @return string
*/
if ( ! function_exists('form_checkbox'))
{
function form_checkbox($data = '', $value = '', $checked = FALSE, $extra = '')
{
$defaults = array('type' => 'checkbox', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
if (is_array($data) AND array_key_exists('checked', $data))
{
$checked = $data['checked'];
if ($checked == FALSE)
{
unset($data['checked']);
}
else
{
$data['checked'] = 'checked';
}
}
if ($checked == TRUE)
{
$defaults['checked'] = 'checked';
}
else
{
unset($defaults['checked']);
}
return "<input "._parse_form_attributes($data, $defaults).$extra." />";
}
}
// ------------------------------------------------------------------------
/**
* Radio Button
*
* @access public
* @param mixed
* @param string
* @param bool
* @param string
* @return string
*/
if ( ! function_exists('form_radio'))
{
function form_radio($data = '', $value = '', $checked = FALSE, $extra = '')
{
if ( ! is_array($data))
{
$data = array('name' => $data);
}
$data['type'] = 'radio';
return form_checkbox($data, $value, $checked, $extra);
}
}
// ------------------------------------------------------------------------
/**
* Submit Button
*
* @access public
* @param mixed
* @param string
* @param string
* @return string
*/
if ( ! function_exists('form_submit'))
{
function form_submit($data = '', $value = '', $extra = '')
{
$defaults = array('type' => 'submit', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
return "<input "._parse_form_attributes($data, $defaults).$extra." />";
}
}
// ------------------------------------------------------------------------
/**
* Reset Button
*
* @access public
* @param mixed
* @param string
* @param string
* @return string
*/
if ( ! function_exists('form_reset'))
{
function form_reset($data = '', $value = '', $extra = '')
{
$defaults = array('type' => 'reset', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
return "<input "._parse_form_attributes($data, $defaults).$extra." />";
}
}
// ------------------------------------------------------------------------
/**
* Form Button
*
* @access public
* @param mixed
* @param string
* @param string
* @return string
*/
if ( ! function_exists('form_button'))
{
function form_button($data = '', $content = '', $extra = '')
{
$defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'type' => 'button');
if ( is_array($data) AND isset($data['content']))
{
$content = $data['content'];
unset($data['content']); // content is not an attribute
}
return "<button "._parse_form_attributes($data, $defaults).$extra.">".$content."</button>";
}
}
// ------------------------------------------------------------------------
/**
* Form Label Tag
*
* @access public
* @param string The text to appear onscreen
* @param string The id the label applies to
* @param string Additional attributes
* @return string
*/
if ( ! function_exists('form_label'))
{
function form_label($label_text = '', $id = '', $attributes = array())
{
$label = '<label';
if ($id != '')
{
$label .= " for=\"$id\"";
}
if (is_array($attributes) AND count($attributes) > 0)
{
foreach ($attributes as $key => $val)
{
$label .= ' '.$key.'="'.$val.'"';
}
}
$label .= ">$label_text</label>";
return $label;
}
}
// ------------------------------------------------------------------------
/**
* Fieldset Tag
*
* Used to produce <fieldset><legend>text</legend>. To close fieldset
* use form_fieldset_close()
*
* @access public
* @param string The legend text
* @param string Additional attributes
* @return string
*/
if ( ! function_exists('form_fieldset'))
{
function form_fieldset($legend_text = '', $attributes = array())
{
$fieldset = "<fieldset";
$fieldset .= _attributes_to_string($attributes, FALSE);
$fieldset .= ">\n";
if ($legend_text != '')
{
$fieldset .= "<legend>$legend_text</legend>\n";
}
return $fieldset;
}
}
// ------------------------------------------------------------------------
/**
* Fieldset Close Tag
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('form_fieldset_close'))
{
function form_fieldset_close($extra = '')
{
return "</fieldset>".$extra;
}
}
// ------------------------------------------------------------------------
/**
* Form Close Tag
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('form_close'))
{
function form_close($extra = '')
{
return "</form>".$extra;
}
}
// ------------------------------------------------------------------------
/**
* Form Prep
*
* Formats text so that it can be safely placed in a form field in the event it has HTML tags.
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('form_prep'))
{
function form_prep($str = '', $field_name = '')
{
static $prepped_fields = array();
// if the field name is an array we do this recursively
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = form_prep($val);
}
return $str;
}
if ($str === '')
{
return '';
}
// we've already prepped a field with this name
// @todo need to figure out a way to namespace this so
// that we know the *exact* field and not just one with
// the same name
if (isset($prepped_fields[$field_name]))
{
return $str;
}
$str = htmlspecialchars($str);
// In case htmlspecialchars misses these.
$str = str_replace(array("'", '"'), array("'", """), $str);
if ($field_name != '')
{
$prepped_fields[$field_name] = $field_name;
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Form Value
*
* Grabs a value from the POST array for the specified field so you can
* re-populate an input field or textarea. If Form Validation
* is active it retrieves the info from the validation class
*
* @access public
* @param string
* @return mixed
*/
if ( ! function_exists('set_value'))
{
function set_value($field = '', $default = '')
{
if (FALSE === ($OBJ =& _get_validation_object()))
{
if ( ! isset($_POST[$field]))
{
return $default;
}
return form_prep($_POST[$field], $field);
}
return form_prep($OBJ->set_value($field, $default), $field);
}
}
// ------------------------------------------------------------------------
/**
* Set Select
*
* Let's you set the selected value of a <select> menu via data in the POST array.
* If Form Validation is active it retrieves the info from the validation class
*
* @access public
* @param string
* @param string
* @param bool
* @return string
*/
if ( ! function_exists('set_select'))
{
function set_select($field = '', $value = '', $default = FALSE)
{
$OBJ =& _get_validation_object();
if ($OBJ === FALSE)
{
if ( ! isset($_POST[$field]))
{
if (count($_POST) === 0 AND $default == TRUE)
{
return ' selected="selected"';
}
return '';
}
$field = $_POST[$field];
if (is_array($field))
{
if ( ! in_array($value, $field))
{
return '';
}
}
else
{
if (($field == '' OR $value == '') OR ($field != $value))
{
return '';
}
}
return ' selected="selected"';
}
return $OBJ->set_select($field, $value, $default);
}
}
// ------------------------------------------------------------------------
/**
* Set Checkbox
*
* Let's you set the selected value of a checkbox via the value in the POST array.
* If Form Validation is active it retrieves the info from the validation class
*
* @access public
* @param string
* @param string
* @param bool
* @return string
*/
if ( ! function_exists('set_checkbox'))
{
function set_checkbox($field = '', $value = '', $default = FALSE)
{
$OBJ =& _get_validation_object();
if ($OBJ === FALSE)
{
if ( ! isset($_POST[$field]))
{
if (count($_POST) === 0 AND $default == TRUE)
{
return ' checked="checked"';
}
return '';
}
$field = $_POST[$field];
if (is_array($field))
{
if ( ! in_array($value, $field))
{
return '';
}
}
else
{
if (($field == '' OR $value == '') OR ($field != $value))
{
return '';
}
}
return ' checked="checked"';
}
return $OBJ->set_checkbox($field, $value, $default);
}
}
// ------------------------------------------------------------------------
/**
* Set Radio
*
* Let's you set the selected value of a radio field via info in the POST array.
* If Form Validation is active it retrieves the info from the validation class
*
* @access public
* @param string
* @param string
* @param bool
* @return string
*/
if ( ! function_exists('set_radio'))
{
function set_radio($field = '', $value = '', $default = FALSE)
{
$OBJ =& _get_validation_object();
if ($OBJ === FALSE)
{
if ( ! isset($_POST[$field]))
{
if (count($_POST) === 0 AND $default == TRUE)
{
return ' checked="checked"';
}
return '';
}
$field = $_POST[$field];
if (is_array($field))
{
if ( ! in_array($value, $field))
{
return '';
}
}
else
{
if (($field == '' OR $value == '') OR ($field != $value))
{
return '';
}
}
return ' checked="checked"';
}
return $OBJ->set_radio($field, $value, $default);
}
}
// ------------------------------------------------------------------------
/**
* Form Error
*
* Returns the error for a specific form field. This is a helper for the
* form validation class.
*
* @access public
* @param string
* @param string
* @param string
* @return string
*/
if ( ! function_exists('form_error'))
{
function form_error($field = '', $prefix = '', $suffix = '')
{
if (FALSE === ($OBJ =& _get_validation_object()))
{
return '';
}
return $OBJ->error($field, $prefix, $suffix);
}
}
// ------------------------------------------------------------------------
/**
* Validation Error String
*
* Returns all the errors associated with a form submission. This is a helper
* function for the form validation class.
*
* @access public
* @param string
* @param string
* @return string
*/
if ( ! function_exists('validation_errors'))
{
function validation_errors($prefix = '', $suffix = '')
{
if (FALSE === ($OBJ =& _get_validation_object()))
{
return '';
}
return $OBJ->error_string($prefix, $suffix);
}
}
// ------------------------------------------------------------------------
/**
* Parse the form attributes
*
* Helper function used by some of the form helpers
*
* @access private
* @param array
* @param array
* @return string
*/
if ( ! function_exists('_parse_form_attributes'))
{
function _parse_form_attributes($attributes, $default)
{
if (is_array($attributes))
{
foreach ($default as $key => $val)
{
if (isset($attributes[$key]))
{
$default[$key] = $attributes[$key];
unset($attributes[$key]);
}
}
if (count($attributes) > 0)
{
$default = array_merge($default, $attributes);
}
}
$att = '';
foreach ($default as $key => $val)
{
if ($key == 'value')
{
$val = form_prep($val, $default['name']);
}
$att .= $key . '="' . $val . '" ';
}
return $att;
}
}
// ------------------------------------------------------------------------
/**
* Attributes To String
*
* Helper function used by some of the form helpers
*
* @access private
* @param mixed
* @param bool
* @return string
*/
if ( ! function_exists('_attributes_to_string'))
{
function _attributes_to_string($attributes, $formtag = FALSE)
{
if (is_string($attributes) AND strlen($attributes) > 0)
{
if ($formtag == TRUE AND strpos($attributes, 'method=') === FALSE)
{
$attributes .= ' method="post"';
}
if ($formtag == TRUE AND strpos($attributes, 'accept-charset=') === FALSE)
{
$attributes .= ' accept-charset="'.strtolower(config_item('charset')).'"';
}
return ' '.$attributes;
}
if (is_object($attributes) AND count($attributes) > 0)
{
$attributes = (array)$attributes;
}
if (is_array($attributes) AND count($attributes) > 0)
{
$atts = '';
if ( ! isset($attributes['method']) AND $formtag === TRUE)
{
$atts .= ' method="post"';
}
if ( ! isset($attributes['accept-charset']) AND $formtag === TRUE)
{
$atts .= ' accept-charset="'.strtolower(config_item('charset')).'"';
}
foreach ($attributes as $key => $val)
{
$atts .= ' '.$key.'="'.$val.'"';
}
return $atts;
}
}
}
// ------------------------------------------------------------------------
/**
* Validation Object
*
* Determines what the form validation class was instantiated as, fetches
* the object and returns it.
*
* @access private
* @return mixed
*/
if ( ! function_exists('_get_validation_object'))
{
function &_get_validation_object()
{
$CI =& get_instance();
// We set this as a variable since we're returning by reference.
$return = FALSE;
if (FALSE !== ($object = $CI->load->is_loaded('form_validation')))
{
if ( ! isset($CI->$object) OR ! is_object($CI->$object))
{
return $return;
}
return $CI->$object;
}
return $return;
}
}
/* End of file form_helper.php */
/* Location: ./system/helpers/form_helper.php */
| 069h-course-management | trunk/ci/system/helpers/form_helper.php | PHP | mit | 21,772 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Typography Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/typography_helper.html
*/
// ------------------------------------------------------------------------
/**
* Convert newlines to HTML line breaks except within PRE tags
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('nl2br_except_pre'))
{
function nl2br_except_pre($str)
{
$CI =& get_instance();
$CI->load->library('typography');
return $CI->typography->nl2br_except_pre($str);
}
}
// ------------------------------------------------------------------------
/**
* Auto Typography Wrapper Function
*
*
* @access public
* @param string
* @param bool whether to allow javascript event handlers
* @param bool whether to reduce multiple instances of double newlines to two
* @return string
*/
if ( ! function_exists('auto_typography'))
{
function auto_typography($str, $strip_js_event_handlers = TRUE, $reduce_linebreaks = FALSE)
{
$CI =& get_instance();
$CI->load->library('typography');
return $CI->typography->auto_typography($str, $strip_js_event_handlers, $reduce_linebreaks);
}
}
// --------------------------------------------------------------------
/**
* HTML Entities Decode
*
* This function is a replacement for html_entity_decode()
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('entity_decode'))
{
function entity_decode($str, $charset='UTF-8')
{
global $SEC;
return $SEC->entity_decode($str, $charset);
}
}
/* End of file typography_helper.php */
/* Location: ./system/helpers/typography_helper.php */ | 069h-course-management | trunk/ci/system/helpers/typography_helper.php | PHP | mit | 2,239 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter HTML Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/html_helper.html
*/
// ------------------------------------------------------------------------
/**
* Heading
*
* Generates an HTML heading tag. First param is the data.
* Second param is the size of the heading tag.
*
* @access public
* @param string
* @param integer
* @return string
*/
if ( ! function_exists('heading'))
{
function heading($data = '', $h = '1', $attributes = '')
{
$attributes = ($attributes != '') ? ' '.$attributes : $attributes;
return "<h".$h.$attributes.">".$data."</h".$h.">";
}
}
// ------------------------------------------------------------------------
/**
* Unordered List
*
* Generates an HTML unordered list from an single or multi-dimensional array.
*
* @access public
* @param array
* @param mixed
* @return string
*/
if ( ! function_exists('ul'))
{
function ul($list, $attributes = '')
{
return _list('ul', $list, $attributes);
}
}
// ------------------------------------------------------------------------
/**
* Ordered List
*
* Generates an HTML ordered list from an single or multi-dimensional array.
*
* @access public
* @param array
* @param mixed
* @return string
*/
if ( ! function_exists('ol'))
{
function ol($list, $attributes = '')
{
return _list('ol', $list, $attributes);
}
}
// ------------------------------------------------------------------------
/**
* Generates the list
*
* Generates an HTML ordered list from an single or multi-dimensional array.
*
* @access private
* @param string
* @param mixed
* @param mixed
* @param integer
* @return string
*/
if ( ! function_exists('_list'))
{
function _list($type = 'ul', $list, $attributes = '', $depth = 0)
{
// If an array wasn't submitted there's nothing to do...
if ( ! is_array($list))
{
return $list;
}
// Set the indentation based on the depth
$out = str_repeat(" ", $depth);
// Were any attributes submitted? If so generate a string
if (is_array($attributes))
{
$atts = '';
foreach ($attributes as $key => $val)
{
$atts .= ' ' . $key . '="' . $val . '"';
}
$attributes = $atts;
}
elseif (is_string($attributes) AND strlen($attributes) > 0)
{
$attributes = ' '. $attributes;
}
// Write the opening list tag
$out .= "<".$type.$attributes.">\n";
// Cycle through the list elements. If an array is
// encountered we will recursively call _list()
static $_last_list_item = '';
foreach ($list as $key => $val)
{
$_last_list_item = $key;
$out .= str_repeat(" ", $depth + 2);
$out .= "<li>";
if ( ! is_array($val))
{
$out .= $val;
}
else
{
$out .= $_last_list_item."\n";
$out .= _list($type, $val, '', $depth + 4);
$out .= str_repeat(" ", $depth + 2);
}
$out .= "</li>\n";
}
// Set the indentation for the closing tag
$out .= str_repeat(" ", $depth);
// Write the closing list tag
$out .= "</".$type.">\n";
return $out;
}
}
// ------------------------------------------------------------------------
/**
* Generates HTML BR tags based on number supplied
*
* @access public
* @param integer
* @return string
*/
if ( ! function_exists('br'))
{
function br($num = 1)
{
return str_repeat("<br />", $num);
}
}
// ------------------------------------------------------------------------
/**
* Image
*
* Generates an <img /> element
*
* @access public
* @param mixed
* @return string
*/
if ( ! function_exists('img'))
{
function img($src = '', $index_page = FALSE)
{
if ( ! is_array($src) )
{
$src = array('src' => $src);
}
// If there is no alt attribute defined, set it to an empty string
if ( ! isset($src['alt']))
{
$src['alt'] = '';
}
$img = '<img';
foreach ($src as $k=>$v)
{
if ($k == 'src' AND strpos($v, '://') === FALSE)
{
$CI =& get_instance();
if ($index_page === TRUE)
{
$img .= ' src="'.$CI->config->site_url($v).'"';
}
else
{
$img .= ' src="'.$CI->config->slash_item('base_url').$v.'"';
}
}
else
{
$img .= " $k=\"$v\"";
}
}
$img .= '/>';
return $img;
}
}
// ------------------------------------------------------------------------
/**
* Doctype
*
* Generates a page document type declaration
*
* Valid options are xhtml-11, xhtml-strict, xhtml-trans, xhtml-frame,
* html4-strict, html4-trans, and html4-frame. Values are saved in the
* doctypes config file.
*
* @access public
* @param string type The doctype to be generated
* @return string
*/
if ( ! function_exists('doctype'))
{
function doctype($type = 'xhtml1-strict')
{
global $_doctypes;
if ( ! is_array($_doctypes))
{
if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/doctypes.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/doctypes.php');
}
elseif (is_file(APPPATH.'config/doctypes.php'))
{
include(APPPATH.'config/doctypes.php');
}
if ( ! is_array($_doctypes))
{
return FALSE;
}
}
if (isset($_doctypes[$type]))
{
return $_doctypes[$type];
}
else
{
return FALSE;
}
}
}
// ------------------------------------------------------------------------
/**
* Link
*
* Generates link to a CSS file
*
* @access public
* @param mixed stylesheet hrefs or an array
* @param string rel
* @param string type
* @param string title
* @param string media
* @param boolean should index_page be added to the css path
* @return string
*/
if ( ! function_exists('link_tag'))
{
function link_tag($href = '', $rel = 'stylesheet', $type = 'text/css', $title = '', $media = '', $index_page = FALSE)
{
$CI =& get_instance();
$link = '<link ';
if (is_array($href))
{
foreach ($href as $k=>$v)
{
if ($k == 'href' AND strpos($v, '://') === FALSE)
{
if ($index_page === TRUE)
{
$link .= 'href="'.$CI->config->site_url($v).'" ';
}
else
{
$link .= 'href="'.$CI->config->slash_item('base_url').$v.'" ';
}
}
else
{
$link .= "$k=\"$v\" ";
}
}
$link .= "/>";
}
else
{
if ( strpos($href, '://') !== FALSE)
{
$link .= 'href="'.$href.'" ';
}
elseif ($index_page === TRUE)
{
$link .= 'href="'.$CI->config->site_url($href).'" ';
}
else
{
$link .= 'href="'.$CI->config->slash_item('base_url').$href.'" ';
}
$link .= 'rel="'.$rel.'" type="'.$type.'" ';
if ($media != '')
{
$link .= 'media="'.$media.'" ';
}
if ($title != '')
{
$link .= 'title="'.$title.'" ';
}
$link .= '/>';
}
return $link;
}
}
// ------------------------------------------------------------------------
/**
* Generates meta tags from an array of key/values
*
* @access public
* @param array
* @return string
*/
if ( ! function_exists('meta'))
{
function meta($name = '', $content = '', $type = 'name', $newline = "\n")
{
// Since we allow the data to be passes as a string, a simple array
// or a multidimensional one, we need to do a little prepping.
if ( ! is_array($name))
{
$name = array(array('name' => $name, 'content' => $content, 'type' => $type, 'newline' => $newline));
}
else
{
// Turn single array into multidimensional
if (isset($name['name']))
{
$name = array($name);
}
}
$str = '';
foreach ($name as $meta)
{
$type = ( ! isset($meta['type']) OR $meta['type'] == 'name') ? 'name' : 'http-equiv';
$name = ( ! isset($meta['name'])) ? '' : $meta['name'];
$content = ( ! isset($meta['content'])) ? '' : $meta['content'];
$newline = ( ! isset($meta['newline'])) ? "\n" : $meta['newline'];
$str .= '<meta '.$type.'="'.$name.'" content="'.$content.'" />'.$newline;
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Generates non-breaking space entities based on number supplied
*
* @access public
* @param integer
* @return string
*/
if ( ! function_exists('nbs'))
{
function nbs($num = 1)
{
return str_repeat(" ", $num);
}
}
/* End of file html_helper.php */
/* Location: ./system/helpers/html_helper.php */ | 069h-course-management | trunk/ci/system/helpers/html_helper.php | PHP | mit | 8,796 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Array Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/array_helper.html
*/
// ------------------------------------------------------------------------
/**
* Element
*
* Lets you determine whether an array index is set and whether it has a value.
* If the element is empty it returns FALSE (or whatever you specify as the default value.)
*
* @access public
* @param string
* @param array
* @param mixed
* @return mixed depends on what the array contains
*/
if ( ! function_exists('element'))
{
function element($item, $array, $default = FALSE)
{
if ( ! isset($array[$item]) OR $array[$item] == "")
{
return $default;
}
return $array[$item];
}
}
// ------------------------------------------------------------------------
/**
* Random Element - Takes an array as input and returns a random element
*
* @access public
* @param array
* @return mixed depends on what the array contains
*/
if ( ! function_exists('random_element'))
{
function random_element($array)
{
if ( ! is_array($array))
{
return $array;
}
return $array[array_rand($array)];
}
}
// --------------------------------------------------------------------
/**
* Elements
*
* Returns only the array items specified. Will return a default value if
* it is not set.
*
* @access public
* @param array
* @param array
* @param mixed
* @return mixed depends on what the array contains
*/
if ( ! function_exists('elements'))
{
function elements($items, $array, $default = FALSE)
{
$return = array();
if ( ! is_array($items))
{
$items = array($items);
}
foreach ($items as $item)
{
if (isset($array[$item]))
{
$return[$item] = $array[$item];
}
else
{
$return[$item] = $default;
}
}
return $return;
}
}
/* End of file array_helper.php */
/* Location: ./system/helpers/array_helper.php */ | 069h-course-management | trunk/ci/system/helpers/array_helper.php | PHP | mit | 2,509 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter String Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/string_helper.html
*/
// ------------------------------------------------------------------------
/**
* Trim Slashes
*
* Removes any leading/trailing slashes from a string:
*
* /this/that/theother/
*
* becomes:
*
* this/that/theother
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('trim_slashes'))
{
function trim_slashes($str)
{
return trim($str, '/');
}
}
// ------------------------------------------------------------------------
/**
* Strip Slashes
*
* Removes slashes contained in a string or in an array
*
* @access public
* @param mixed string or array
* @return mixed string or array
*/
if ( ! function_exists('strip_slashes'))
{
function strip_slashes($str)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = strip_slashes($val);
}
}
else
{
$str = stripslashes($str);
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Strip Quotes
*
* Removes single and double quotes from a string
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('strip_quotes'))
{
function strip_quotes($str)
{
return str_replace(array('"', "'"), '', $str);
}
}
// ------------------------------------------------------------------------
/**
* Quotes to Entities
*
* Converts single and double quotes to entities
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('quotes_to_entities'))
{
function quotes_to_entities($str)
{
return str_replace(array("\'","\"","'",'"'), array("'",""","'","""), $str);
}
}
// ------------------------------------------------------------------------
/**
* Reduce Double Slashes
*
* Converts double slashes in a string to a single slash,
* except those found in http://
*
* http://www.some-site.com//index.php
*
* becomes:
*
* http://www.some-site.com/index.php
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('reduce_double_slashes'))
{
function reduce_double_slashes($str)
{
return preg_replace("#(^|[^:])//+#", "\\1/", $str);
}
}
// ------------------------------------------------------------------------
/**
* Reduce Multiples
*
* Reduces multiple instances of a particular character. Example:
*
* Fred, Bill,, Joe, Jimmy
*
* becomes:
*
* Fred, Bill, Joe, Jimmy
*
* @access public
* @param string
* @param string the character you wish to reduce
* @param bool TRUE/FALSE - whether to trim the character from the beginning/end
* @return string
*/
if ( ! function_exists('reduce_multiples'))
{
function reduce_multiples($str, $character = ',', $trim = FALSE)
{
$str = preg_replace('#'.preg_quote($character, '#').'{2,}#', $character, $str);
if ($trim === TRUE)
{
$str = trim($str, $character);
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Create a Random String
*
* Useful for generating passwords or hashes.
*
* @access public
* @param string type of random string. basic, alpha, alunum, numeric, nozero, unique, md5, encrypt and sha1
* @param integer number of characters
* @return string
*/
if ( ! function_exists('random_string'))
{
function random_string($type = 'alnum', $len = 8)
{
switch($type)
{
case 'basic' : return mt_rand();
break;
case 'alnum' :
case 'numeric' :
case 'nozero' :
case 'alpha' :
switch ($type)
{
case 'alpha' : $pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
break;
case 'alnum' : $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
break;
case 'numeric' : $pool = '0123456789';
break;
case 'nozero' : $pool = '123456789';
break;
}
$str = '';
for ($i=0; $i < $len; $i++)
{
$str .= substr($pool, mt_rand(0, strlen($pool) -1), 1);
}
return $str;
break;
case 'unique' :
case 'md5' :
return md5(uniqid(mt_rand()));
break;
case 'encrypt' :
case 'sha1' :
$CI =& get_instance();
$CI->load->helper('security');
return do_hash(uniqid(mt_rand(), TRUE), 'sha1');
break;
}
}
}
// ------------------------------------------------------------------------
/**
* Add's _1 to a string or increment the ending number to allow _2, _3, etc
*
* @param string $str required
* @param string $separator What should the duplicate number be appended with
* @param string $first Which number should be used for the first dupe increment
* @return string
*/
function increment_string($str, $separator = '_', $first = 1)
{
preg_match('/(.+)'.$separator.'([0-9]+)$/', $str, $match);
return isset($match[2]) ? $match[1].$separator.($match[2] + 1) : $str.$separator.$first;
}
// ------------------------------------------------------------------------
/**
* Alternator
*
* Allows strings to be alternated. See docs...
*
* @access public
* @param string (as many parameters as needed)
* @return string
*/
if ( ! function_exists('alternator'))
{
function alternator()
{
static $i;
if (func_num_args() == 0)
{
$i = 0;
return '';
}
$args = func_get_args();
return $args[($i++ % count($args))];
}
}
// ------------------------------------------------------------------------
/**
* Repeater function
*
* @access public
* @param string
* @param integer number of repeats
* @return string
*/
if ( ! function_exists('repeater'))
{
function repeater($data, $num = 1)
{
return (($num > 0) ? str_repeat($data, $num) : '');
}
}
/* End of file string_helper.php */
/* Location: ./system/helpers/string_helper.php */ | 069h-course-management | trunk/ci/system/helpers/string_helper.php | PHP | mit | 6,433 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Smiley Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/smiley_helper.html
*/
// ------------------------------------------------------------------------
/**
* Smiley Javascript
*
* Returns the javascript required for the smiley insertion. Optionally takes
* an array of aliases to loosely couple the smiley array to the view.
*
* @access public
* @param mixed alias name or array of alias->field_id pairs
* @param string field_id if alias name was passed in
* @return array
*/
if ( ! function_exists('smiley_js'))
{
function smiley_js($alias = '', $field_id = '', $inline = TRUE)
{
static $do_setup = TRUE;
$r = '';
if ($alias != '' && ! is_array($alias))
{
$alias = array($alias => $field_id);
}
if ($do_setup === TRUE)
{
$do_setup = FALSE;
$m = array();
if (is_array($alias))
{
foreach ($alias as $name => $id)
{
$m[] = '"'.$name.'" : "'.$id.'"';
}
}
$m = '{'.implode(',', $m).'}';
$r .= <<<EOF
var smiley_map = {$m};
function insert_smiley(smiley, field_id) {
var el = document.getElementById(field_id), newStart;
if ( ! el && smiley_map[field_id]) {
el = document.getElementById(smiley_map[field_id]);
if ( ! el)
return false;
}
el.focus();
smiley = " " + smiley;
if ('selectionStart' in el) {
newStart = el.selectionStart + smiley.length;
el.value = el.value.substr(0, el.selectionStart) +
smiley +
el.value.substr(el.selectionEnd, el.value.length);
el.setSelectionRange(newStart, newStart);
}
else if (document.selection) {
document.selection.createRange().text = smiley;
}
}
EOF;
}
else
{
if (is_array($alias))
{
foreach ($alias as $name => $id)
{
$r .= 'smiley_map["'.$name.'"] = "'.$id.'";'."\n";
}
}
}
if ($inline)
{
return '<script type="text/javascript" charset="utf-8">/*<![CDATA[ */'.$r.'// ]]></script>';
}
else
{
return $r;
}
}
}
// ------------------------------------------------------------------------
/**
* Get Clickable Smileys
*
* Returns an array of image tag links that can be clicked to be inserted
* into a form field.
*
* @access public
* @param string the URL to the folder containing the smiley images
* @return array
*/
if ( ! function_exists('get_clickable_smileys'))
{
function get_clickable_smileys($image_url, $alias = '', $smileys = NULL)
{
// For backward compatibility with js_insert_smiley
if (is_array($alias))
{
$smileys = $alias;
}
if ( ! is_array($smileys))
{
if (FALSE === ($smileys = _get_smiley_array()))
{
return $smileys;
}
}
// Add a trailing slash to the file path if needed
$image_url = rtrim($image_url, '/').'/';
$used = array();
foreach ($smileys as $key => $val)
{
// Keep duplicates from being used, which can happen if the
// mapping array contains multiple identical replacements. For example:
// :-) and :) might be replaced with the same image so both smileys
// will be in the array.
if (isset($used[$smileys[$key][0]]))
{
continue;
}
$link[] = "<a href=\"javascript:void(0);\" onclick=\"insert_smiley('".$key."', '".$alias."')\"><img src=\"".$image_url.$smileys[$key][0]."\" width=\"".$smileys[$key][1]."\" height=\"".$smileys[$key][2]."\" alt=\"".$smileys[$key][3]."\" style=\"border:0;\" /></a>";
$used[$smileys[$key][0]] = TRUE;
}
return $link;
}
}
// ------------------------------------------------------------------------
/**
* Parse Smileys
*
* Takes a string as input and swaps any contained smileys for the actual image
*
* @access public
* @param string the text to be parsed
* @param string the URL to the folder containing the smiley images
* @return string
*/
if ( ! function_exists('parse_smileys'))
{
function parse_smileys($str = '', $image_url = '', $smileys = NULL)
{
if ($image_url == '')
{
return $str;
}
if ( ! is_array($smileys))
{
if (FALSE === ($smileys = _get_smiley_array()))
{
return $str;
}
}
// Add a trailing slash to the file path if needed
$image_url = preg_replace("/(.+?)\/*$/", "\\1/", $image_url);
foreach ($smileys as $key => $val)
{
$str = str_replace($key, "<img src=\"".$image_url.$smileys[$key][0]."\" width=\"".$smileys[$key][1]."\" height=\"".$smileys[$key][2]."\" alt=\"".$smileys[$key][3]."\" style=\"border:0;\" />", $str);
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Get Smiley Array
*
* Fetches the config/smiley.php file
*
* @access private
* @return mixed
*/
if ( ! function_exists('_get_smiley_array'))
{
function _get_smiley_array()
{
if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/smileys.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/smileys.php');
}
elseif (file_exists(APPPATH.'config/smileys.php'))
{
include(APPPATH.'config/smileys.php');
}
if (isset($smileys) AND is_array($smileys))
{
return $smileys;
}
return FALSE;
}
}
// ------------------------------------------------------------------------
/**
* JS Insert Smiley
*
* Generates the javascript function needed to insert smileys into a form field
*
* DEPRECATED as of version 1.7.2, use smiley_js instead
*
* @access public
* @param string form name
* @param string field name
* @return string
*/
if ( ! function_exists('js_insert_smiley'))
{
function js_insert_smiley($form_name = '', $form_field = '')
{
return <<<EOF
<script type="text/javascript">
function insert_smiley(smiley)
{
document.{$form_name}.{$form_field}.value += " " + smiley;
}
</script>
EOF;
}
}
/* End of file smiley_helper.php */
/* Location: ./system/helpers/smiley_helper.php */ | 069h-course-management | trunk/ci/system/helpers/smiley_helper.php | PHP | mit | 6,466 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Download Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/download_helper.html
*/
// ------------------------------------------------------------------------
/**
* Force Download
*
* Generates headers that force a download to happen
*
* @access public
* @param string filename
* @param mixed the data to be downloaded
* @return void
*/
if ( ! function_exists('force_download'))
{
function force_download($filename = '', $data = '')
{
if ($filename == '' OR $data == '')
{
return FALSE;
}
// Try to determine if the filename includes a file extension.
// We need it in order to set the MIME type
if (FALSE === strpos($filename, '.'))
{
return FALSE;
}
// Grab the file extension
$x = explode('.', $filename);
$extension = end($x);
// Load the mime types
if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php');
}
elseif (is_file(APPPATH.'config/mimes.php'))
{
include(APPPATH.'config/mimes.php');
}
// Set a default mime if we can't find it
if ( ! isset($mimes[$extension]))
{
$mime = 'application/octet-stream';
}
else
{
$mime = (is_array($mimes[$extension])) ? $mimes[$extension][0] : $mimes[$extension];
}
// Generate the server headers
if (strpos($_SERVER['HTTP_USER_AGENT'], "MSIE") !== FALSE)
{
header('Content-Type: "'.$mime.'"');
header('Content-Disposition: attachment; filename="'.$filename.'"');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header("Content-Transfer-Encoding: binary");
header('Pragma: public');
header("Content-Length: ".strlen($data));
}
else
{
header('Content-Type: "'.$mime.'"');
header('Content-Disposition: attachment; filename="'.$filename.'"');
header("Content-Transfer-Encoding: binary");
header('Expires: 0');
header('Pragma: no-cache');
header("Content-Length: ".strlen($data));
}
exit($data);
}
}
/* End of file download_helper.php */
/* Location: ./system/helpers/download_helper.php */ | 069h-course-management | trunk/ci/system/helpers/download_helper.php | PHP | mit | 2,747 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter XML Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/xml_helper.html
*/
// ------------------------------------------------------------------------
/**
* Convert Reserved XML characters to Entities
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('xml_convert'))
{
function xml_convert($str, $protect_all = FALSE)
{
$temp = '__TEMP_AMPERSANDS__';
// Replace entities to temporary markers so that
// ampersands won't get messed up
$str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);
if ($protect_all === TRUE)
{
$str = preg_replace("/&(\w+);/", "$temp\\1;", $str);
}
$str = str_replace(array("&","<",">","\"", "'", "-"),
array("&", "<", ">", """, "'", "-"),
$str);
// Decode the temp markers back to entities
$str = preg_replace("/$temp(\d+);/","&#\\1;",$str);
if ($protect_all === TRUE)
{
$str = preg_replace("/$temp(\w+);/","&\\1;", $str);
}
return $str;
}
}
// ------------------------------------------------------------------------
/* End of file xml_helper.php */
/* Location: ./system/helpers/xml_helper.php */ | 069h-course-management | trunk/ci/system/helpers/xml_helper.php | PHP | mit | 1,788 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Text Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/text_helper.html
*/
// ------------------------------------------------------------------------
/**
* Word Limiter
*
* Limits a string to X number of words.
*
* @access public
* @param string
* @param integer
* @param string the end character. Usually an ellipsis
* @return string
*/
if ( ! function_exists('word_limiter'))
{
function word_limiter($str, $limit = 100, $end_char = '…')
{
if (trim($str) == '')
{
return $str;
}
preg_match('/^\s*+(?:\S++\s*+){1,'.(int) $limit.'}/', $str, $matches);
if (strlen($str) == strlen($matches[0]))
{
$end_char = '';
}
return rtrim($matches[0]).$end_char;
}
}
// ------------------------------------------------------------------------
/**
* Character Limiter
*
* Limits the string based on the character count. Preserves complete words
* so the character count may not be exactly as specified.
*
* @access public
* @param string
* @param integer
* @param string the end character. Usually an ellipsis
* @return string
*/
if ( ! function_exists('character_limiter'))
{
function character_limiter($str, $n = 500, $end_char = '…')
{
if (strlen($str) < $n)
{
return $str;
}
$str = preg_replace("/\s+/", ' ', str_replace(array("\r\n", "\r", "\n"), ' ', $str));
if (strlen($str) <= $n)
{
return $str;
}
$out = "";
foreach (explode(' ', trim($str)) as $val)
{
$out .= $val.' ';
if (strlen($out) >= $n)
{
$out = trim($out);
return (strlen($out) == strlen($str)) ? $out : $out.$end_char;
}
}
}
}
// ------------------------------------------------------------------------
/**
* High ASCII to Entities
*
* Converts High ascii text and MS Word special characters to character entities
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('ascii_to_entities'))
{
function ascii_to_entities($str)
{
$count = 1;
$out = '';
$temp = array();
for ($i = 0, $s = strlen($str); $i < $s; $i++)
{
$ordinal = ord($str[$i]);
if ($ordinal < 128)
{
/*
If the $temp array has a value but we have moved on, then it seems only
fair that we output that entity and restart $temp before continuing. -Paul
*/
if (count($temp) == 1)
{
$out .= '&#'.array_shift($temp).';';
$count = 1;
}
$out .= $str[$i];
}
else
{
if (count($temp) == 0)
{
$count = ($ordinal < 224) ? 2 : 3;
}
$temp[] = $ordinal;
if (count($temp) == $count)
{
$number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64);
$out .= '&#'.$number.';';
$count = 1;
$temp = array();
}
}
}
return $out;
}
}
// ------------------------------------------------------------------------
/**
* Entities to ASCII
*
* Converts character entities back to ASCII
*
* @access public
* @param string
* @param bool
* @return string
*/
if ( ! function_exists('entities_to_ascii'))
{
function entities_to_ascii($str, $all = TRUE)
{
if (preg_match_all('/\&#(\d+)\;/', $str, $matches))
{
for ($i = 0, $s = count($matches['0']); $i < $s; $i++)
{
$digits = $matches['1'][$i];
$out = '';
if ($digits < 128)
{
$out .= chr($digits);
}
elseif ($digits < 2048)
{
$out .= chr(192 + (($digits - ($digits % 64)) / 64));
$out .= chr(128 + ($digits % 64));
}
else
{
$out .= chr(224 + (($digits - ($digits % 4096)) / 4096));
$out .= chr(128 + ((($digits % 4096) - ($digits % 64)) / 64));
$out .= chr(128 + ($digits % 64));
}
$str = str_replace($matches['0'][$i], $out, $str);
}
}
if ($all)
{
$str = str_replace(array("&", "<", ">", """, "'", "-"),
array("&","<",">","\"", "'", "-"),
$str);
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Word Censoring Function
*
* Supply a string and an array of disallowed words and any
* matched words will be converted to #### or to the replacement
* word you've submitted.
*
* @access public
* @param string the text string
* @param string the array of censoered words
* @param string the optional replacement value
* @return string
*/
if ( ! function_exists('word_censor'))
{
function word_censor($str, $censored, $replacement = '')
{
if ( ! is_array($censored))
{
return $str;
}
$str = ' '.$str.' ';
// \w, \b and a few others do not match on a unicode character
// set for performance reasons. As a result words like über
// will not match on a word boundary. Instead, we'll assume that
// a bad word will be bookeneded by any of these characters.
$delim = '[-_\'\"`(){}<>\[\]|!?@#%&,.:;^~*+=\/ 0-9\n\r\t]';
foreach ($censored as $badword)
{
if ($replacement != '')
{
$str = preg_replace("/({$delim})(".str_replace('\*', '\w*?', preg_quote($badword, '/')).")({$delim})/i", "\\1{$replacement}\\3", $str);
}
else
{
$str = preg_replace("/({$delim})(".str_replace('\*', '\w*?', preg_quote($badword, '/')).")({$delim})/ie", "'\\1'.str_repeat('#', strlen('\\2')).'\\3'", $str);
}
}
return trim($str);
}
}
// ------------------------------------------------------------------------
/**
* Code Highlighter
*
* Colorizes code strings
*
* @access public
* @param string the text string
* @return string
*/
if ( ! function_exists('highlight_code'))
{
function highlight_code($str)
{
// The highlight string function encodes and highlights
// brackets so we need them to start raw
$str = str_replace(array('<', '>'), array('<', '>'), $str);
// Replace any existing PHP tags to temporary markers so they don't accidentally
// break the string out of PHP, and thus, thwart the highlighting.
$str = str_replace(array('<?', '?>', '<%', '%>', '\\', '</script>'),
array('phptagopen', 'phptagclose', 'asptagopen', 'asptagclose', 'backslashtmp', 'scriptclose'), $str);
// The highlight_string function requires that the text be surrounded
// by PHP tags, which we will remove later
$str = '<?php '.$str.' ?>'; // <?
// All the magic happens here, baby!
$str = highlight_string($str, TRUE);
// Prior to PHP 5, the highligh function used icky <font> tags
// so we'll replace them with <span> tags.
if (abs(PHP_VERSION) < 5)
{
$str = str_replace(array('<font ', '</font>'), array('<span ', '</span>'), $str);
$str = preg_replace('#color="(.*?)"#', 'style="color: \\1"', $str);
}
// Remove our artificially added PHP, and the syntax highlighting that came with it
$str = preg_replace('/<span style="color: #([A-Z0-9]+)"><\?php( | )/i', '<span style="color: #$1">', $str);
$str = preg_replace('/(<span style="color: #[A-Z0-9]+">.*?)\?><\/span>\n<\/span>\n<\/code>/is', "$1</span>\n</span>\n</code>", $str);
$str = preg_replace('/<span style="color: #[A-Z0-9]+"\><\/span>/i', '', $str);
// Replace our markers back to PHP tags.
$str = str_replace(array('phptagopen', 'phptagclose', 'asptagopen', 'asptagclose', 'backslashtmp', 'scriptclose'),
array('<?', '?>', '<%', '%>', '\\', '</script>'), $str);
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Phrase Highlighter
*
* Highlights a phrase within a text string
*
* @access public
* @param string the text string
* @param string the phrase you'd like to highlight
* @param string the openging tag to precede the phrase with
* @param string the closing tag to end the phrase with
* @return string
*/
if ( ! function_exists('highlight_phrase'))
{
function highlight_phrase($str, $phrase, $tag_open = '<strong>', $tag_close = '</strong>')
{
if ($str == '')
{
return '';
}
if ($phrase != '')
{
return preg_replace('/('.preg_quote($phrase, '/').')/i', $tag_open."\\1".$tag_close, $str);
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Convert Accented Foreign Characters to ASCII
*
* @access public
* @param string the text string
* @return string
*/
if ( ! function_exists('convert_accented_characters'))
{
function convert_accented_characters($str)
{
if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars.php');
}
elseif (is_file(APPPATH.'config/foreign_chars.php'))
{
include(APPPATH.'config/foreign_chars.php');
}
if ( ! isset($foreign_characters))
{
return $str;
}
return preg_replace(array_keys($foreign_characters), array_values($foreign_characters), $str);
}
}
// ------------------------------------------------------------------------
/**
* Word Wrap
*
* Wraps text at the specified character. Maintains the integrity of words.
* Anything placed between {unwrap}{/unwrap} will not be word wrapped, nor
* will URLs.
*
* @access public
* @param string the text string
* @param integer the number of characters to wrap at
* @return string
*/
if ( ! function_exists('word_wrap'))
{
function word_wrap($str, $charlim = '76')
{
// Se the character limit
if ( ! is_numeric($charlim))
$charlim = 76;
// Reduce multiple spaces
$str = preg_replace("| +|", " ", $str);
// Standardize newlines
if (strpos($str, "\r") !== FALSE)
{
$str = str_replace(array("\r\n", "\r"), "\n", $str);
}
// If the current word is surrounded by {unwrap} tags we'll
// strip the entire chunk and replace it with a marker.
$unwrap = array();
if (preg_match_all("|(\{unwrap\}.+?\{/unwrap\})|s", $str, $matches))
{
for ($i = 0; $i < count($matches['0']); $i++)
{
$unwrap[] = $matches['1'][$i];
$str = str_replace($matches['1'][$i], "{{unwrapped".$i."}}", $str);
}
}
// Use PHP's native function to do the initial wordwrap.
// We set the cut flag to FALSE so that any individual words that are
// too long get left alone. In the next step we'll deal with them.
$str = wordwrap($str, $charlim, "\n", FALSE);
// Split the string into individual lines of text and cycle through them
$output = "";
foreach (explode("\n", $str) as $line)
{
// Is the line within the allowed character count?
// If so we'll join it to the output and continue
if (strlen($line) <= $charlim)
{
$output .= $line."\n";
continue;
}
$temp = '';
while ((strlen($line)) > $charlim)
{
// If the over-length word is a URL we won't wrap it
if (preg_match("!\[url.+\]|://|wwww.!", $line))
{
break;
}
// Trim the word down
$temp .= substr($line, 0, $charlim-1);
$line = substr($line, $charlim-1);
}
// If $temp contains data it means we had to split up an over-length
// word into smaller chunks so we'll add it back to our current line
if ($temp != '')
{
$output .= $temp."\n".$line;
}
else
{
$output .= $line;
}
$output .= "\n";
}
// Put our markers back
if (count($unwrap) > 0)
{
foreach ($unwrap as $key => $val)
{
$output = str_replace("{{unwrapped".$key."}}", $val, $output);
}
}
// Remove the unwrap tags
$output = str_replace(array('{unwrap}', '{/unwrap}'), '', $output);
return $output;
}
}
// ------------------------------------------------------------------------
/**
* Ellipsize String
*
* This function will strip tags from a string, split it at its max_length and ellipsize
*
* @param string string to ellipsize
* @param integer max length of string
* @param mixed int (1|0) or float, .5, .2, etc for position to split
* @param string ellipsis ; Default '...'
* @return string ellipsized string
*/
if ( ! function_exists('ellipsize'))
{
function ellipsize($str, $max_length, $position = 1, $ellipsis = '…')
{
// Strip tags
$str = trim(strip_tags($str));
// Is the string long enough to ellipsize?
if (strlen($str) <= $max_length)
{
return $str;
}
$beg = substr($str, 0, floor($max_length * $position));
$position = ($position > 1) ? 1 : $position;
if ($position === 1)
{
$end = substr($str, 0, -($max_length - strlen($beg)));
}
else
{
$end = substr($str, -($max_length - strlen($beg)));
}
return $beg.$ellipsis.$end;
}
}
/* End of file text_helper.php */
/* Location: ./system/helpers/text_helper.php */ | 069h-course-management | trunk/ci/system/helpers/text_helper.php | PHP | mit | 13,134 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter CAPTCHA Helper
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/xml_helper.html
*/
// ------------------------------------------------------------------------
/**
* Create CAPTCHA
*
* @access public
* @param array array of data for the CAPTCHA
* @param string path to create the image in
* @param string URL to the CAPTCHA image folder
* @param string server path to font
* @return string
*/
if ( ! function_exists('create_captcha'))
{
function create_captcha($data = '', $img_path = '', $img_url = '', $font_path = '')
{
$defaults = array('word' => '', 'img_path' => '', 'img_url' => '', 'img_width' => '150', 'img_height' => '30', 'font_path' => '', 'expiration' => 7200);
foreach ($defaults as $key => $val)
{
if ( ! is_array($data))
{
if ( ! isset($$key) OR $$key == '')
{
$$key = $val;
}
}
else
{
$$key = ( ! isset($data[$key])) ? $val : $data[$key];
}
}
if ($img_path == '' OR $img_url == '')
{
return FALSE;
}
if ( ! @is_dir($img_path))
{
return FALSE;
}
if ( ! is_writable($img_path))
{
return FALSE;
}
if ( ! extension_loaded('gd'))
{
return FALSE;
}
// -----------------------------------
// Remove old images
// -----------------------------------
list($usec, $sec) = explode(" ", microtime());
$now = ((float)$usec + (float)$sec);
$current_dir = @opendir($img_path);
while ($filename = @readdir($current_dir))
{
if ($filename != "." and $filename != ".." and $filename != "index.html")
{
$name = str_replace(".jpg", "", $filename);
if (($name + $expiration) < $now)
{
@unlink($img_path.$filename);
}
}
}
@closedir($current_dir);
// -----------------------------------
// Do we have a "word" yet?
// -----------------------------------
if ($word == '')
{
$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$str = '';
for ($i = 0; $i < 8; $i++)
{
$str .= substr($pool, mt_rand(0, strlen($pool) -1), 1);
}
$word = $str;
}
// -----------------------------------
// Determine angle and position
// -----------------------------------
$length = strlen($word);
$angle = ($length >= 6) ? rand(-($length-6), ($length-6)) : 0;
$x_axis = rand(6, (360/$length)-16);
$y_axis = ($angle >= 0 ) ? rand($img_height, $img_width) : rand(6, $img_height);
// -----------------------------------
// Create image
// -----------------------------------
// PHP.net recommends imagecreatetruecolor(), but it isn't always available
if (function_exists('imagecreatetruecolor'))
{
$im = imagecreatetruecolor($img_width, $img_height);
}
else
{
$im = imagecreate($img_width, $img_height);
}
// -----------------------------------
// Assign colors
// -----------------------------------
$bg_color = imagecolorallocate ($im, 255, 255, 255);
$border_color = imagecolorallocate ($im, 153, 102, 102);
$text_color = imagecolorallocate ($im, 204, 153, 153);
$grid_color = imagecolorallocate($im, 255, 182, 182);
$shadow_color = imagecolorallocate($im, 255, 240, 240);
// -----------------------------------
// Create the rectangle
// -----------------------------------
ImageFilledRectangle($im, 0, 0, $img_width, $img_height, $bg_color);
// -----------------------------------
// Create the spiral pattern
// -----------------------------------
$theta = 1;
$thetac = 7;
$radius = 16;
$circles = 20;
$points = 32;
for ($i = 0; $i < ($circles * $points) - 1; $i++)
{
$theta = $theta + $thetac;
$rad = $radius * ($i / $points );
$x = ($rad * cos($theta)) + $x_axis;
$y = ($rad * sin($theta)) + $y_axis;
$theta = $theta + $thetac;
$rad1 = $radius * (($i + 1) / $points);
$x1 = ($rad1 * cos($theta)) + $x_axis;
$y1 = ($rad1 * sin($theta )) + $y_axis;
imageline($im, $x, $y, $x1, $y1, $grid_color);
$theta = $theta - $thetac;
}
// -----------------------------------
// Write the text
// -----------------------------------
$use_font = ($font_path != '' AND file_exists($font_path) AND function_exists('imagettftext')) ? TRUE : FALSE;
if ($use_font == FALSE)
{
$font_size = 5;
$x = rand(0, $img_width/($length/3));
$y = 0;
}
else
{
$font_size = 16;
$x = rand(0, $img_width/($length/1.5));
$y = $font_size+2;
}
for ($i = 0; $i < strlen($word); $i++)
{
if ($use_font == FALSE)
{
$y = rand(0 , $img_height/2);
imagestring($im, $font_size, $x, $y, substr($word, $i, 1), $text_color);
$x += ($font_size*2);
}
else
{
$y = rand($img_height/2, $img_height-3);
imagettftext($im, $font_size, $angle, $x, $y, $text_color, $font_path, substr($word, $i, 1));
$x += $font_size;
}
}
// -----------------------------------
// Create the border
// -----------------------------------
imagerectangle($im, 0, 0, $img_width-1, $img_height-1, $border_color);
// -----------------------------------
// Generate the image
// -----------------------------------
$img_name = $now.'.jpg';
ImageJPEG($im, $img_path.$img_name);
$img = "<img src=\"$img_url$img_name\" width=\"$img_width\" height=\"$img_height\" style=\"border:0;\" alt=\" \" />";
ImageDestroy($im);
return array('word' => $word, 'time' => $now, 'image' => $img);
}
}
// ------------------------------------------------------------------------
/* End of file captcha_helper.php */
/* Location: ./system/heleprs/captcha_helper.php */ | 069h-course-management | trunk/ci/system/helpers/captcha_helper.php | PHP | mit | 6,169 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/database/index.html | HTML | mit | 114 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Database Cache Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_Cache {
var $CI;
var $db; // allows passing of db object so that multiple database connections and returned db objects can be supported
/**
* Constructor
*
* Grabs the CI super object instance so we can access it.
*
*/
function __construct(&$db)
{
// Assign the main CI object to $this->CI
// and load the file helper since we use it a lot
$this->CI =& get_instance();
$this->db =& $db;
$this->CI->load->helper('file');
}
// --------------------------------------------------------------------
/**
* Set Cache Directory Path
*
* @access public
* @param string the path to the cache directory
* @return bool
*/
function check_path($path = '')
{
if ($path == '')
{
if ($this->db->cachedir == '')
{
return $this->db->cache_off();
}
$path = $this->db->cachedir;
}
// Add a trailing slash to the path if needed
$path = preg_replace("/(.+?)\/*$/", "\\1/", $path);
if ( ! is_dir($path) OR ! is_really_writable($path))
{
// If the path is wrong we'll turn off caching
return $this->db->cache_off();
}
$this->db->cachedir = $path;
return TRUE;
}
// --------------------------------------------------------------------
/**
* Retrieve a cached query
*
* The URI being requested will become the name of the cache sub-folder.
* An MD5 hash of the SQL statement will become the cache file name
*
* @access public
* @return string
*/
function read($sql)
{
if ( ! $this->check_path())
{
return $this->db->cache_off();
}
$segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
$segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
$filepath = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'.md5($sql);
if (FALSE === ($cachedata = read_file($filepath)))
{
return FALSE;
}
return unserialize($cachedata);
}
// --------------------------------------------------------------------
/**
* Write a query to a cache file
*
* @access public
* @return bool
*/
function write($sql, $object)
{
if ( ! $this->check_path())
{
return $this->db->cache_off();
}
$segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
$segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
$dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
$filename = md5($sql);
if ( ! @is_dir($dir_path))
{
if ( ! @mkdir($dir_path, DIR_WRITE_MODE))
{
return FALSE;
}
@chmod($dir_path, DIR_WRITE_MODE);
}
if (write_file($dir_path.$filename, serialize($object)) === FALSE)
{
return FALSE;
}
@chmod($dir_path.$filename, FILE_WRITE_MODE);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Delete cache files within a particular directory
*
* @access public
* @return bool
*/
function delete($segment_one = '', $segment_two = '')
{
if ($segment_one == '')
{
$segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
}
if ($segment_two == '')
{
$segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
}
$dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
delete_files($dir_path, TRUE);
}
// --------------------------------------------------------------------
/**
* Delete all existing cache files
*
* @access public
* @return bool
*/
function delete_all()
{
delete_files($this->db->cachedir, TRUE);
}
}
/* End of file DB_cache.php */
/* Location: ./system/database/DB_cache.php */ | 069h-course-management | trunk/ci/system/database/DB_cache.php | PHP | mit | 4,378 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* Code Igniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Database Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_utility extends CI_DB_forge {
var $db;
var $data_cache = array();
/**
* Constructor
*
* Grabs the CI super object instance so we can access it.
*
*/
function __construct()
{
// Assign the main database object to $this->db
$CI =& get_instance();
$this->db =& $CI->db;
log_message('debug', "Database Utility Class Initialized");
}
// --------------------------------------------------------------------
/**
* List databases
*
* @access public
* @return bool
*/
function list_databases()
{
// Is there a cached result?
if (isset($this->data_cache['db_names']))
{
return $this->data_cache['db_names'];
}
$query = $this->db->query($this->_list_databases());
$dbs = array();
if ($query->num_rows() > 0)
{
foreach ($query->result_array() as $row)
{
$dbs[] = current($row);
}
}
$this->data_cache['db_names'] = $dbs;
return $this->data_cache['db_names'];
}
// --------------------------------------------------------------------
/**
* Determine if a particular database exists
*
* @access public
* @param string
* @return boolean
*/
function database_exists($database_name)
{
// Some databases won't have access to the list_databases() function, so
// this is intended to allow them to override with their own functions as
// defined in $driver_utility.php
if (method_exists($this, '_database_exists'))
{
return $this->_database_exists($database_name);
}
else
{
return ( ! in_array($database_name, $this->list_databases())) ? FALSE : TRUE;
}
}
// --------------------------------------------------------------------
/**
* Optimize Table
*
* @access public
* @param string the table name
* @return bool
*/
function optimize_table($table_name)
{
$sql = $this->_optimize_table($table_name);
if (is_bool($sql))
{
show_error('db_must_use_set');
}
$query = $this->db->query($sql);
$res = $query->result_array();
// Note: Due to a bug in current() that affects some versions
// of PHP we can not pass function call directly into it
return current($res);
}
// --------------------------------------------------------------------
/**
* Optimize Database
*
* @access public
* @return array
*/
function optimize_database()
{
$result = array();
foreach ($this->db->list_tables() as $table_name)
{
$sql = $this->_optimize_table($table_name);
if (is_bool($sql))
{
return $sql;
}
$query = $this->db->query($sql);
// Build the result array...
// Note: Due to a bug in current() that affects some versions
// of PHP we can not pass function call directly into it
$res = $query->result_array();
$res = current($res);
$key = str_replace($this->db->database.'.', '', current($res));
$keys = array_keys($res);
unset($res[$keys[0]]);
$result[$key] = $res;
}
return $result;
}
// --------------------------------------------------------------------
/**
* Repair Table
*
* @access public
* @param string the table name
* @return bool
*/
function repair_table($table_name)
{
$sql = $this->_repair_table($table_name);
if (is_bool($sql))
{
return $sql;
}
$query = $this->db->query($sql);
// Note: Due to a bug in current() that affects some versions
// of PHP we can not pass function call directly into it
$res = $query->result_array();
return current($res);
}
// --------------------------------------------------------------------
/**
* Generate CSV from a query result object
*
* @access public
* @param object The query result object
* @param string The delimiter - comma by default
* @param string The newline character - \n by default
* @param string The enclosure - double quote by default
* @return string
*/
function csv_from_result($query, $delim = ",", $newline = "\n", $enclosure = '"')
{
if ( ! is_object($query) OR ! method_exists($query, 'list_fields'))
{
show_error('You must submit a valid result object');
}
$out = '';
// First generate the headings from the table column names
foreach ($query->list_fields() as $name)
{
$out .= $enclosure.str_replace($enclosure, $enclosure.$enclosure, $name).$enclosure.$delim;
}
$out = rtrim($out);
$out .= $newline;
// Next blast through the result array and build out the rows
foreach ($query->result_array() as $row)
{
foreach ($row as $item)
{
$out .= $enclosure.str_replace($enclosure, $enclosure.$enclosure, $item).$enclosure.$delim;
}
$out = rtrim($out);
$out .= $newline;
}
return $out;
}
// --------------------------------------------------------------------
/**
* Generate XML data from a query result object
*
* @access public
* @param object The query result object
* @param array Any preferences
* @return string
*/
function xml_from_result($query, $params = array())
{
if ( ! is_object($query) OR ! method_exists($query, 'list_fields'))
{
show_error('You must submit a valid result object');
}
// Set our default values
foreach (array('root' => 'root', 'element' => 'element', 'newline' => "\n", 'tab' => "\t") as $key => $val)
{
if ( ! isset($params[$key]))
{
$params[$key] = $val;
}
}
// Create variables for convenience
extract($params);
// Load the xml helper
$CI =& get_instance();
$CI->load->helper('xml');
// Generate the result
$xml = "<{$root}>".$newline;
foreach ($query->result_array() as $row)
{
$xml .= $tab."<{$element}>".$newline;
foreach ($row as $key => $val)
{
$xml .= $tab.$tab."<{$key}>".xml_convert($val)."</{$key}>".$newline;
}
$xml .= $tab."</{$element}>".$newline;
}
$xml .= "</$root>".$newline;
return $xml;
}
// --------------------------------------------------------------------
/**
* Database Backup
*
* @access public
* @return void
*/
function backup($params = array())
{
// If the parameters have not been submitted as an
// array then we know that it is simply the table
// name, which is a valid short cut.
if (is_string($params))
{
$params = array('tables' => $params);
}
// ------------------------------------------------------
// Set up our default preferences
$prefs = array(
'tables' => array(),
'ignore' => array(),
'filename' => '',
'format' => 'gzip', // gzip, zip, txt
'add_drop' => TRUE,
'add_insert' => TRUE,
'newline' => "\n"
);
// Did the user submit any preferences? If so set them....
if (count($params) > 0)
{
foreach ($prefs as $key => $val)
{
if (isset($params[$key]))
{
$prefs[$key] = $params[$key];
}
}
}
// ------------------------------------------------------
// Are we backing up a complete database or individual tables?
// If no table names were submitted we'll fetch the entire table list
if (count($prefs['tables']) == 0)
{
$prefs['tables'] = $this->db->list_tables();
}
// ------------------------------------------------------
// Validate the format
if ( ! in_array($prefs['format'], array('gzip', 'zip', 'txt'), TRUE))
{
$prefs['format'] = 'txt';
}
// ------------------------------------------------------
// Is the encoder supported? If not, we'll either issue an
// error or use plain text depending on the debug settings
if (($prefs['format'] == 'gzip' AND ! @function_exists('gzencode'))
OR ($prefs['format'] == 'zip' AND ! @function_exists('gzcompress')))
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_compression');
}
$prefs['format'] = 'txt';
}
// ------------------------------------------------------
// Set the filename if not provided - Only needed with Zip files
if ($prefs['filename'] == '' AND $prefs['format'] == 'zip')
{
$prefs['filename'] = (count($prefs['tables']) == 1) ? $prefs['tables'] : $this->db->database;
$prefs['filename'] .= '_'.date('Y-m-d_H-i', time());
}
// ------------------------------------------------------
// Was a Gzip file requested?
if ($prefs['format'] == 'gzip')
{
return gzencode($this->_backup($prefs));
}
// ------------------------------------------------------
// Was a text file requested?
if ($prefs['format'] == 'txt')
{
return $this->_backup($prefs);
}
// ------------------------------------------------------
// Was a Zip file requested?
if ($prefs['format'] == 'zip')
{
// If they included the .zip file extension we'll remove it
if (preg_match("|.+?\.zip$|", $prefs['filename']))
{
$prefs['filename'] = str_replace('.zip', '', $prefs['filename']);
}
// Tack on the ".sql" file extension if needed
if ( ! preg_match("|.+?\.sql$|", $prefs['filename']))
{
$prefs['filename'] .= '.sql';
}
// Load the Zip class and output it
$CI =& get_instance();
$CI->load->library('zip');
$CI->zip->add_data($prefs['filename'], $this->_backup($prefs));
return $CI->zip->get_zip();
}
}
}
/* End of file DB_utility.php */
/* Location: ./system/database/DB_utility.php */ | 069h-course-management | trunk/ci/system/database/DB_utility.php | PHP | mit | 9,805 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* Code Igniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Database Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_forge {
var $fields = array();
var $keys = array();
var $primary_keys = array();
var $db_char_set = '';
/**
* Constructor
*
* Grabs the CI super object instance so we can access it.
*
*/
function __construct()
{
// Assign the main database object to $this->db
$CI =& get_instance();
$this->db =& $CI->db;
log_message('debug', "Database Forge Class Initialized");
}
// --------------------------------------------------------------------
/**
* Create database
*
* @access public
* @param string the database name
* @return bool
*/
function create_database($db_name)
{
$sql = $this->_create_database($db_name);
if (is_bool($sql))
{
return $sql;
}
return $this->db->query($sql);
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access public
* @param string the database name
* @return bool
*/
function drop_database($db_name)
{
$sql = $this->_drop_database($db_name);
if (is_bool($sql))
{
return $sql;
}
return $this->db->query($sql);
}
// --------------------------------------------------------------------
/**
* Add Key
*
* @access public
* @param string key
* @param string type
* @return void
*/
function add_key($key = '', $primary = FALSE)
{
if (is_array($key))
{
foreach ($key as $one)
{
$this->add_key($one, $primary);
}
return;
}
if ($key == '')
{
show_error('Key information is required for that operation.');
}
if ($primary === TRUE)
{
$this->primary_keys[] = $key;
}
else
{
$this->keys[] = $key;
}
}
// --------------------------------------------------------------------
/**
* Add Field
*
* @access public
* @param string collation
* @return void
*/
function add_field($field = '')
{
if ($field == '')
{
show_error('Field information is required.');
}
if (is_string($field))
{
if ($field == 'id')
{
$this->add_field(array(
'id' => array(
'type' => 'INT',
'constraint' => 9,
'auto_increment' => TRUE
)
));
$this->add_key('id', TRUE);
}
else
{
if (strpos($field, ' ') === FALSE)
{
show_error('Field information is required for that operation.');
}
$this->fields[] = $field;
}
}
if (is_array($field))
{
$this->fields = array_merge($this->fields, $field);
}
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access public
* @param string the table name
* @return bool
*/
function create_table($table = '', $if_not_exists = FALSE)
{
if ($table == '')
{
show_error('A table name is required for that operation.');
}
if (count($this->fields) == 0)
{
show_error('Field information is required.');
}
$sql = $this->_create_table($this->db->dbprefix.$table, $this->fields, $this->primary_keys, $this->keys, $if_not_exists);
$this->_reset();
return $this->db->query($sql);
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access public
* @param string the table name
* @return bool
*/
function drop_table($table_name)
{
$sql = $this->_drop_table($this->db->dbprefix.$table_name);
if (is_bool($sql))
{
return $sql;
}
return $this->db->query($sql);
}
// --------------------------------------------------------------------
/**
* Rename Table
*
* @access public
* @param string the old table name
* @param string the new table name
* @return bool
*/
function rename_table($table_name, $new_table_name)
{
if ($table_name == '' OR $new_table_name == '')
{
show_error('A table name is required for that operation.');
}
$sql = $this->_rename_table($this->db->dbprefix.$table_name, $this->db->dbprefix.$new_table_name);
return $this->db->query($sql);
}
// --------------------------------------------------------------------
/**
* Column Add
*
* @access public
* @param string the table name
* @param string the column name
* @param string the column definition
* @return bool
*/
function add_column($table = '', $field = array(), $after_field = '')
{
if ($table == '')
{
show_error('A table name is required for that operation.');
}
// add field info into field array, but we can only do one at a time
// so we cycle through
foreach ($field as $k => $v)
{
$this->add_field(array($k => $field[$k]));
if (count($this->fields) == 0)
{
show_error('Field information is required.');
}
$sql = $this->_alter_table('ADD', $this->db->dbprefix.$table, $this->fields, $after_field);
$this->_reset();
if ($this->db->query($sql) === FALSE)
{
return FALSE;
}
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Column Drop
*
* @access public
* @param string the table name
* @param string the column name
* @return bool
*/
function drop_column($table = '', $column_name = '')
{
if ($table == '')
{
show_error('A table name is required for that operation.');
}
if ($column_name == '')
{
show_error('A column name is required for that operation.');
}
$sql = $this->_alter_table('DROP', $this->db->dbprefix.$table, $column_name);
return $this->db->query($sql);
}
// --------------------------------------------------------------------
/**
* Column Modify
*
* @access public
* @param string the table name
* @param string the column name
* @param string the column definition
* @return bool
*/
function modify_column($table = '', $field = array())
{
if ($table == '')
{
show_error('A table name is required for that operation.');
}
// add field info into field array, but we can only do one at a time
// so we cycle through
foreach ($field as $k => $v)
{
// If no name provided, use the current name
if ( ! isset($field[$k]['name']))
{
$field[$k]['name'] = $k;
}
$this->add_field(array($k => $field[$k]));
if (count($this->fields) == 0)
{
show_error('Field information is required.');
}
$sql = $this->_alter_table('CHANGE', $this->db->dbprefix.$table, $this->fields);
$this->_reset();
if ($this->db->query($sql) === FALSE)
{
return FALSE;
}
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Reset
*
* Resets table creation vars
*
* @access private
* @return void
*/
function _reset()
{
$this->fields = array();
$this->keys = array();
$this->primary_keys = array();
}
}
/* End of file DB_forge.php */
/* Location: ./system/database/DB_forge.php */ | 069h-course-management | trunk/ci/system/database/DB_forge.php | PHP | mit | 7,447 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Active Record Class
*
* This is the platform-independent base Active Record implementation class.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_active_record extends CI_DB_driver {
var $ar_select = array();
var $ar_distinct = FALSE;
var $ar_from = array();
var $ar_join = array();
var $ar_where = array();
var $ar_like = array();
var $ar_groupby = array();
var $ar_having = array();
var $ar_keys = array();
var $ar_limit = FALSE;
var $ar_offset = FALSE;
var $ar_order = FALSE;
var $ar_orderby = array();
var $ar_set = array();
var $ar_wherein = array();
var $ar_aliased_tables = array();
var $ar_store_array = array();
// Active Record Caching variables
var $ar_caching = FALSE;
var $ar_cache_exists = array();
var $ar_cache_select = array();
var $ar_cache_from = array();
var $ar_cache_join = array();
var $ar_cache_where = array();
var $ar_cache_like = array();
var $ar_cache_groupby = array();
var $ar_cache_having = array();
var $ar_cache_orderby = array();
var $ar_cache_set = array();
var $ar_no_escape = array();
var $ar_cache_no_escape = array();
// --------------------------------------------------------------------
/**
* Select
*
* Generates the SELECT portion of the query
*
* @param string
* @return object
*/
public function select($select = '*', $escape = NULL)
{
if (is_string($select))
{
$select = explode(',', $select);
}
foreach ($select as $val)
{
$val = trim($val);
if ($val != '')
{
$this->ar_select[] = $val;
$this->ar_no_escape[] = $escape;
if ($this->ar_caching === TRUE)
{
$this->ar_cache_select[] = $val;
$this->ar_cache_exists[] = 'select';
$this->ar_cache_no_escape[] = $escape;
}
}
}
return $this;
}
// --------------------------------------------------------------------
/**
* Select Max
*
* Generates a SELECT MAX(field) portion of a query
*
* @param string the field
* @param string an alias
* @return object
*/
public function select_max($select = '', $alias = '')
{
return $this->_max_min_avg_sum($select, $alias, 'MAX');
}
// --------------------------------------------------------------------
/**
* Select Min
*
* Generates a SELECT MIN(field) portion of a query
*
* @param string the field
* @param string an alias
* @return object
*/
public function select_min($select = '', $alias = '')
{
return $this->_max_min_avg_sum($select, $alias, 'MIN');
}
// --------------------------------------------------------------------
/**
* Select Average
*
* Generates a SELECT AVG(field) portion of a query
*
* @param string the field
* @param string an alias
* @return object
*/
public function select_avg($select = '', $alias = '')
{
return $this->_max_min_avg_sum($select, $alias, 'AVG');
}
// --------------------------------------------------------------------
/**
* Select Sum
*
* Generates a SELECT SUM(field) portion of a query
*
* @param string the field
* @param string an alias
* @return object
*/
public function select_sum($select = '', $alias = '')
{
return $this->_max_min_avg_sum($select, $alias, 'SUM');
}
// --------------------------------------------------------------------
/**
* Processing Function for the four functions above:
*
* select_max()
* select_min()
* select_avg()
* select_sum()
*
* @param string the field
* @param string an alias
* @return object
*/
protected function _max_min_avg_sum($select = '', $alias = '', $type = 'MAX')
{
if ( ! is_string($select) OR $select == '')
{
$this->display_error('db_invalid_query');
}
$type = strtoupper($type);
if ( ! in_array($type, array('MAX', 'MIN', 'AVG', 'SUM')))
{
show_error('Invalid function type: '.$type);
}
if ($alias == '')
{
$alias = $this->_create_alias_from_table(trim($select));
}
$sql = $type.'('.$this->_protect_identifiers(trim($select)).') AS '.$alias;
$this->ar_select[] = $sql;
if ($this->ar_caching === TRUE)
{
$this->ar_cache_select[] = $sql;
$this->ar_cache_exists[] = 'select';
}
return $this;
}
// --------------------------------------------------------------------
/**
* Determines the alias name based on the table
*
* @param string
* @return string
*/
protected function _create_alias_from_table($item)
{
if (strpos($item, '.') !== FALSE)
{
return end(explode('.', $item));
}
return $item;
}
// --------------------------------------------------------------------
/**
* DISTINCT
*
* Sets a flag which tells the query string compiler to add DISTINCT
*
* @param bool
* @return object
*/
public function distinct($val = TRUE)
{
$this->ar_distinct = (is_bool($val)) ? $val : TRUE;
return $this;
}
// --------------------------------------------------------------------
/**
* From
*
* Generates the FROM portion of the query
*
* @param mixed can be a string or array
* @return object
*/
public function from($from)
{
foreach ((array) $from as $val)
{
if (strpos($val, ',') !== FALSE)
{
foreach (explode(',', $val) as $v)
{
$v = trim($v);
$this->_track_aliases($v);
$this->ar_from[] = $this->_protect_identifiers($v, TRUE, NULL, FALSE);
if ($this->ar_caching === TRUE)
{
$this->ar_cache_from[] = $this->_protect_identifiers($v, TRUE, NULL, FALSE);
$this->ar_cache_exists[] = 'from';
}
}
}
else
{
$val = trim($val);
// Extract any aliases that might exist. We use this information
// in the _protect_identifiers to know whether to add a table prefix
$this->_track_aliases($val);
$this->ar_from[] = $this->_protect_identifiers($val, TRUE, NULL, FALSE);
if ($this->ar_caching === TRUE)
{
$this->ar_cache_from[] = $this->_protect_identifiers($val, TRUE, NULL, FALSE);
$this->ar_cache_exists[] = 'from';
}
}
}
return $this;
}
// --------------------------------------------------------------------
/**
* Join
*
* Generates the JOIN portion of the query
*
* @param string
* @param string the join condition
* @param string the type of join
* @return object
*/
public function join($table, $cond, $type = '')
{
if ($type != '')
{
$type = strtoupper(trim($type));
if ( ! in_array($type, array('LEFT', 'RIGHT', 'OUTER', 'INNER', 'LEFT OUTER', 'RIGHT OUTER')))
{
$type = '';
}
else
{
$type .= ' ';
}
}
// Extract any aliases that might exist. We use this information
// in the _protect_identifiers to know whether to add a table prefix
$this->_track_aliases($table);
// Strip apart the condition and protect the identifiers
if (preg_match('/([\w\.]+)([\W\s]+)(.+)/', $cond, $match))
{
$match[1] = $this->_protect_identifiers($match[1]);
$match[3] = $this->_protect_identifiers($match[3]);
$cond = $match[1].$match[2].$match[3];
}
// Assemble the JOIN statement
$join = $type.'JOIN '.$this->_protect_identifiers($table, TRUE, NULL, FALSE).' ON '.$cond;
$this->ar_join[] = $join;
if ($this->ar_caching === TRUE)
{
$this->ar_cache_join[] = $join;
$this->ar_cache_exists[] = 'join';
}
return $this;
}
// --------------------------------------------------------------------
/**
* Where
*
* Generates the WHERE portion of the query. Separates
* multiple calls with AND
*
* @param mixed
* @param mixed
* @return object
*/
public function where($key, $value = NULL, $escape = TRUE)
{
return $this->_where($key, $value, 'AND ', $escape);
}
// --------------------------------------------------------------------
/**
* OR Where
*
* Generates the WHERE portion of the query. Separates
* multiple calls with OR
*
* @param mixed
* @param mixed
* @return object
*/
public function or_where($key, $value = NULL, $escape = TRUE)
{
return $this->_where($key, $value, 'OR ', $escape);
}
// --------------------------------------------------------------------
/**
* Where
*
* Called by where() or or_where()
*
* @param mixed
* @param mixed
* @param string
* @return object
*/
protected function _where($key, $value = NULL, $type = 'AND ', $escape = NULL)
{
if ( ! is_array($key))
{
$key = array($key => $value);
}
// If the escape value was not set will will base it on the global setting
if ( ! is_bool($escape))
{
$escape = $this->_protect_identifiers;
}
foreach ($key as $k => $v)
{
$prefix = (count($this->ar_where) == 0 AND count($this->ar_cache_where) == 0) ? '' : $type;
if (is_null($v) && ! $this->_has_operator($k))
{
// value appears not to have been set, assign the test to IS NULL
$k .= ' IS NULL';
}
if ( ! is_null($v))
{
if ($escape === TRUE)
{
$k = $this->_protect_identifiers($k, FALSE, $escape);
$v = ' '.$this->escape($v);
}
if ( ! $this->_has_operator($k))
{
$k .= ' = ';
}
}
else
{
$k = $this->_protect_identifiers($k, FALSE, $escape);
}
$this->ar_where[] = $prefix.$k.$v;
if ($this->ar_caching === TRUE)
{
$this->ar_cache_where[] = $prefix.$k.$v;
$this->ar_cache_exists[] = 'where';
}
}
return $this;
}
// --------------------------------------------------------------------
/**
* Where_in
*
* Generates a WHERE field IN ('item', 'item') SQL query joined with
* AND if appropriate
*
* @param string The field to search
* @param array The values searched on
* @return object
*/
public function where_in($key = NULL, $values = NULL)
{
return $this->_where_in($key, $values);
}
// --------------------------------------------------------------------
/**
* Where_in_or
*
* Generates a WHERE field IN ('item', 'item') SQL query joined with
* OR if appropriate
*
* @param string The field to search
* @param array The values searched on
* @return object
*/
public function or_where_in($key = NULL, $values = NULL)
{
return $this->_where_in($key, $values, FALSE, 'OR ');
}
// --------------------------------------------------------------------
/**
* Where_not_in
*
* Generates a WHERE field NOT IN ('item', 'item') SQL query joined
* with AND if appropriate
*
* @param string The field to search
* @param array The values searched on
* @return object
*/
public function where_not_in($key = NULL, $values = NULL)
{
return $this->_where_in($key, $values, TRUE);
}
// --------------------------------------------------------------------
/**
* Where_not_in_or
*
* Generates a WHERE field NOT IN ('item', 'item') SQL query joined
* with OR if appropriate
*
* @param string The field to search
* @param array The values searched on
* @return object
*/
public function or_where_not_in($key = NULL, $values = NULL)
{
return $this->_where_in($key, $values, TRUE, 'OR ');
}
// --------------------------------------------------------------------
/**
* Where_in
*
* Called by where_in, where_in_or, where_not_in, where_not_in_or
*
* @param string The field to search
* @param array The values searched on
* @param boolean If the statement would be IN or NOT IN
* @param string
* @return object
*/
protected function _where_in($key = NULL, $values = NULL, $not = FALSE, $type = 'AND ')
{
if ($key === NULL OR $values === NULL)
{
return;
}
if ( ! is_array($values))
{
$values = array($values);
}
$not = ($not) ? ' NOT' : '';
foreach ($values as $value)
{
$this->ar_wherein[] = $this->escape($value);
}
$prefix = (count($this->ar_where) == 0) ? '' : $type;
$where_in = $prefix . $this->_protect_identifiers($key) . $not . " IN (" . implode(", ", $this->ar_wherein) . ") ";
$this->ar_where[] = $where_in;
if ($this->ar_caching === TRUE)
{
$this->ar_cache_where[] = $where_in;
$this->ar_cache_exists[] = 'where';
}
// reset the array for multiple calls
$this->ar_wherein = array();
return $this;
}
// --------------------------------------------------------------------
/**
* Like
*
* Generates a %LIKE% portion of the query. Separates
* multiple calls with AND
*
* @param mixed
* @param mixed
* @return object
*/
public function like($field, $match = '', $side = 'both')
{
return $this->_like($field, $match, 'AND ', $side);
}
// --------------------------------------------------------------------
/**
* Not Like
*
* Generates a NOT LIKE portion of the query. Separates
* multiple calls with AND
*
* @param mixed
* @param mixed
* @return object
*/
public function not_like($field, $match = '', $side = 'both')
{
return $this->_like($field, $match, 'AND ', $side, 'NOT');
}
// --------------------------------------------------------------------
/**
* OR Like
*
* Generates a %LIKE% portion of the query. Separates
* multiple calls with OR
*
* @param mixed
* @param mixed
* @return object
*/
public function or_like($field, $match = '', $side = 'both')
{
return $this->_like($field, $match, 'OR ', $side);
}
// --------------------------------------------------------------------
/**
* OR Not Like
*
* Generates a NOT LIKE portion of the query. Separates
* multiple calls with OR
*
* @param mixed
* @param mixed
* @return object
*/
public function or_not_like($field, $match = '', $side = 'both')
{
return $this->_like($field, $match, 'OR ', $side, 'NOT');
}
// --------------------------------------------------------------------
/**
* Like
*
* Called by like() or orlike()
*
* @param mixed
* @param mixed
* @param string
* @return object
*/
protected function _like($field, $match = '', $type = 'AND ', $side = 'both', $not = '')
{
if ( ! is_array($field))
{
$field = array($field => $match);
}
foreach ($field as $k => $v)
{
$k = $this->_protect_identifiers($k);
$prefix = (count($this->ar_like) == 0) ? '' : $type;
$v = $this->escape_like_str($v);
if ($side == 'none')
{
$like_statement = $prefix." $k $not LIKE '{$v}'";
}
elseif ($side == 'before')
{
$like_statement = $prefix." $k $not LIKE '%{$v}'";
}
elseif ($side == 'after')
{
$like_statement = $prefix." $k $not LIKE '{$v}%'";
}
else
{
$like_statement = $prefix." $k $not LIKE '%{$v}%'";
}
// some platforms require an escape sequence definition for LIKE wildcards
if ($this->_like_escape_str != '')
{
$like_statement = $like_statement.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
$this->ar_like[] = $like_statement;
if ($this->ar_caching === TRUE)
{
$this->ar_cache_like[] = $like_statement;
$this->ar_cache_exists[] = 'like';
}
}
return $this;
}
// --------------------------------------------------------------------
/**
* GROUP BY
*
* @param string
* @return object
*/
public function group_by($by)
{
if (is_string($by))
{
$by = explode(',', $by);
}
foreach ($by as $val)
{
$val = trim($val);
if ($val != '')
{
$this->ar_groupby[] = $this->_protect_identifiers($val);
if ($this->ar_caching === TRUE)
{
$this->ar_cache_groupby[] = $this->_protect_identifiers($val);
$this->ar_cache_exists[] = 'groupby';
}
}
}
return $this;
}
// --------------------------------------------------------------------
/**
* Sets the HAVING value
*
* Separates multiple calls with AND
*
* @param string
* @param string
* @return object
*/
public function having($key, $value = '', $escape = TRUE)
{
return $this->_having($key, $value, 'AND ', $escape);
}
// --------------------------------------------------------------------
/**
* Sets the OR HAVING value
*
* Separates multiple calls with OR
*
* @param string
* @param string
* @return object
*/
public function or_having($key, $value = '', $escape = TRUE)
{
return $this->_having($key, $value, 'OR ', $escape);
}
// --------------------------------------------------------------------
/**
* Sets the HAVING values
*
* Called by having() or or_having()
*
* @param string
* @param string
* @return object
*/
protected function _having($key, $value = '', $type = 'AND ', $escape = TRUE)
{
if ( ! is_array($key))
{
$key = array($key => $value);
}
foreach ($key as $k => $v)
{
$prefix = (count($this->ar_having) == 0) ? '' : $type;
if ($escape === TRUE)
{
$k = $this->_protect_identifiers($k);
}
if ( ! $this->_has_operator($k))
{
$k .= ' = ';
}
if ($v != '')
{
$v = ' '.$this->escape($v);
}
$this->ar_having[] = $prefix.$k.$v;
if ($this->ar_caching === TRUE)
{
$this->ar_cache_having[] = $prefix.$k.$v;
$this->ar_cache_exists[] = 'having';
}
}
return $this;
}
// --------------------------------------------------------------------
/**
* Sets the ORDER BY value
*
* @param string
* @param string direction: asc or desc
* @return object
*/
public function order_by($orderby, $direction = '')
{
if (strtolower($direction) == 'random')
{
$orderby = ''; // Random results want or don't need a field name
$direction = $this->_random_keyword;
}
elseif (trim($direction) != '')
{
$direction = (in_array(strtoupper(trim($direction)), array('ASC', 'DESC'), TRUE)) ? ' '.$direction : ' ASC';
}
if (strpos($orderby, ',') !== FALSE)
{
$temp = array();
foreach (explode(',', $orderby) as $part)
{
$part = trim($part);
if ( ! in_array($part, $this->ar_aliased_tables))
{
$part = $this->_protect_identifiers(trim($part));
}
$temp[] = $part;
}
$orderby = implode(', ', $temp);
}
else if ($direction != $this->_random_keyword)
{
$orderby = $this->_protect_identifiers($orderby);
}
$orderby_statement = $orderby.$direction;
$this->ar_orderby[] = $orderby_statement;
if ($this->ar_caching === TRUE)
{
$this->ar_cache_orderby[] = $orderby_statement;
$this->ar_cache_exists[] = 'orderby';
}
return $this;
}
// --------------------------------------------------------------------
/**
* Sets the LIMIT value
*
* @param integer the limit value
* @param integer the offset value
* @return object
*/
public function limit($value, $offset = '')
{
$this->ar_limit = (int) $value;
if ($offset != '')
{
$this->ar_offset = (int) $offset;
}
return $this;
}
// --------------------------------------------------------------------
/**
* Sets the OFFSET value
*
* @param integer the offset value
* @return object
*/
public function offset($offset)
{
$this->ar_offset = $offset;
return $this;
}
// --------------------------------------------------------------------
/**
* The "set" function. Allows key/value pairs to be set for inserting or updating
*
* @param mixed
* @param string
* @param boolean
* @return object
*/
public function set($key, $value = '', $escape = TRUE)
{
$key = $this->_object_to_array($key);
if ( ! is_array($key))
{
$key = array($key => $value);
}
foreach ($key as $k => $v)
{
if ($escape === FALSE)
{
$this->ar_set[$this->_protect_identifiers($k)] = $v;
}
else
{
$this->ar_set[$this->_protect_identifiers($k, FALSE, TRUE)] = $this->escape($v);
}
}
return $this;
}
// --------------------------------------------------------------------
/**
* Get
*
* Compiles the select statement based on the other functions called
* and runs the query
*
* @param string the table
* @param string the limit clause
* @param string the offset clause
* @return object
*/
public function get($table = '', $limit = null, $offset = null)
{
if ($table != '')
{
$this->_track_aliases($table);
$this->from($table);
}
if ( ! is_null($limit))
{
$this->limit($limit, $offset);
}
$sql = $this->_compile_select();
$result = $this->query($sql);
$this->_reset_select();
return $result;
}
/**
* "Count All Results" query
*
* Generates a platform-specific query string that counts all records
* returned by an Active Record query.
*
* @param string
* @return string
*/
public function count_all_results($table = '')
{
if ($table != '')
{
$this->_track_aliases($table);
$this->from($table);
}
$sql = $this->_compile_select($this->_count_string . $this->_protect_identifiers('numrows'));
$query = $this->query($sql);
$this->_reset_select();
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* Get_Where
*
* Allows the where clause, limit and offset to be added directly
*
* @param string the where clause
* @param string the limit clause
* @param string the offset clause
* @return object
*/
public function get_where($table = '', $where = null, $limit = null, $offset = null)
{
if ($table != '')
{
$this->from($table);
}
if ( ! is_null($where))
{
$this->where($where);
}
if ( ! is_null($limit))
{
$this->limit($limit, $offset);
}
$sql = $this->_compile_select();
$result = $this->query($sql);
$this->_reset_select();
return $result;
}
// --------------------------------------------------------------------
/**
* Insert_Batch
*
* Compiles batch insert strings and runs the queries
*
* @param string the table to retrieve the results from
* @param array an associative array of insert values
* @return object
*/
public function insert_batch($table = '', $set = NULL)
{
if ( ! is_null($set))
{
$this->set_insert_batch($set);
}
if (count($this->ar_set) == 0)
{
if ($this->db_debug)
{
//No valid data array. Folds in cases where keys and values did not match up
return $this->display_error('db_must_use_set');
}
return FALSE;
}
if ($table == '')
{
if ( ! isset($this->ar_from[0]))
{
if ($this->db_debug)
{
return $this->display_error('db_must_set_table');
}
return FALSE;
}
$table = $this->ar_from[0];
}
// Batch this baby
for ($i = 0, $total = count($this->ar_set); $i < $total; $i = $i + 100)
{
$sql = $this->_insert_batch($this->_protect_identifiers($table, TRUE, NULL, FALSE), $this->ar_keys, array_slice($this->ar_set, $i, 100));
//echo $sql;
$this->query($sql);
}
$this->_reset_write();
return TRUE;
}
// --------------------------------------------------------------------
/**
* The "set_insert_batch" function. Allows key/value pairs to be set for batch inserts
*
* @param mixed
* @param string
* @param boolean
* @return object
*/
public function set_insert_batch($key, $value = '', $escape = TRUE)
{
$key = $this->_object_to_array_batch($key);
if ( ! is_array($key))
{
$key = array($key => $value);
}
$keys = array_keys(current($key));
sort($keys);
foreach ($key as $row)
{
if (count(array_diff($keys, array_keys($row))) > 0 OR count(array_diff(array_keys($row), $keys)) > 0)
{
// batch function above returns an error on an empty array
$this->ar_set[] = array();
return;
}
ksort($row); // puts $row in the same order as our keys
if ($escape === FALSE)
{
$this->ar_set[] = '('.implode(',', $row).')';
}
else
{
$clean = array();
foreach ($row as $value)
{
$clean[] = $this->escape($value);
}
$this->ar_set[] = '('.implode(',', $clean).')';
}
}
foreach ($keys as $k)
{
$this->ar_keys[] = $this->_protect_identifiers($k);
}
return $this;
}
// --------------------------------------------------------------------
/**
* Insert
*
* Compiles an insert string and runs the query
*
* @param string the table to insert data into
* @param array an associative array of insert values
* @return object
*/
function insert($table = '', $set = NULL)
{
if ( ! is_null($set))
{
$this->set($set);
}
if (count($this->ar_set) == 0)
{
if ($this->db_debug)
{
return $this->display_error('db_must_use_set');
}
return FALSE;
}
if ($table == '')
{
if ( ! isset($this->ar_from[0]))
{
if ($this->db_debug)
{
return $this->display_error('db_must_set_table');
}
return FALSE;
}
$table = $this->ar_from[0];
}
$sql = $this->_insert($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_keys($this->ar_set), array_values($this->ar_set));
$this->_reset_write();
return $this->query($sql);
}
// --------------------------------------------------------------------
/**
* Replace
*
* Compiles an replace into string and runs the query
*
* @param string the table to replace data into
* @param array an associative array of insert values
* @return object
*/
public function replace($table = '', $set = NULL)
{
if ( ! is_null($set))
{
$this->set($set);
}
if (count($this->ar_set) == 0)
{
if ($this->db_debug)
{
return $this->display_error('db_must_use_set');
}
return FALSE;
}
if ($table == '')
{
if ( ! isset($this->ar_from[0]))
{
if ($this->db_debug)
{
return $this->display_error('db_must_set_table');
}
return FALSE;
}
$table = $this->ar_from[0];
}
$sql = $this->_replace($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_keys($this->ar_set), array_values($this->ar_set));
$this->_reset_write();
return $this->query($sql);
}
// --------------------------------------------------------------------
/**
* Update
*
* Compiles an update string and runs the query
*
* @param string the table to retrieve the results from
* @param array an associative array of update values
* @param mixed the where clause
* @return object
*/
public function update($table = '', $set = NULL, $where = NULL, $limit = NULL)
{
// Combine any cached components with the current statements
$this->_merge_cache();
if ( ! is_null($set))
{
$this->set($set);
}
if (count($this->ar_set) == 0)
{
if ($this->db_debug)
{
return $this->display_error('db_must_use_set');
}
return FALSE;
}
if ($table == '')
{
if ( ! isset($this->ar_from[0]))
{
if ($this->db_debug)
{
return $this->display_error('db_must_set_table');
}
return FALSE;
}
$table = $this->ar_from[0];
}
if ($where != NULL)
{
$this->where($where);
}
if ($limit != NULL)
{
$this->limit($limit);
}
$sql = $this->_update($this->_protect_identifiers($table, TRUE, NULL, FALSE), $this->ar_set, $this->ar_where, $this->ar_orderby, $this->ar_limit);
$this->_reset_write();
return $this->query($sql);
}
// --------------------------------------------------------------------
/**
* Update_Batch
*
* Compiles an update string and runs the query
*
* @param string the table to retrieve the results from
* @param array an associative array of update values
* @param string the where key
* @return object
*/
public function update_batch($table = '', $set = NULL, $index = NULL)
{
// Combine any cached components with the current statements
$this->_merge_cache();
if (is_null($index))
{
if ($this->db_debug)
{
return $this->display_error('db_must_use_index');
}
return FALSE;
}
if ( ! is_null($set))
{
$this->set_update_batch($set, $index);
}
if (count($this->ar_set) == 0)
{
if ($this->db_debug)
{
return $this->display_error('db_must_use_set');
}
return FALSE;
}
if ($table == '')
{
if ( ! isset($this->ar_from[0]))
{
if ($this->db_debug)
{
return $this->display_error('db_must_set_table');
}
return FALSE;
}
$table = $this->ar_from[0];
}
// Batch this baby
for ($i = 0, $total = count($this->ar_set); $i < $total; $i = $i + 100)
{
$sql = $this->_update_batch($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_slice($this->ar_set, $i, 100), $this->_protect_identifiers($index), $this->ar_where);
$this->query($sql);
}
$this->_reset_write();
}
// --------------------------------------------------------------------
/**
* The "set_update_batch" function. Allows key/value pairs to be set for batch updating
*
* @param array
* @param string
* @param boolean
* @return object
*/
public function set_update_batch($key, $index = '', $escape = TRUE)
{
$key = $this->_object_to_array_batch($key);
if ( ! is_array($key))
{
// @todo error
}
foreach ($key as $k => $v)
{
$index_set = FALSE;
$clean = array();
foreach ($v as $k2 => $v2)
{
if ($k2 == $index)
{
$index_set = TRUE;
}
else
{
$not[] = $k.'-'.$v;
}
if ($escape === FALSE)
{
$clean[$this->_protect_identifiers($k2)] = $v2;
}
else
{
$clean[$this->_protect_identifiers($k2)] = $this->escape($v2);
}
}
if ($index_set == FALSE)
{
return $this->display_error('db_batch_missing_index');
}
$this->ar_set[] = $clean;
}
return $this;
}
// --------------------------------------------------------------------
/**
* Empty Table
*
* Compiles a delete string and runs "DELETE FROM table"
*
* @param string the table to empty
* @return object
*/
public function empty_table($table = '')
{
if ($table == '')
{
if ( ! isset($this->ar_from[0]))
{
if ($this->db_debug)
{
return $this->display_error('db_must_set_table');
}
return FALSE;
}
$table = $this->ar_from[0];
}
else
{
$table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
}
$sql = $this->_delete($table);
$this->_reset_write();
return $this->query($sql);
}
// --------------------------------------------------------------------
/**
* Truncate
*
* Compiles a truncate string and runs the query
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @param string the table to truncate
* @return object
*/
public function truncate($table = '')
{
if ($table == '')
{
if ( ! isset($this->ar_from[0]))
{
if ($this->db_debug)
{
return $this->display_error('db_must_set_table');
}
return FALSE;
}
$table = $this->ar_from[0];
}
else
{
$table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
}
$sql = $this->_truncate($table);
$this->_reset_write();
return $this->query($sql);
}
// --------------------------------------------------------------------
/**
* Delete
*
* Compiles a delete string and runs the query
*
* @param mixed the table(s) to delete from. String or array
* @param mixed the where clause
* @param mixed the limit clause
* @param boolean
* @return object
*/
public function delete($table = '', $where = '', $limit = NULL, $reset_data = TRUE)
{
// Combine any cached components with the current statements
$this->_merge_cache();
if ($table == '')
{
if ( ! isset($this->ar_from[0]))
{
if ($this->db_debug)
{
return $this->display_error('db_must_set_table');
}
return FALSE;
}
$table = $this->ar_from[0];
}
elseif (is_array($table))
{
foreach ($table as $single_table)
{
$this->delete($single_table, $where, $limit, FALSE);
}
$this->_reset_write();
return;
}
else
{
$table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
}
if ($where != '')
{
$this->where($where);
}
if ($limit != NULL)
{
$this->limit($limit);
}
if (count($this->ar_where) == 0 && count($this->ar_wherein) == 0 && count($this->ar_like) == 0)
{
if ($this->db_debug)
{
return $this->display_error('db_del_must_use_where');
}
return FALSE;
}
$sql = $this->_delete($table, $this->ar_where, $this->ar_like, $this->ar_limit);
if ($reset_data)
{
$this->_reset_write();
}
return $this->query($sql);
}
// --------------------------------------------------------------------
/**
* DB Prefix
*
* Prepends a database prefix if one exists in configuration
*
* @param string the table
* @return string
*/
public function dbprefix($table = '')
{
if ($table == '')
{
$this->display_error('db_table_name_required');
}
return $this->dbprefix.$table;
}
// --------------------------------------------------------------------
/**
* Set DB Prefix
*
* Set's the DB Prefix to something new without needing to reconnect
*
* @param string the prefix
* @return string
*/
public function set_dbprefix($prefix = '')
{
return $this->dbprefix = $prefix;
}
// --------------------------------------------------------------------
/**
* Track Aliases
*
* Used to track SQL statements written with aliased tables.
*
* @param string The table to inspect
* @return string
*/
protected function _track_aliases($table)
{
if (is_array($table))
{
foreach ($table as $t)
{
$this->_track_aliases($t);
}
return;
}
// Does the string contain a comma? If so, we need to separate
// the string into discreet statements
if (strpos($table, ',') !== FALSE)
{
return $this->_track_aliases(explode(',', $table));
}
// if a table alias is used we can recognize it by a space
if (strpos($table, " ") !== FALSE)
{
// if the alias is written with the AS keyword, remove it
$table = preg_replace('/\s+AS\s+/i', ' ', $table);
// Grab the alias
$table = trim(strrchr($table, " "));
// Store the alias, if it doesn't already exist
if ( ! in_array($table, $this->ar_aliased_tables))
{
$this->ar_aliased_tables[] = $table;
}
}
}
// --------------------------------------------------------------------
/**
* Compile the SELECT statement
*
* Generates a query string based on which functions were used.
* Should not be called directly. The get() function calls it.
*
* @return string
*/
protected function _compile_select($select_override = FALSE)
{
// Combine any cached components with the current statements
$this->_merge_cache();
// ----------------------------------------------------------------
// Write the "select" portion of the query
if ($select_override !== FALSE)
{
$sql = $select_override;
}
else
{
$sql = ( ! $this->ar_distinct) ? 'SELECT ' : 'SELECT DISTINCT ';
if (count($this->ar_select) == 0)
{
$sql .= '*';
}
else
{
// Cycle through the "select" portion of the query and prep each column name.
// The reason we protect identifiers here rather then in the select() function
// is because until the user calls the from() function we don't know if there are aliases
foreach ($this->ar_select as $key => $val)
{
$no_escape = isset($this->ar_no_escape[$key]) ? $this->ar_no_escape[$key] : NULL;
$this->ar_select[$key] = $this->_protect_identifiers($val, FALSE, $no_escape);
}
$sql .= implode(', ', $this->ar_select);
}
}
// ----------------------------------------------------------------
// Write the "FROM" portion of the query
if (count($this->ar_from) > 0)
{
$sql .= "\nFROM ";
$sql .= $this->_from_tables($this->ar_from);
}
// ----------------------------------------------------------------
// Write the "JOIN" portion of the query
if (count($this->ar_join) > 0)
{
$sql .= "\n";
$sql .= implode("\n", $this->ar_join);
}
// ----------------------------------------------------------------
// Write the "WHERE" portion of the query
if (count($this->ar_where) > 0 OR count($this->ar_like) > 0)
{
$sql .= "\nWHERE ";
}
$sql .= implode("\n", $this->ar_where);
// ----------------------------------------------------------------
// Write the "LIKE" portion of the query
if (count($this->ar_like) > 0)
{
if (count($this->ar_where) > 0)
{
$sql .= "\nAND ";
}
$sql .= implode("\n", $this->ar_like);
}
// ----------------------------------------------------------------
// Write the "GROUP BY" portion of the query
if (count($this->ar_groupby) > 0)
{
$sql .= "\nGROUP BY ";
$sql .= implode(', ', $this->ar_groupby);
}
// ----------------------------------------------------------------
// Write the "HAVING" portion of the query
if (count($this->ar_having) > 0)
{
$sql .= "\nHAVING ";
$sql .= implode("\n", $this->ar_having);
}
// ----------------------------------------------------------------
// Write the "ORDER BY" portion of the query
if (count($this->ar_orderby) > 0)
{
$sql .= "\nORDER BY ";
$sql .= implode(', ', $this->ar_orderby);
if ($this->ar_order !== FALSE)
{
$sql .= ($this->ar_order == 'desc') ? ' DESC' : ' ASC';
}
}
// ----------------------------------------------------------------
// Write the "LIMIT" portion of the query
if (is_numeric($this->ar_limit))
{
$sql .= "\n";
$sql = $this->_limit($sql, $this->ar_limit, $this->ar_offset);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Object to Array
*
* Takes an object as input and converts the class variables to array key/vals
*
* @param object
* @return array
*/
public function _object_to_array($object)
{
if ( ! is_object($object))
{
return $object;
}
$array = array();
foreach (get_object_vars($object) as $key => $val)
{
// There are some built in keys we need to ignore for this conversion
if ( ! is_object($val) && ! is_array($val) && $key != '_parent_name')
{
$array[$key] = $val;
}
}
return $array;
}
// --------------------------------------------------------------------
/**
* Object to Array
*
* Takes an object as input and converts the class variables to array key/vals
*
* @param object
* @return array
*/
public function _object_to_array_batch($object)
{
if ( ! is_object($object))
{
return $object;
}
$array = array();
$out = get_object_vars($object);
$fields = array_keys($out);
foreach ($fields as $val)
{
// There are some built in keys we need to ignore for this conversion
if ($val != '_parent_name')
{
$i = 0;
foreach ($out[$val] as $data)
{
$array[$i][$val] = $data;
$i++;
}
}
}
return $array;
}
// --------------------------------------------------------------------
/**
* Start Cache
*
* Starts AR caching
*
* @return void
*/
public function start_cache()
{
$this->ar_caching = TRUE;
}
// --------------------------------------------------------------------
/**
* Stop Cache
*
* Stops AR caching
*
* @return void
*/
public function stop_cache()
{
$this->ar_caching = FALSE;
}
// --------------------------------------------------------------------
/**
* Flush Cache
*
* Empties the AR cache
*
* @access public
* @return void
*/
public function flush_cache()
{
$this->_reset_run(array(
'ar_cache_select' => array(),
'ar_cache_from' => array(),
'ar_cache_join' => array(),
'ar_cache_where' => array(),
'ar_cache_like' => array(),
'ar_cache_groupby' => array(),
'ar_cache_having' => array(),
'ar_cache_orderby' => array(),
'ar_cache_set' => array(),
'ar_cache_exists' => array(),
'ar_cache_no_escape' => array()
));
}
// --------------------------------------------------------------------
/**
* Merge Cache
*
* When called, this function merges any cached AR arrays with
* locally called ones.
*
* @return void
*/
protected function _merge_cache()
{
if (count($this->ar_cache_exists) == 0)
{
return;
}
foreach ($this->ar_cache_exists as $val)
{
$ar_variable = 'ar_'.$val;
$ar_cache_var = 'ar_cache_'.$val;
if (count($this->$ar_cache_var) == 0)
{
continue;
}
$this->$ar_variable = array_unique(array_merge($this->$ar_cache_var, $this->$ar_variable));
}
// If we are "protecting identifiers" we need to examine the "from"
// portion of the query to determine if there are any aliases
if ($this->_protect_identifiers === TRUE AND count($this->ar_cache_from) > 0)
{
$this->_track_aliases($this->ar_from);
}
$this->ar_no_escape = $this->ar_cache_no_escape;
}
// --------------------------------------------------------------------
/**
* Resets the active record values. Called by the get() function
*
* @param array An array of fields to reset
* @return void
*/
protected function _reset_run($ar_reset_items)
{
foreach ($ar_reset_items as $item => $default_value)
{
if ( ! in_array($item, $this->ar_store_array))
{
$this->$item = $default_value;
}
}
}
// --------------------------------------------------------------------
/**
* Resets the active record values. Called by the get() function
*
* @return void
*/
protected function _reset_select()
{
$ar_reset_items = array(
'ar_select' => array(),
'ar_from' => array(),
'ar_join' => array(),
'ar_where' => array(),
'ar_like' => array(),
'ar_groupby' => array(),
'ar_having' => array(),
'ar_orderby' => array(),
'ar_wherein' => array(),
'ar_aliased_tables' => array(),
'ar_no_escape' => array(),
'ar_distinct' => FALSE,
'ar_limit' => FALSE,
'ar_offset' => FALSE,
'ar_order' => FALSE,
);
$this->_reset_run($ar_reset_items);
}
// --------------------------------------------------------------------
/**
* Resets the active record "write" values.
*
* Called by the insert() update() insert_batch() update_batch() and delete() functions
*
* @return void
*/
protected function _reset_write()
{
$ar_reset_items = array(
'ar_set' => array(),
'ar_from' => array(),
'ar_where' => array(),
'ar_like' => array(),
'ar_orderby' => array(),
'ar_keys' => array(),
'ar_limit' => FALSE,
'ar_order' => FALSE
);
$this->_reset_run($ar_reset_items);
}
}
/* End of file DB_active_rec.php */
/* Location: ./system/database/DB_active_rec.php */ | 069h-course-management | trunk/ci/system/database/DB_active_rec.php | PHP | mit | 42,977 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Database Result Class
*
* This is the platform-independent result class.
* This class will not be called directly. Rather, the adapter
* class for the specific database will extend and instantiate it.
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_result {
var $conn_id = NULL;
var $result_id = NULL;
var $result_array = array();
var $result_object = array();
var $custom_result_object = array();
var $current_row = 0;
var $num_rows = 0;
var $row_data = NULL;
/**
* Query result. Acts as a wrapper function for the following functions.
*
* @access public
* @param string can be "object" or "array"
* @return mixed either a result object or array
*/
public function result($type = 'object')
{
if ($type == 'array') return $this->result_array();
else if ($type == 'object') return $this->result_object();
else return $this->custom_result_object($type);
}
// --------------------------------------------------------------------
/**
* Custom query result.
*
* @param class_name A string that represents the type of object you want back
* @return array of objects
*/
public function custom_result_object($class_name)
{
if (array_key_exists($class_name, $this->custom_result_object))
{
return $this->custom_result_object[$class_name];
}
if ($this->result_id === FALSE OR $this->num_rows() == 0)
{
return array();
}
// add the data to the object
$this->_data_seek(0);
$result_object = array();
while ($row = $this->_fetch_object())
{
$object = new $class_name();
foreach ($row as $key => $value)
{
$object->$key = $value;
}
$result_object[] = $object;
}
// return the array
return $this->custom_result_object[$class_name] = $result_object;
}
// --------------------------------------------------------------------
/**
* Query result. "object" version.
*
* @access public
* @return object
*/
public function result_object()
{
if (count($this->result_object) > 0)
{
return $this->result_object;
}
// In the event that query caching is on the result_id variable
// will return FALSE since there isn't a valid SQL resource so
// we'll simply return an empty array.
if ($this->result_id === FALSE OR $this->num_rows() == 0)
{
return array();
}
$this->_data_seek(0);
while ($row = $this->_fetch_object())
{
$this->result_object[] = $row;
}
return $this->result_object;
}
// --------------------------------------------------------------------
/**
* Query result. "array" version.
*
* @access public
* @return array
*/
public function result_array()
{
if (count($this->result_array) > 0)
{
return $this->result_array;
}
// In the event that query caching is on the result_id variable
// will return FALSE since there isn't a valid SQL resource so
// we'll simply return an empty array.
if ($this->result_id === FALSE OR $this->num_rows() == 0)
{
return array();
}
$this->_data_seek(0);
while ($row = $this->_fetch_assoc())
{
$this->result_array[] = $row;
}
return $this->result_array;
}
// --------------------------------------------------------------------
/**
* Query result. Acts as a wrapper function for the following functions.
*
* @access public
* @param string
* @param string can be "object" or "array"
* @return mixed either a result object or array
*/
public function row($n = 0, $type = 'object')
{
if ( ! is_numeric($n))
{
// We cache the row data for subsequent uses
if ( ! is_array($this->row_data))
{
$this->row_data = $this->row_array(0);
}
// array_key_exists() instead of isset() to allow for MySQL NULL values
if (array_key_exists($n, $this->row_data))
{
return $this->row_data[$n];
}
// reset the $n variable if the result was not achieved
$n = 0;
}
if ($type == 'object') return $this->row_object($n);
else if ($type == 'array') return $this->row_array($n);
else return $this->custom_row_object($n, $type);
}
// --------------------------------------------------------------------
/**
* Assigns an item into a particular column slot
*
* @access public
* @return object
*/
public function set_row($key, $value = NULL)
{
// We cache the row data for subsequent uses
if ( ! is_array($this->row_data))
{
$this->row_data = $this->row_array(0);
}
if (is_array($key))
{
foreach ($key as $k => $v)
{
$this->row_data[$k] = $v;
}
return;
}
if ($key != '' AND ! is_null($value))
{
$this->row_data[$key] = $value;
}
}
// --------------------------------------------------------------------
/**
* Returns a single result row - custom object version
*
* @access public
* @return object
*/
public function custom_row_object($n, $type)
{
$result = $this->custom_result_object($type);
if (count($result) == 0)
{
return $result;
}
if ($n != $this->current_row AND isset($result[$n]))
{
$this->current_row = $n;
}
return $result[$this->current_row];
}
/**
* Returns a single result row - object version
*
* @access public
* @return object
*/
public function row_object($n = 0)
{
$result = $this->result_object();
if (count($result) == 0)
{
return $result;
}
if ($n != $this->current_row AND isset($result[$n]))
{
$this->current_row = $n;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* Returns a single result row - array version
*
* @access public
* @return array
*/
public function row_array($n = 0)
{
$result = $this->result_array();
if (count($result) == 0)
{
return $result;
}
if ($n != $this->current_row AND isset($result[$n]))
{
$this->current_row = $n;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* Returns the "first" row
*
* @access public
* @return object
*/
public function first_row($type = 'object')
{
$result = $this->result($type);
if (count($result) == 0)
{
return $result;
}
return $result[0];
}
// --------------------------------------------------------------------
/**
* Returns the "last" row
*
* @access public
* @return object
*/
public function last_row($type = 'object')
{
$result = $this->result($type);
if (count($result) == 0)
{
return $result;
}
return $result[count($result) -1];
}
// --------------------------------------------------------------------
/**
* Returns the "next" row
*
* @access public
* @return object
*/
public function next_row($type = 'object')
{
$result = $this->result($type);
if (count($result) == 0)
{
return $result;
}
if (isset($result[$this->current_row + 1]))
{
++$this->current_row;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* Returns the "previous" row
*
* @access public
* @return object
*/
public function previous_row($type = 'object')
{
$result = $this->result($type);
if (count($result) == 0)
{
return $result;
}
if (isset($result[$this->current_row - 1]))
{
--$this->current_row;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* The following functions are normally overloaded by the identically named
* methods in the platform-specific driver -- except when query caching
* is used. When caching is enabled we do not load the other driver.
* These functions are primarily here to prevent undefined function errors
* when a cached result object is in use. They are not otherwise fully
* operational due to the unavailability of the database resource IDs with
* cached results.
*/
public function num_rows() { return $this->num_rows; }
public function num_fields() { return 0; }
public function list_fields() { return array(); }
public function field_data() { return array(); }
public function free_result() { return TRUE; }
protected function _data_seek() { return TRUE; }
protected function _fetch_assoc() { return array(); }
protected function _fetch_object() { return array(); }
}
// END DB_result class
/* End of file DB_result.php */
/* Location: ./system/database/DB_result.php */
| 069h-course-management | trunk/ci/system/database/DB_result.php | PHP | mit | 9,017 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/database/drivers/mysqli/index.html | HTML | mit | 114 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQLi Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @mysqli_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @mysqli_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
while ($field = mysqli_fetch_field($this->result_id))
{
$field_names[] = $field->name;
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
while ($field = mysqli_fetch_object($this->result_id))
{
preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches);
$type = (array_key_exists(1, $matches)) ? $matches[1] : NULL;
$length = (array_key_exists(2, $matches)) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
$F = new stdClass();
$F->name = $field->Field;
$F->type = $type;
$F->default = $field->Default;
$F->max_length = $length;
$F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 );
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_object($this->result_id))
{
mysqli_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return mysqli_data_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return mysqli_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return mysqli_fetch_object($this->result_id);
}
}
/* End of file mysqli_result.php */
/* Location: ./system/database/drivers/mysqli/mysqli_result.php */ | 069h-course-management | trunk/ci/system/database/drivers/mysqli/mysqli_result.php | PHP | mit | 3,641 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQLi Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database($name)
{
return "CREATE DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
return "DROP DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Process Fields
*
* @access private
* @param mixed the fields
* @return string
*/
function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
if (array_key_exists('NAME', $attributes))
{
$sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
}
if (array_key_exists('TYPE', $attributes))
{
$sql .= ' '.$attributes['TYPE'];
}
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param mixed the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$sql .= $this->_process_fields($fields);
if (count($primary_keys) > 0)
{
$key_name = $this->db->_protect_identifiers(implode('_', $primary_keys));
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY ".$key_name." (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key_name = $this->db->_protect_identifiers(implode('_', $key));
$key = $this->db->_protect_identifiers($key);
}
else
{
$key_name = $this->db->_protect_identifiers($key);
$key = array($key_name);
}
$sql .= ",\n\tKEY {$key_name} (" . implode(', ', $key) . ")";
}
}
$sql .= "\n) DEFAULT CHARACTER SET {$this->db->char_set} COLLATE {$this->db->dbcollat};";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return string
*/
function _drop_table($table)
{
return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param array fields
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $fields, $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql.$this->db->_protect_identifiers($fields);
}
$sql .= $this->_process_fields($fields);
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file mysqli_forge.php */
/* Location: ./system/database/drivers/mysqli/mysqli_forge.php */ | 069h-course-management | trunk/ci/system/database/drivers/mysqli/mysqli_forge.php | PHP | mit | 6,103 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQLi Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
return "SHOW DATABASES";
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return "OPTIMIZE TABLE ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return "REPAIR TABLE ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* MySQLi Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file mysqli_utility.php */
/* Location: ./system/database/drivers/mysqli/mysqli_utility.php */ | 069h-course-management | trunk/ci/system/database/drivers/mysqli/mysqli_utility.php | PHP | mit | 1,984 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQLi Database Adapter Class - MySQLi only works with PHP 5
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_driver extends CI_DB {
var $dbdriver = 'mysqli';
// The character used for escaping
var $_escape_char = '`';
// clause and character used for LIKE escape sequences - not used in MySQL
var $_like_escape_str = '';
var $_like_escape_chr = '';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword = ' RAND()'; // database specific random keyword
/**
* Whether to use the MySQL "delete hack" which allows the number
* of affected rows to be shown. Uses a preg_replace when enabled,
* adding a bit more processing to all queries.
*/
var $delete_hack = TRUE;
// whether SET NAMES must be used to set the character set
var $use_set_names;
// --------------------------------------------------------------------
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
if ($this->port != '')
{
return @mysqli_connect($this->hostname, $this->username, $this->password, $this->database, $this->port);
}
else
{
return @mysqli_connect($this->hostname, $this->username, $this->password, $this->database);
}
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
return $this->db_connect();
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
if (mysqli_ping($this->conn_id) === FALSE)
{
$this->conn_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
return @mysqli_select_db($this->conn_id, $this->database);
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access private
* @param string
* @param string
* @return resource
*/
function _db_set_charset($charset, $collation)
{
if ( ! isset($this->use_set_names))
{
// mysqli_set_charset() requires MySQL >= 5.0.7, use SET NAMES as fallback
$this->use_set_names = (version_compare(mysqli_get_server_info($this->conn_id), '5.0.7', '>=')) ? FALSE : TRUE;
}
if ($this->use_set_names === TRUE)
{
return @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'");
}
else
{
return @mysqli_set_charset($this->conn_id, $charset);
}
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return "SELECT version() AS ver";
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
$result = @mysqli_query($this->conn_id, $sql);
return $result;
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
// "DELETE FROM TABLE" returns 0 affected rows This hack modifies
// the query so that it returns the number of affected rows
if ($this->delete_hack === TRUE)
{
if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql))
{
$sql = preg_replace("/^\s*DELETE\s+FROM\s+(\S+)\s*$/", "DELETE FROM \\1 WHERE 1=1", $sql);
}
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
$this->simple_query('SET AUTOCOMMIT=0');
$this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('COMMIT');
$this->simple_query('SET AUTOCOMMIT=1');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('ROLLBACK');
$this->simple_query('SET AUTOCOMMIT=1');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
if (function_exists('mysqli_real_escape_string') AND is_object($this->conn_id))
{
$str = mysqli_real_escape_string($this->conn_id, $str);
}
elseif (function_exists('mysql_escape_string'))
{
$str = mysql_escape_string($str);
}
else
{
$str = addslashes($str);
}
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace(array('%', '_'), array('\\%', '\\_'), $str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @mysqli_affected_rows($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id()
{
return @mysqli_insert_id($this->conn_id);
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SHOW TABLES FROM ".$this->_escape_char.$this->database.$this->_escape_char;
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "DESCRIBE ".$table;
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return mysqli_error($this->conn_id);
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return mysqli_errno($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert_batch($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
}
// --------------------------------------------------------------------
/**
* Replace statement
*
* Generates a platform-specific replace string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _replace($table, $keys, $values)
{
return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @return string
*/
function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
$where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
foreach ($values as $key => $val)
{
$ids[] = $val[$index];
foreach (array_keys($val) as $field)
{
if ($field != $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
}
}
$sql = "UPDATE ".$table." SET ";
$cases = '';
foreach ($final as $k => $v)
{
$cases .= $k.' = CASE '."\n";
foreach ($v as $row)
{
$cases .= $row."\n";
}
$cases .= 'ELSE '.$k.' END, ';
}
$sql .= substr($cases, 0, -2);
$sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return "TRUNCATE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
$sql .= "LIMIT ".$limit;
if ($offset > 0)
{
$sql .= " OFFSET ".$offset;
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@mysqli_close($conn_id);
}
}
/* End of file mysqli_driver.php */
/* Location: ./system/database/drivers/mysqli/mysqli_driver.php */ | 069h-course-management | trunk/ci/system/database/drivers/mysqli/mysqli_driver.php | PHP | mit | 17,409 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/database/drivers/sqlsrv/index.html | HTML | mit | 114 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLSRV Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_driver extends CI_DB {
var $dbdriver = 'sqlsrv';
// The character used for escaping
var $_escape_char = '';
// clause and character used for LIKE escape sequences
var $_like_escape_str = " ESCAPE '%s' ";
var $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword = ' ASC'; // not currently supported
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect($pooling = false)
{
// Check for a UTF-8 charset being passed as CI's default 'utf8'.
$character_set = (0 === strcasecmp('utf8', $this->char_set)) ? 'UTF-8' : $this->char_set;
$connection = array(
'UID' => empty($this->username) ? '' : $this->username,
'PWD' => empty($this->password) ? '' : $this->password,
'Database' => $this->database,
'ConnectionPooling' => $pooling ? 1 : 0,
'CharacterSet' => $character_set,
'ReturnDatesAsStrings' => 1
);
// If the username and password are both empty, assume this is a
// 'Windows Authentication Mode' connection.
if(empty($connection['UID']) && empty($connection['PWD'])) {
unset($connection['UID'], $connection['PWD']);
}
return sqlsrv_connect($this->hostname, $connection);
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
$this->db_connect(TRUE);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
// not implemented in MSSQL
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
return $this->_execute('USE ' . $this->database);
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return sqlsrv_query($this->conn_id, $sql, null, array(
'Scrollable' => SQLSRV_CURSOR_STATIC,
'SendStreamParamsAtExec' => true
));
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
return sqlsrv_begin_transaction($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
return sqlsrv_commit($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
return sqlsrv_rollback($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
// Escape single quotes
return str_replace("'", "''", $str);
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @sqlrv_rows_affected($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* Returns the last id created in the Identity column.
*
* @access public
* @return integer
*/
function insert_id()
{
return $this->query('select @@IDENTITY as insert_id')->row('insert_id');
}
// --------------------------------------------------------------------
/**
* Parse major version
*
* Grabs the major version number from the
* database server version string passed in.
*
* @access private
* @param string $version
* @return int16 major version number
*/
function _parse_major_version($version)
{
preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info);
return $ver_info[1]; // return the major version b/c that's all we're interested in.
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
$info = sqlsrv_server_info($this->conn_id);
return sprintf("select '%s' as ver", $info['SQLServerVersion']);
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
return '0';
$query = $this->query("SELECT COUNT(*) AS numrows FROM " . $this->dbprefix . $table);
if ($query->num_rows() == 0)
return '0';
$row = $query->row();
$this->_reset_select();
return $row->numrows;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
return "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name";
}
// --------------------------------------------------------------------
/**
* List column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access private
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->_escape_table($table)."'";
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT TOP 1 * FROM " . $this->_escape_table($table);
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
$error = array_shift(sqlsrv_errors());
return !empty($error['message']) ? $error['message'] : null;
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
$error = array_shift(sqlsrv_errors());
return isset($error['SQLSTATE']) ? $error['SQLSTATE'] : null;
}
// --------------------------------------------------------------------
/**
* Escape Table Name
*
* This function adds backticks if the table name has a period
* in it. Some DBs will get cranky unless periods are escaped
*
* @access private
* @param string the table name
* @return string
*/
function _escape_table($table)
{
return $table;
}
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
return $item;
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return implode(', ', $tables);
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$this->_escape_table($table)." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where)
{
foreach($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where);
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return "TRUNCATE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where)
{
return "DELETE FROM ".$this->_escape_table($table)." WHERE ".implode(" ", $where);
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
$i = $limit + $offset;
return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql);
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@sqlsrv_close($conn_id);
}
}
/* End of file mssql_driver.php */
/* Location: ./system/database/drivers/mssql/mssql_driver.php */ | 069h-course-management | trunk/ci/system/database/drivers/sqlsrv/sqlsrv_driver.php | PHP | mit | 13,545 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLSRV Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @sqlsrv_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @sqlsrv_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field)
{
$field_names[] = $field['Name'];
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field)
{
$F = new stdClass();
$F->name = $field['Name'];
$F->type = $field['Type'];
$F->max_length = $field['Size'];
$F->primary_key = 0;
$F->default = '';
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_resource($this->result_id))
{
sqlsrv_free_stmt($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
// Not implemented
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return sqlsrv_fetch_array($this->result_id, SQLSRV_FETCH_ASSOC);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return sqlsrv_fetch_object($this->result_id);
}
}
/* End of file mssql_result.php */
/* Location: ./system/database/drivers/mssql/mssql_result.php */ | 069h-course-management | trunk/ci/system/database/drivers/sqlsrv/sqlsrv_result.php | PHP | mit | 3,416 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLSRV Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database($name)
{
return "CREATE DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
return "DROP DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return bool
*/
function _drop_table($table)
{
return "DROP TABLE ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
}
}
$sql .= "\n)";
return $sql;
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
// I think this syntax will work, but can find little documentation on renaming tables in MSSQL
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file mssql_forge.php */
/* Location: ./system/database/drivers/mssql/mssql_forge.php */ | 069h-course-management | trunk/ci/system/database/drivers/sqlsrv/sqlsrv_forge.php | PHP | mit | 5,793 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLSRV Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
return "EXEC sp_helpdb"; // Can also be: EXEC sp_databases
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return FALSE; // Is this supported in MS SQL?
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return FALSE; // Is this supported in MS SQL?
}
// --------------------------------------------------------------------
/**
* MSSQL Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file mssql_utility.php */
/* Location: ./system/database/drivers/mssql/mssql_utility.php */ | 069h-course-management | trunk/ci/system/database/drivers/sqlsrv/sqlsrv_utility.php | PHP | mit | 1,979 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQL Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
return "SHOW DATABASES";
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return "OPTIMIZE TABLE ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return "REPAIR TABLE ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* MySQL Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
if (count($params) == 0)
{
return FALSE;
}
// Extract the prefs for simplicity
extract($params);
// Build the output
$output = '';
foreach ((array)$tables as $table)
{
// Is the table in the "ignore" list?
if (in_array($table, (array)$ignore, TRUE))
{
continue;
}
// Get the table schema
$query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.`'.$table.'`');
// No result means the table name was invalid
if ($query === FALSE)
{
continue;
}
// Write out the table schema
$output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
if ($add_drop == TRUE)
{
$output .= 'DROP TABLE IF EXISTS '.$table.';'.$newline.$newline;
}
$i = 0;
$result = $query->result_array();
foreach ($result[0] as $val)
{
if ($i++ % 2)
{
$output .= $val.';'.$newline.$newline;
}
}
// If inserts are not needed we're done...
if ($add_insert == FALSE)
{
continue;
}
// Grab all the data from the current table
$query = $this->db->query("SELECT * FROM $table");
if ($query->num_rows() == 0)
{
continue;
}
// Fetch the field names and determine if the field is an
// integer type. We use this info to decide whether to
// surround the data with quotes or not
$i = 0;
$field_str = '';
$is_int = array();
while ($field = mysql_fetch_field($query->result_id))
{
// Most versions of MySQL store timestamp as a string
$is_int[$i] = (in_array(
strtolower(mysql_field_type($query->result_id, $i)),
array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'),
TRUE)
) ? TRUE : FALSE;
// Create a string of field names
$field_str .= '`'.$field->name.'`, ';
$i++;
}
// Trim off the end comma
$field_str = preg_replace( "/, $/" , "" , $field_str);
// Build the insert string
foreach ($query->result_array() as $row)
{
$val_str = '';
$i = 0;
foreach ($row as $v)
{
// Is the value NULL?
if ($v === NULL)
{
$val_str .= 'NULL';
}
else
{
// Escape the data if it's not an integer
if ($is_int[$i] == FALSE)
{
$val_str .= $this->db->escape($v);
}
else
{
$val_str .= $v;
}
}
// Append a comma
$val_str .= ', ';
$i++;
}
// Remove the comma at the end of the string
$val_str = preg_replace( "/, $/" , "" , $val_str);
// Build the INSERT string
$output .= 'INSERT INTO '.$table.' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
}
$output .= $newline.$newline;
}
return $output;
}
}
/* End of file mysql_utility.php */
/* Location: ./system/database/drivers/mysql/mysql_utility.php */ | 069h-course-management | trunk/ci/system/database/drivers/mysql/mysql_utility.php | PHP | mit | 4,610 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/database/drivers/mysql/index.html | HTML | mit | 114 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// --------------------------------------------------------------------
/**
* MySQL Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @mysql_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @mysql_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
while ($field = mysql_fetch_field($this->result_id))
{
$field_names[] = $field->name;
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
while ($field = mysql_fetch_object($this->result_id))
{
preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches);
$type = (array_key_exists(1, $matches)) ? $matches[1] : NULL;
$length = (array_key_exists(2, $matches)) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
$F = new stdClass();
$F->name = $field->Field;
$F->type = $type;
$F->default = $field->Default;
$F->max_length = $length;
$F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 );
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_resource($this->result_id))
{
mysql_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return mysql_data_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return mysql_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return mysql_fetch_object($this->result_id);
}
}
/* End of file mysql_result.php */
/* Location: ./system/database/drivers/mysql/mysql_result.php */ | 069h-course-management | trunk/ci/system/database/drivers/mysql/mysql_result.php | PHP | mit | 3,625 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQL Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_driver extends CI_DB {
var $dbdriver = 'mysql';
// The character used for escaping
var $_escape_char = '`';
// clause and character used for LIKE escape sequences - not used in MySQL
var $_like_escape_str = '';
var $_like_escape_chr = '';
/**
* Whether to use the MySQL "delete hack" which allows the number
* of affected rows to be shown. Uses a preg_replace when enabled,
* adding a bit more processing to all queries.
*/
var $delete_hack = TRUE;
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = 'SELECT COUNT(*) AS ';
var $_random_keyword = ' RAND()'; // database specific random keyword
// whether SET NAMES must be used to set the character set
var $use_set_names;
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
if ($this->port != '')
{
$this->hostname .= ':'.$this->port;
}
return @mysql_connect($this->hostname, $this->username, $this->password, TRUE);
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
if ($this->port != '')
{
$this->hostname .= ':'.$this->port;
}
return @mysql_pconnect($this->hostname, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
if (mysql_ping($this->conn_id) === FALSE)
{
$this->conn_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
return @mysql_select_db($this->database, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
if ( ! isset($this->use_set_names))
{
// mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback
$this->use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE;
}
if ($this->use_set_names === TRUE)
{
return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id);
}
else
{
return @mysql_set_charset($charset, $this->conn_id);
}
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return "SELECT version() AS ver";
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return @mysql_query($sql, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
// "DELETE FROM TABLE" returns 0 affected rows This hack modifies
// the query so that it returns the number of affected rows
if ($this->delete_hack === TRUE)
{
if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql))
{
$sql = preg_replace("/^\s*DELETE\s+FROM\s+(\S+)\s*$/", "DELETE FROM \\1 WHERE 1=1", $sql);
}
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
$this->simple_query('SET AUTOCOMMIT=0');
$this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('COMMIT');
$this->simple_query('SET AUTOCOMMIT=1');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('ROLLBACK');
$this->simple_query('SET AUTOCOMMIT=1');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
if (function_exists('mysql_real_escape_string') AND is_resource($this->conn_id))
{
$str = mysql_real_escape_string($str, $this->conn_id);
}
elseif (function_exists('mysql_escape_string'))
{
$str = mysql_escape_string($str);
}
else
{
$str = addslashes($str);
}
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace(array('%', '_'), array('\\%', '\\_'), $str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @mysql_affected_rows($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id()
{
return @mysql_insert_id($this->conn_id);
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SHOW TABLES FROM ".$this->_escape_char.$this->database.$this->_escape_char;
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "DESCRIBE ".$table;
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return mysql_error($this->conn_id);
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return mysql_errno($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Replace statement
*
* Generates a platform-specific replace string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _replace($table, $keys, $values)
{
return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert_batch($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key . ' = ' . $val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @return string
*/
function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
$where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
foreach ($values as $key => $val)
{
$ids[] = $val[$index];
foreach (array_keys($val) as $field)
{
if ($field != $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
}
}
$sql = "UPDATE ".$table." SET ";
$cases = '';
foreach ($final as $k => $v)
{
$cases .= $k.' = CASE '."\n";
foreach ($v as $row)
{
$cases .= $row."\n";
}
$cases .= 'ELSE '.$k.' END, ';
}
$sql .= substr($cases, 0, -2);
$sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return "TRUNCATE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
if ($offset == 0)
{
$offset = '';
}
else
{
$offset .= ", ";
}
return $sql."LIMIT ".$offset.$limit;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@mysql_close($conn_id);
}
}
/* End of file mysql_driver.php */
/* Location: ./system/database/drivers/mysql/mysql_driver.php */ | 069h-course-management | trunk/ci/system/database/drivers/mysql/mysql_driver.php | PHP | mit | 17,371 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQL Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database($name)
{
return "CREATE DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
return "DROP DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Process Fields
*
* @access private
* @param mixed the fields
* @return string
*/
function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
if (array_key_exists('NAME', $attributes))
{
$sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
}
if (array_key_exists('TYPE', $attributes))
{
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
switch ($attributes['TYPE'])
{
case 'decimal':
case 'float':
case 'numeric':
$sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
break;
case 'enum':
case 'set':
$sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
break;
default:
$sql .= '('.$attributes['CONSTRAINT'].')';
}
}
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param mixed the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$sql .= $this->_process_fields($fields);
if (count($primary_keys) > 0)
{
$key_name = $this->db->_protect_identifiers(implode('_', $primary_keys));
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY ".$key_name." (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key_name = $this->db->_protect_identifiers(implode('_', $key));
$key = $this->db->_protect_identifiers($key);
}
else
{
$key_name = $this->db->_protect_identifiers($key);
$key = array($key_name);
}
$sql .= ",\n\tKEY {$key_name} (" . implode(', ', $key) . ")";
}
}
$sql .= "\n) DEFAULT CHARACTER SET {$this->db->char_set} COLLATE {$this->db->dbcollat};";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return string
*/
function _drop_table($table)
{
return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param array fields
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $fields, $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql.$this->db->_protect_identifiers($fields);
}
$sql .= $this->_process_fields($fields);
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file mysql_forge.php */
/* Location: ./system/database/drivers/mysql/mysql_forge.php */ | 069h-course-management | trunk/ci/system/database/drivers/mysql/mysql_forge.php | PHP | mit | 6,441 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/database/drivers/index.html | HTML | mit | 114 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/database/drivers/mssql/index.html | HTML | mit | 114 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MS SQL Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
return "EXEC sp_helpdb"; // Can also be: EXEC sp_databases
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return FALSE; // Is this supported in MS SQL?
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return FALSE; // Is this supported in MS SQL?
}
// --------------------------------------------------------------------
/**
* MSSQL Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file mssql_utility.php */
/* Location: ./system/database/drivers/mssql/mssql_utility.php */ | 069h-course-management | trunk/ci/system/database/drivers/mssql/mssql_utility.php | PHP | mit | 1,978 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MS SQL Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_driver extends CI_DB {
var $dbdriver = 'mssql';
// The character used for escaping
var $_escape_char = '';
// clause and character used for LIKE escape sequences
var $_like_escape_str = " ESCAPE '%s' ";
var $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword = ' ASC'; // not currently supported
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
if ($this->port != '')
{
$this->hostname .= ','.$this->port;
}
return @mssql_connect($this->hostname, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
if ($this->port != '')
{
$this->hostname .= ','.$this->port;
}
return @mssql_pconnect($this->hostname, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
// not implemented in MSSQL
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
// Note: The brackets are required in the event that the DB name
// contains reserved characters
return @mssql_select_db('['.$this->database.']', $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return @mssql_query($sql, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
$this->simple_query('BEGIN TRAN');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('COMMIT TRAN');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('ROLLBACK TRAN');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
// Escape single quotes
$str = str_replace("'", "''", remove_invisible_characters($str));
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace(
array($this->_like_escape_chr, '%', '_'),
array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
$str
);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @mssql_rows_affected($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* Returns the last id created in the Identity column.
*
* @access public
* @return integer
*/
function insert_id()
{
$ver = self::_parse_major_version($this->version());
$sql = ($ver >= 8 ? "SELECT SCOPE_IDENTITY() AS last_id" : "SELECT @@IDENTITY AS last_id");
$query = $this->query($sql);
$row = $query->row();
return $row->last_id;
}
// --------------------------------------------------------------------
/**
* Parse major version
*
* Grabs the major version number from the
* database server version string passed in.
*
* @access private
* @param string $version
* @return int16 major version number
*/
function _parse_major_version($version)
{
preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info);
return $ver_info[1]; // return the major version b/c that's all we're interested in.
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return "SELECT @@VERSION AS ver";
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name";
// for future compatibility
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
//$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
return FALSE; // not currently supported
}
return $sql;
}
// --------------------------------------------------------------------
/**
* List column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access private
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$table."'";
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT TOP 1 * FROM ".$table;
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return mssql_get_last_message();
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
// Are error numbers supported?
return '';
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return implode(', ', $tables);
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return "TRUNCATE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
$i = $limit + $offset;
return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql);
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@mssql_close($conn_id);
}
}
/* End of file mssql_driver.php */
/* Location: ./system/database/drivers/mssql/mssql_driver.php */ | 069h-course-management | trunk/ci/system/database/drivers/mssql/mssql_driver.php | PHP | mit | 14,836 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MS SQL Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database($name)
{
return "CREATE DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
return "DROP DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return bool
*/
function _drop_table($table)
{
return "DROP TABLE ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
}
}
$sql .= "\n)";
return $sql;
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
// I think this syntax will work, but can find little documentation on renaming tables in MSSQL
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file mssql_forge.php */
/* Location: ./system/database/drivers/mssql/mssql_forge.php */ | 069h-course-management | trunk/ci/system/database/drivers/mssql/mssql_forge.php | PHP | mit | 5,792 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MS SQL Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @mssql_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @mssql_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
while ($field = mssql_fetch_field($this->result_id))
{
$field_names[] = $field->name;
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
while ($field = mssql_fetch_field($this->result_id))
{
$F = new stdClass();
$F->name = $field->name;
$F->type = $field->type;
$F->max_length = $field->max_length;
$F->primary_key = 0;
$F->default = '';
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_resource($this->result_id))
{
mssql_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return mssql_data_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return mssql_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return mssql_fetch_object($this->result_id);
}
}
/* End of file mssql_result.php */
/* Location: ./system/database/drivers/mssql/mssql_result.php */ | 069h-course-management | trunk/ci/system/database/drivers/mssql/mssql_result.php | PHP | mit | 3,373 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/database/drivers/cubrid/index.html | HTML | mit | 114 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author Esen Sagynov
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 2.0.2
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CUBRID Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author Esen Sagynov
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_cubrid_driver extends CI_DB {
// Default CUBRID Broker port. Will be used unless user
// explicitly specifies another one.
const DEFAULT_PORT = 33000;
var $dbdriver = 'cubrid';
// The character used for escaping - no need in CUBRID
var $_escape_char = '';
// clause and character used for LIKE escape sequences - not used in CUBRID
var $_like_escape_str = '';
var $_like_escape_chr = '';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = 'SELECT COUNT(*) AS ';
var $_random_keyword = ' RAND()'; // database specific random keyword
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
// If no port is defined by the user, use the default value
if ($this->port == '')
{
$this->port = self::DEFAULT_PORT;
}
$conn = cubrid_connect($this->hostname, $this->port, $this->database, $this->username, $this->password);
if ($conn)
{
// Check if a user wants to run queries in dry, i.e. run the
// queries but not commit them.
if (isset($this->auto_commit) && ! $this->auto_commit)
{
cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_FALSE);
}
else
{
cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_TRUE);
$this->auto_commit = TRUE;
}
}
return $conn;
}
// --------------------------------------------------------------------
/**
* Persistent database connection
* In CUBRID persistent DB connection is supported natively in CUBRID
* engine which can be configured in the CUBRID Broker configuration
* file by setting the CCI_PCONNECT parameter to ON. In that case, all
* connections established between the client application and the
* server will become persistent. This is calling the same
* @cubrid_connect function will establish persisten connection
* considering that the CCI_PCONNECT is ON.
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
return $this->db_connect();
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
if (cubrid_ping($this->conn_id) === FALSE)
{
$this->conn_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
// In CUBRID there is no need to select a database as the database
// is chosen at the connection time.
// So, to determine if the database is "selected", all we have to
// do is ping the server and return that value.
return cubrid_ping($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// In CUBRID, there is no need to set charset or collation.
// This is why returning true will allow the application continue
// its normal process.
return TRUE;
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
// To obtain the CUBRID Server version, no need to run the SQL query.
// CUBRID PHP API provides a function to determin this value.
// This is why we also need to add 'cubrid' value to the list of
// $driver_version_exceptions array in DB_driver class in
// version() function.
return cubrid_get_server_info($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return @cubrid_query($sql, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
// No need to prepare
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
if (cubrid_get_autocommit($this->conn_id))
{
cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_FALSE);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
cubrid_commit($this->conn_id);
if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id))
{
cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
cubrid_rollback($this->conn_id);
if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id))
{
cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
if (function_exists('cubrid_real_escape_string') AND is_resource($this->conn_id))
{
$str = cubrid_real_escape_string($str, $this->conn_id);
}
else
{
$str = addslashes($str);
}
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace(array('%', '_'), array('\\%', '\\_'), $str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @cubrid_affected_rows($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id()
{
return @cubrid_insert_id($this->conn_id);
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified table
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SHOW TABLES";
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT * FROM ".$table." LIMIT 1";
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return cubrid_error($this->conn_id);
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return cubrid_errno($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Replace statement
*
* Generates a platform-specific replace string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _replace($table, $keys, $values)
{
return "REPLACE INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert_batch($table, $keys, $values)
{
return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES ".implode(', ', $values);
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = sprintf('"%s" = %s', $key, $val);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @return string
*/
function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
$where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
foreach ($values as $key => $val)
{
$ids[] = $val[$index];
foreach (array_keys($val) as $field)
{
if ($field != $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
}
}
$sql = "UPDATE ".$table." SET ";
$cases = '';
foreach ($final as $k => $v)
{
$cases .= $k.' = CASE '."\n";
foreach ($v as $row)
{
$cases .= $row."\n";
}
$cases .= 'ELSE '.$k.' END, ';
}
$sql .= substr($cases, 0, -2);
$sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return "TRUNCATE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
if ($offset == 0)
{
$offset = '';
}
else
{
$offset .= ", ";
}
return $sql."LIMIT ".$offset.$limit;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@cubrid_close($conn_id);
}
}
/* End of file cubrid_driver.php */
/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */ | 069h-course-management | trunk/ci/system/database/drivers/cubrid/cubrid_driver.php | PHP | mit | 17,892 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author Esen Sagynov
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CUBRID Forge Class
*
* @category Database
* @author Esen Sagynov
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_cubrid_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database($name)
{
// CUBRID does not allow to create a database in SQL. The GUI tools
// have to be used for this purpose.
return FALSE;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
// CUBRID does not allow to drop a database in SQL. The GUI tools
// have to be used for this purpose.
return FALSE;
}
// --------------------------------------------------------------------
/**
* Process Fields
*
* @access private
* @param mixed the fields
* @return string
*/
function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t\"" . $this->db->_protect_identifiers($field) . "\"";
if (array_key_exists('NAME', $attributes))
{
$sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
}
if (array_key_exists('TYPE', $attributes))
{
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
switch ($attributes['TYPE'])
{
case 'decimal':
case 'float':
case 'numeric':
$sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
break;
case 'enum': // As of version 8.4.0 CUBRID does not support
// enum data type.
break;
case 'set':
$sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
break;
default:
$sql .= '('.$attributes['CONSTRAINT'].')';
}
}
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
//$sql .= ' UNSIGNED';
// As of version 8.4.0 CUBRID does not support UNSIGNED INTEGER data type.
// Will be supported in the next release as a part of MySQL Compatibility.
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE)
{
$sql .= ' UNIQUE';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param mixed the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
//$sql .= 'IF NOT EXISTS ';
// As of version 8.4.0 CUBRID does not support this SQL syntax.
}
$sql .= $this->db->_escape_identifiers($table)." (";
$sql .= $this->_process_fields($fields);
// If there is a PK defined
if (count($primary_keys) > 0)
{
$key_name = "pk_" . $table . "_" .
$this->db->_protect_identifiers(implode('_', $primary_keys));
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tCONSTRAINT " . $key_name . " PRIMARY KEY(" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key_name = $this->db->_protect_identifiers(implode('_', $key));
$key = $this->db->_protect_identifiers($key);
}
else
{
$key_name = $this->db->_protect_identifiers($key);
$key = array($key_name);
}
$sql .= ",\n\tKEY \"{$key_name}\" (" . implode(', ', $key) . ")";
}
}
$sql .= "\n);";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return string
*/
function _drop_table($table)
{
return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param array fields
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $fields, $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql.$this->db->_protect_identifiers($fields);
}
$sql .= $this->_process_fields($fields);
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'RENAME TABLE '.$this->db->_protect_identifiers($table_name)." AS ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file cubrid_forge.php */
/* Location: ./system/database/drivers/cubrid/cubrid_forge.php */ | 069h-course-management | trunk/ci/system/database/drivers/cubrid/cubrid_forge.php | PHP | mit | 7,059 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author Esen Sagynov
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CUBRID Utility Class
*
* @category Database
* @author Esen Sagynov
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_cubrid_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return array
*/
function _list_databases()
{
// CUBRID does not allow to see the list of all databases on the
// server. It is the way its architecture is designed. Every
// database is independent and isolated.
// For this reason we can return only the name of the currect
// connected database.
if ($this->conn_id)
{
return "SELECT '" . $this->database . "'";
}
else
{
return FALSE;
}
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
* @link http://www.cubrid.org/manual/840/en/Optimize%20Database
*/
function _optimize_table($table)
{
// No SQL based support in CUBRID as of version 8.4.0. Database or
// table optimization can be performed using CUBRID Manager
// database administration tool. See the link above for more info.
return FALSE;
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
* @link http://www.cubrid.org/manual/840/en/Checking%20Database%20Consistency
*/
function _repair_table($table)
{
// Not supported in CUBRID as of version 8.4.0. Database or
// table consistency can be checked using CUBRID Manager
// database administration tool. See the link above for more info.
return FALSE;
}
// --------------------------------------------------------------------
/**
* CUBRID Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// No SQL based support in CUBRID as of version 8.4.0. Database or
// table backup can be performed using CUBRID Manager
// database administration tool.
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file cubrid_utility.php */
/* Location: ./system/database/drivers/cubrid/cubrid_utility.php */ | 069h-course-management | trunk/ci/system/database/drivers/cubrid/cubrid_utility.php | PHP | mit | 2,871 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author Esen Sagynov
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 2.0.2
* @filesource
*/
// --------------------------------------------------------------------
/**
* CUBRID Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author Esen Sagynov
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_cubrid_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @cubrid_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @cubrid_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
return cubrid_column_names($this->result_id);
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
$tablePrimaryKeys = array();
while ($field = cubrid_fetch_field($this->result_id))
{
$F = new stdClass();
$F->name = $field->name;
$F->type = $field->type;
$F->default = $field->def;
$F->max_length = $field->max_length;
// At this moment primary_key property is not returned when
// cubrid_fetch_field is called. The following code will
// provide a patch for it. primary_key property will be added
// in the next release.
// TODO: later version of CUBRID will provide primary_key
// property.
// When PK is defined in CUBRID, an index is automatically
// created in the db_index system table in the form of
// pk_tblname_fieldname. So the following will count how many
// columns are there which satisfy this format.
// The query will search for exact single columns, thus
// compound PK is not supported.
$res = cubrid_query($this->conn_id,
"SELECT COUNT(*) FROM db_index WHERE class_name = '" . $field->table .
"' AND is_primary_key = 'YES' AND index_name = 'pk_" .
$field->table . "_" . $field->name . "'"
);
if ($res)
{
$row = cubrid_fetch_array($res, CUBRID_NUM);
$F->primary_key = ($row[0] > 0 ? 1 : null);
}
else
{
$F->primary_key = null;
}
if (is_resource($res))
{
cubrid_close_request($res);
$this->result_id = FALSE;
}
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if(is_resource($this->result_id) ||
get_resource_type($this->result_id) == "Unknown" &&
preg_match('/Resource id #/', strval($this->result_id)))
{
cubrid_close_request($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return cubrid_data_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return cubrid_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return cubrid_fetch_object($this->result_id);
}
}
/* End of file cubrid_result.php */
/* Location: ./system/database/drivers/cubrid/cubrid_result.php */ | 069h-course-management | trunk/ci/system/database/drivers/cubrid/cubrid_result.php | PHP | mit | 4,506 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @author EllisLab Dev Team
* @link http://codeigniter.com
* @since Version 2.1.2
* @filesource
*/
// ------------------------------------------------------------------------
/**
* PDO Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_driver extends CI_DB {
var $dbdriver = 'pdo';
// the character used to excape - not necessary for PDO
var $_escape_char = '';
var $_like_escape_str;
var $_like_escape_chr;
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword;
var $options = array();
function __construct($params)
{
parent::__construct($params);
// clause and character used for LIKE escape sequences
if (strpos($this->hostname, 'mysql') !== FALSE)
{
$this->_like_escape_str = '';
$this->_like_escape_chr = '';
//Prior to this version, the charset can't be set in the dsn
if(is_php('5.3.6'))
{
$this->hostname .= ";charset={$this->char_set}";
}
//Set the charset with the connection options
$this->options['PDO::MYSQL_ATTR_INIT_COMMAND'] = "SET NAMES {$this->char_set}";
}
elseif (strpos($this->hostname, 'odbc') !== FALSE)
{
$this->_like_escape_str = " {escape '%s'} ";
$this->_like_escape_chr = '!';
}
else
{
$this->_like_escape_str = " ESCAPE '%s' ";
$this->_like_escape_chr = '!';
}
empty($this->database) OR $this->hostname .= ';dbname='.$this->database;
$this->trans_enabled = FALSE;
$this->_random_keyword = ' RND('.time().')'; // database specific random keyword
}
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
$this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT;
return new PDO($this->hostname, $this->username, $this->password, $this->options);
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
$this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT;
$this->options['PDO::ATTR_PERSISTENT'] = TRUE;
return new PDO($this->hostname, $this->username, $this->password, $this->options);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
// Not needed for PDO
return TRUE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return $this->conn_id->getAttribute(PDO::ATTR_CLIENT_VERSION);
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return object
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
$result_id = $this->conn_id->prepare($sql);
$result_id->execute();
if (is_object($result_id))
{
if (is_numeric(stripos($sql, 'SELECT')))
{
$this->affect_rows = count($result_id->fetchAll());
$result_id->execute();
}
else
{
$this->affect_rows = $result_id->rowCount();
}
}
else
{
$this->affect_rows = 0;
}
return $result_id;
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = (bool) ($test_mode === TRUE);
return $this->conn_id->beginTransaction();
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$ret = $this->conn->commit();
return $ret;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$ret = $this->conn_id->rollBack();
return $ret;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
//Escape the string
$str = $this->conn_id->quote($str);
//If there are duplicated quotes, trim them away
if (strpos($str, "'") === 0)
{
$str = substr($str, 1, -1);
}
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace( array('%', '_', $this->_like_escape_chr),
array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
$str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return $this->affect_rows;
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id($name=NULL)
{
//Convenience method for postgres insertid
if (strpos($this->hostname, 'pgsql') !== FALSE)
{
$v = $this->_version();
$table = func_num_args() > 0 ? func_get_arg(0) : NULL;
if ($table == NULL && $v >= '8.1')
{
$sql='SELECT LASTVAL() as ins_id';
}
$query = $this->query($sql);
$row = $query->row();
return $row->ins_id;
}
else
{
return $this->conn_id->lastInsertId($name);
}
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SHOW TABLES FROM `".$this->database."`";
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
//$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
return FALSE; // not currently supported
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SHOW COLUMNS FROM ".$table;
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT TOP 1 FROM ".$table;
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
$error_array = $this->conn_id->errorInfo();
return $error_array[2];
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return $this->conn_id->errorCode();
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return (count($tables) == 1) ? $tables[0] : '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert_batch($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @return string
*/
function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
$where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
foreach ($values as $key => $val)
{
$ids[] = $val[$index];
foreach (array_keys($val) as $field)
{
if ($field != $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
}
}
$sql = "UPDATE ".$table." SET ";
$cases = '';
foreach ($final as $k => $v)
{
$cases .= $k.' = CASE '."\n";
foreach ($v as $row)
{
$cases .= $row."\n";
}
$cases .= 'ELSE '.$k.' END, ';
}
$sql .= substr($cases, 0, -2);
$sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return $this->_delete($table);
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
if (strpos($this->hostname, 'cubrid') !== FALSE || strpos($this->hostname, 'sqlite') !== FALSE)
{
if ($offset == 0)
{
$offset = '';
}
else
{
$offset .= ", ";
}
return $sql."LIMIT ".$offset.$limit;
}
else
{
$sql .= "LIMIT ".$limit;
if ($offset > 0)
{
$sql .= " OFFSET ".$offset;
}
return $sql;
}
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
$this->conn_id = null;
}
}
/* End of file pdo_driver.php */
/* Location: ./system/database/drivers/pdo/pdo_driver.php */ | 069h-course-management | trunk/ci/system/database/drivers/pdo/pdo_driver.php | PHP | mit | 17,606 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/database/drivers/pdo/index.html | HTML | mit | 114 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @author EllisLab Dev Team
* @link http://codeigniter.com
* @since Version 2.1.2
* @filesource
*/
// ------------------------------------------------------------------------
/**
* PDO Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link http://codeigniter.com/database/
*/
class CI_DB_pdo_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database()
{
// PDO has no "create database" command since it's
// designed to connect to an existing database
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
// PDO has no "drop database" command since it's
// designed to connect to an existing database
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
}
}
$sql .= "\n)";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return bool
*/
function _drop_table($table)
{
// Not a supported PDO feature
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file pdo_forge.php */
/* Location: ./system/database/drivers/pdo/pdo_forge.php */ | 069h-course-management | trunk/ci/system/database/drivers/pdo/pdo_forge.php | PHP | mit | 6,095 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @author EllisLab Dev Team
* @link http://codeigniter.com
* @since Version 2.1.2
* @filesource
*/
// ------------------------------------------------------------------------
/**
* PDO Utility Class
*
* @category Database
* @author EllisLab Dev Team
* @link http://codeigniter.com/database/
*/
class CI_DB_pdo_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
// Not sure if PDO lets you list all databases...
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
// Not a supported PDO feature
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
// Not a supported PDO feature
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* PDO Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file pdo_utility.php */
/* Location: ./system/database/drivers/pdo/pdo_utility.php */ | 069h-course-management | trunk/ci/system/database/drivers/pdo/pdo_utility.php | PHP | mit | 2,237 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @author EllisLab Dev Team
* @link http://codeigniter.com
* @since Version 2.1.2
* @filesource
*/
// ------------------------------------------------------------------------
/**
* PDO Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_result extends CI_DB_result {
public $num_rows;
/**
* Number of rows in the result set
*
* @return int
*/
public function num_rows()
{
if (is_int($this->num_rows))
{
return $this->num_rows;
}
elseif (($this->num_rows = $this->result_id->rowCount()) > 0)
{
return $this->num_rows;
}
$this->num_rows = count($this->result_id->fetchAll());
$this->result_id->execute();
return $this->num_rows;
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return $this->result_id->columnCount();
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$data = array();
try
{
for($i = 0; $i < $this->num_fields(); $i++)
{
$data[] = $this->result_id->getColumnMeta($i);
}
return $data;
}
catch (Exception $e)
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_object($this->result_id))
{
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return $this->result_id->fetch(PDO::FETCH_ASSOC);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return $this->result_id->fetchObject();
}
}
/* End of file pdo_result.php */
/* Location: ./system/database/drivers/pdo/pdo_result.php */ | 069h-course-management | trunk/ci/system/database/drivers/pdo/pdo_result.php | PHP | mit | 3,495 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/database/drivers/odbc/index.html | HTML | mit | 114 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* ODBC Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_odbc_driver extends CI_DB {
var $dbdriver = 'odbc';
// the character used to excape - not necessary for ODBC
var $_escape_char = '';
// clause and character used for LIKE escape sequences
var $_like_escape_str = " {escape '%s'} ";
var $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword;
function __construct($params)
{
parent::__construct($params);
$this->_random_keyword = ' RND('.time().')'; // database specific random keyword
}
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
return @odbc_connect($this->hostname, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
return @odbc_pconnect($this->hostname, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
// not implemented in odbc
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
// Not needed for ODBC
return TRUE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return "SELECT version() AS ver";
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return @odbc_exec($this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
return odbc_autocommit($this->conn_id, FALSE);
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$ret = odbc_commit($this->conn_id);
odbc_autocommit($this->conn_id, TRUE);
return $ret;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$ret = odbc_rollback($this->conn_id);
odbc_autocommit($this->conn_id, TRUE);
return $ret;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
// ODBC doesn't require escaping
$str = remove_invisible_characters($str);
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace( array('%', '_', $this->_like_escape_chr),
array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
$str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @odbc_num_rows($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id()
{
return @odbc_insert_id($this->conn_id);
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SHOW TABLES FROM `".$this->database."`";
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
//$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
return FALSE; // not currently supported
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SHOW COLUMNS FROM ".$table;
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT TOP 1 FROM ".$table;
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return odbc_errormsg($this->conn_id);
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return odbc_error($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return $this->_delete($table);
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
// Does ODBC doesn't use the LIMIT clause?
return $sql;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@odbc_close($conn_id);
}
}
/* End of file odbc_driver.php */
/* Location: ./system/database/drivers/odbc/odbc_driver.php */ | 069h-course-management | trunk/ci/system/database/drivers/odbc/odbc_driver.php | PHP | mit | 13,894 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* ODBC Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/database/
*/
class CI_DB_odbc_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database()
{
// ODBC has no "create database" command since it's
// designed to connect to an existing database
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
// ODBC has no "drop database" command since it's
// designed to connect to an existing database
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
}
}
$sql .= "\n)";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return bool
*/
function _drop_table($table)
{
// Not a supported ODBC feature
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file odbc_forge.php */
/* Location: ./system/database/drivers/odbc/odbc_forge.php */ | 069h-course-management | trunk/ci/system/database/drivers/odbc/odbc_forge.php | PHP | mit | 6,117 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* ODBC Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_odbc_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @odbc_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @odbc_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
for ($i = 0; $i < $this->num_fields(); $i++)
{
$field_names[] = odbc_field_name($this->result_id, $i);
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
for ($i = 0; $i < $this->num_fields(); $i++)
{
$F = new stdClass();
$F->name = odbc_field_name($this->result_id, $i);
$F->type = odbc_field_type($this->result_id, $i);
$F->max_length = odbc_field_len($this->result_id, $i);
$F->primary_key = 0;
$F->default = '';
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_resource($this->result_id))
{
odbc_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
if (function_exists('odbc_fetch_object'))
{
return odbc_fetch_array($this->result_id);
}
else
{
return $this->_odbc_fetch_array($this->result_id);
}
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
if (function_exists('odbc_fetch_object'))
{
return odbc_fetch_object($this->result_id);
}
else
{
return $this->_odbc_fetch_object($this->result_id);
}
}
/**
* Result - object
*
* subsititutes the odbc_fetch_object function when
* not available (odbc_fetch_object requires unixODBC)
*
* @access private
* @return object
*/
function _odbc_fetch_object(& $odbc_result) {
$rs = array();
$rs_obj = FALSE;
if (odbc_fetch_into($odbc_result, $rs)) {
foreach ($rs as $k=>$v) {
$field_name= odbc_field_name($odbc_result, $k+1);
$rs_obj->$field_name = $v;
}
}
return $rs_obj;
}
/**
* Result - array
*
* subsititutes the odbc_fetch_array function when
* not available (odbc_fetch_array requires unixODBC)
*
* @access private
* @return array
*/
function _odbc_fetch_array(& $odbc_result) {
$rs = array();
$rs_assoc = FALSE;
if (odbc_fetch_into($odbc_result, $rs)) {
$rs_assoc=array();
foreach ($rs as $k=>$v) {
$field_name= odbc_field_name($odbc_result, $k+1);
$rs_assoc[$field_name] = $v;
}
}
return $rs_assoc;
}
}
/* End of file odbc_result.php */
/* Location: ./system/database/drivers/odbc/odbc_result.php */ | 069h-course-management | trunk/ci/system/database/drivers/odbc/odbc_result.php | PHP | mit | 4,593 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* ODBC Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/database/
*/
class CI_DB_odbc_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
// Not sure if ODBC lets you list all databases...
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
// Not a supported ODBC feature
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
// Not a supported ODBC feature
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* ODBC Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file odbc_utility.php */
/* Location: ./system/database/drivers/odbc/odbc_utility.php */ | 069h-course-management | trunk/ci/system/database/drivers/odbc/odbc_utility.php | PHP | mit | 2,260 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/database/drivers/postgre/index.html | HTML | mit | 114 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Postgre Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_postgre_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
return "SELECT datname FROM pg_database";
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Is table optimization supported in Postgre?
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Are table repairs supported in Postgre?
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Postgre Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file postgre_utility.php */
/* Location: ./system/database/drivers/postgre/postgre_utility.php */ | 069h-course-management | trunk/ci/system/database/drivers/postgre/postgre_utility.php | PHP | mit | 1,855 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Postgres Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_postgre_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @pg_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @pg_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
for ($i = 0; $i < $this->num_fields(); $i++)
{
$field_names[] = pg_field_name($this->result_id, $i);
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
for ($i = 0; $i < $this->num_fields(); $i++)
{
$F = new stdClass();
$F->name = pg_field_name($this->result_id, $i);
$F->type = pg_field_type($this->result_id, $i);
$F->max_length = pg_field_size($this->result_id, $i);
$F->primary_key = 0;
$F->default = '';
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_resource($this->result_id))
{
pg_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return pg_result_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return pg_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return pg_fetch_object($this->result_id);
}
}
/* End of file postgre_result.php */
/* Location: ./system/database/drivers/postgre/postgre_result.php */ | 069h-course-management | trunk/ci/system/database/drivers/postgre/postgre_result.php | PHP | mit | 3,437 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Postgre Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_postgre_driver extends CI_DB {
var $dbdriver = 'postgre';
var $_escape_char = '"';
// clause and character used for LIKE escape sequences
var $_like_escape_str = " ESCAPE '%s' ";
var $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword = ' RANDOM()'; // database specific random keyword
/**
* Connection String
*
* @access private
* @return string
*/
function _connect_string()
{
$components = array(
'hostname' => 'host',
'port' => 'port',
'database' => 'dbname',
'username' => 'user',
'password' => 'password'
);
$connect_string = "";
foreach ($components as $key => $val)
{
if (isset($this->$key) && $this->$key != '')
{
$connect_string .= " $val=".$this->$key;
}
}
return trim($connect_string);
}
// --------------------------------------------------------------------
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
return @pg_connect($this->_connect_string());
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
return @pg_pconnect($this->_connect_string());
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
if (pg_ping($this->conn_id) === FALSE)
{
$this->conn_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
// Not needed for Postgre so we'll return TRUE
return TRUE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return "SELECT version() AS ver";
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return @pg_query($this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
return @pg_exec($this->conn_id, "begin");
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
return @pg_exec($this->conn_id, "commit");
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
return @pg_exec($this->conn_id, "rollback");
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
$str = pg_escape_string($str);
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace( array('%', '_', $this->_like_escape_chr),
array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
$str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @pg_affected_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id()
{
$v = $this->_version();
$v = $v['server'];
$table = func_num_args() > 0 ? func_get_arg(0) : NULL;
$column = func_num_args() > 1 ? func_get_arg(1) : NULL;
if ($table == NULL && $v >= '8.1')
{
$sql='SELECT LASTVAL() as ins_id';
}
elseif ($table != NULL && $column != NULL && $v >= '8.0')
{
$sql = sprintf("SELECT pg_get_serial_sequence('%s','%s') as seq", $table, $column);
$query = $this->query($sql);
$row = $query->row();
$sql = sprintf("SELECT CURRVAL('%s') as ins_id", $row->seq);
}
elseif ($table != NULL)
{
// seq_name passed in table parameter
$sql = sprintf("SELECT CURRVAL('%s') as ins_id", $table);
}
else
{
return pg_last_oid($this->result_id);
}
$query = $this->query($sql);
$row = $query->row();
return $row->ins_id;
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'";
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
$sql .= " AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SELECT column_name FROM information_schema.columns WHERE table_name ='".$table."'";
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT * FROM ".$table." LIMIT 1";
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return pg_last_error($this->conn_id);
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return '';
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return implode(', ', $tables);
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert_batch($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return "TRUNCATE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
$sql .= "LIMIT ".$limit;
if ($offset > 0)
{
$sql .= " OFFSET ".$offset;
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@pg_close($conn_id);
}
}
/* End of file postgre_driver.php */
/* Location: ./system/database/drivers/postgre/postgre_driver.php */ | 069h-course-management | trunk/ci/system/database/drivers/postgre/postgre_driver.php | PHP | mit | 15,511 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Postgre Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_postgre_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database($name)
{
return "CREATE DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
return "DROP DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
if ($this->db->table_exists($table))
{
return "SELECT * FROM $table"; // Needs to return innocous but valid SQL statement
}
}
$sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$is_unsigned = (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE);
// Convert datatypes to be PostgreSQL-compatible
switch (strtoupper($attributes['TYPE']))
{
case 'TINYINT':
$attributes['TYPE'] = 'SMALLINT';
break;
case 'SMALLINT':
$attributes['TYPE'] = ($is_unsigned) ? 'INTEGER' : 'SMALLINT';
break;
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
break;
case 'INT':
$attributes['TYPE'] = ($is_unsigned) ? 'BIGINT' : 'INTEGER';
break;
case 'BIGINT':
$attributes['TYPE'] = ($is_unsigned) ? 'NUMERIC' : 'BIGINT';
break;
case 'DOUBLE':
$attributes['TYPE'] = 'DOUBLE PRECISION';
break;
case 'DATETIME':
$attributes['TYPE'] = 'TIMESTAMP';
break;
case 'LONGTEXT':
$attributes['TYPE'] = 'TEXT';
break;
case 'BLOB':
$attributes['TYPE'] = 'BYTEA';
break;
}
// If this is an auto-incrementing primary key, use the serial data type instead
if (in_array($field, $primary_keys) && array_key_exists('AUTO_INCREMENT', $attributes)
&& $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' SERIAL';
}
else
{
$sql .= ' '.$attributes['TYPE'];
}
// Modified to prevent constraints with integer data types
if (array_key_exists('CONSTRAINT', $attributes) && strpos($attributes['TYPE'], 'INT') === false)
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
// Added new attribute to create unqite fields. Also works with MySQL
if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE)
{
$sql .= ' UNIQUE';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
// Something seems to break when passing an array to _protect_identifiers()
foreach ($primary_keys as $index => $key)
{
$primary_keys[$index] = $this->db->_protect_identifiers($key);
}
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
$sql .= "\n);";
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
foreach ($key as $field)
{
$sql .= "CREATE INDEX " . $table . "_" . str_replace(array('"', "'"), '', $field) . "_index ON $table ($field); ";
}
}
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return bool
*/
function _drop_table($table)
{
return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table)." CASCADE";
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file postgre_forge.php */
/* Location: ./system/database/drivers/postgre/postgre_forge.php */ | 069h-course-management | trunk/ci/system/database/drivers/postgre/postgre_forge.php | PHP | mit | 7,350 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLite Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlite_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @sqlite_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @sqlite_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
for ($i = 0; $i < $this->num_fields(); $i++)
{
$field_names[] = sqlite_field_name($this->result_id, $i);
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
for ($i = 0; $i < $this->num_fields(); $i++)
{
$F = new stdClass();
$F->name = sqlite_field_name($this->result_id, $i);
$F->type = 'varchar';
$F->max_length = 0;
$F->primary_key = 0;
$F->default = '';
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
// Not implemented in SQLite
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return sqlite_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return sqlite_fetch_array($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
if (function_exists('sqlite_fetch_object'))
{
return sqlite_fetch_object($this->result_id);
}
else
{
$arr = sqlite_fetch_array($this->result_id, SQLITE_ASSOC);
if (is_array($arr))
{
$obj = (object) $arr;
return $obj;
} else {
return NULL;
}
}
}
}
/* End of file sqlite_result.php */
/* Location: ./system/database/drivers/sqlite/sqlite_result.php */ | 069h-course-management | trunk/ci/system/database/drivers/sqlite/sqlite_result.php | PHP | mit | 3,549 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/database/drivers/sqlite/index.html | HTML | mit | 114 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLite Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlite_utility extends CI_DB_utility {
/**
* List databases
*
* I don't believe you can do a database listing with SQLite
* since each database is its own file. I suppose we could
* try reading a directory looking for SQLite files, but
* that doesn't seem like a terribly good idea
*
* @access private
* @return bool
*/
function _list_databases()
{
if ($this->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return array();
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Is optimization even supported in SQLite?
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Are table repairs even supported in SQLite?
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* SQLite Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file sqlite_utility.php */
/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */ | 069h-course-management | trunk/ci/system/database/drivers/sqlite/sqlite_utility.php | PHP | mit | 2,149 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLite Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlite_forge extends CI_DB_forge {
/**
* Create database
*
* @access public
* @param string the database name
* @return bool
*/
function _create_database()
{
// In SQLite, a database is created when you connect to the database.
// We'll return TRUE so that an error isn't generated
return TRUE;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
if ( ! @file_exists($this->db->database) OR ! @unlink($this->db->database))
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unable_to_drop');
}
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
// IF NOT EXISTS added to SQLite in 3.3.0
if ($if_not_exists === TRUE && version_compare($this->db->_version(), '3.3.0', '>=') === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)."(";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
$sql .= ",\n\tUNIQUE (" . implode(', ', $key) . ")";
}
}
$sql .= "\n)";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* Unsupported feature in SQLite
*
* @access private
* @return bool
*/
function _drop_table($table)
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return array();
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
// SQLite does not support dropping columns
// http://www.sqlite.org/omitted.html
// http://www.sqlite.org/faq.html#q11
return FALSE;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file sqlite_forge.php */
/* Location: ./system/database/drivers/sqlite/sqlite_forge.php */ | 069h-course-management | trunk/ci/system/database/drivers/sqlite/sqlite_forge.php | PHP | mit | 6,303 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLite Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlite_driver extends CI_DB {
var $dbdriver = 'sqlite';
// The character used to escape with - not needed for SQLite
var $_escape_char = '';
// clause and character used for LIKE escape sequences
var $_like_escape_str = " ESCAPE '%s' ";
var $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword = ' Random()'; // database specific random keyword
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
if ( ! $conn_id = @sqlite_open($this->database, FILE_WRITE_MODE, $error))
{
log_message('error', $error);
if ($this->db_debug)
{
$this->display_error($error, '', TRUE);
}
return FALSE;
}
return $conn_id;
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
if ( ! $conn_id = @sqlite_popen($this->database, FILE_WRITE_MODE, $error))
{
log_message('error', $error);
if ($this->db_debug)
{
$this->display_error($error, '', TRUE);
}
return FALSE;
}
return $conn_id;
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
// not implemented in SQLite
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
return TRUE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return sqlite_libversion();
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return @sqlite_query($this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
$this->simple_query('BEGIN TRANSACTION');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('COMMIT');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('ROLLBACK');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
$str = sqlite_escape_string($str);
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace( array('%', '_', $this->_like_escape_chr),
array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
$str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return sqlite_changes($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id()
{
return @sqlite_last_insert_rowid($this->conn_id);
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT name from sqlite_master WHERE type='table'";
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
$sql .= " AND 'name' LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
// Not supported
return FALSE;
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT * FROM ".$table." LIMIT 1";
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return sqlite_error_string(sqlite_last_error($this->conn_id));
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return sqlite_last_error($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return $this->_delete($table);
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
if ($offset == 0)
{
$offset = '';
}
else
{
$offset .= ", ";
}
return $sql."LIMIT ".$offset.$limit;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@sqlite_close($conn_id);
}
}
/* End of file sqlite_driver.php */
/* Location: ./system/database/drivers/sqlite/sqlite_driver.php */ | 069h-course-management | trunk/ci/system/database/drivers/sqlite/sqlite_driver.php | PHP | mit | 14,055 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* oci8 Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_oci8_result extends CI_DB_result {
public $stmt_id;
public $curs_id;
public $limit_used;
/**
* Number of rows in the result set.
*
* Oracle doesn't have a graceful way to retun the number of rows
* so we have to use what amounts to a hack.
*
* @return integer
*/
public function num_rows()
{
if ($this->num_rows === 0 && count($this->result_array()) > 0)
{
$this->num_rows = count($this->result_array());
@oci_execute($this->stmt_id);
if ($this->curs_id)
{
@oci_execute($this->curs_id);
}
}
return $this->num_rows;
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
public function num_fields()
{
$count = @oci_num_fields($this->stmt_id);
// if we used a limit we subtract it
if ($this->limit_used)
{
$count = $count - 1;
}
return $count;
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
public function list_fields()
{
$field_names = array();
for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
{
$field_names[] = oci_field_name($this->stmt_id, $c);
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
public function field_data()
{
$retval = array();
for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
{
$F = new stdClass();
$F->name = oci_field_name($this->stmt_id, $c);
$F->type = oci_field_type($this->stmt_id, $c);
$F->max_length = oci_field_size($this->stmt_id, $c);
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
public function free_result()
{
if (is_resource($this->result_id))
{
oci_free_statement($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access protected
* @return array
*/
protected function _fetch_assoc()
{
$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
return oci_fetch_assoc($id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access protected
* @return object
*/
protected function _fetch_object()
{
$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
return @oci_fetch_object($id);
}
// --------------------------------------------------------------------
/**
* Query result. "array" version.
*
* @access public
* @return array
*/
public function result_array()
{
if (count($this->result_array) > 0)
{
return $this->result_array;
}
$row = NULL;
while ($row = $this->_fetch_assoc())
{
$this->result_array[] = $row;
}
return $this->result_array;
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access protected
* @return array
*/
protected function _data_seek($n = 0)
{
return FALSE; // Not needed
}
}
/* End of file oci8_result.php */
/* Location: ./system/database/drivers/oci8/oci8_result.php */
| 069h-course-management | trunk/ci/system/database/drivers/oci8/oci8_result.php | PHP | mit | 4,483 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* oci8 Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
/**
* oci8 Database Adapter Class
*
* This is a modification of the DB_driver class to
* permit access to oracle databases
*
* @author Kelly McArdle
*
*/
class CI_DB_oci8_driver extends CI_DB {
var $dbdriver = 'oci8';
// The character used for excaping
var $_escape_char = '"';
// clause and character used for LIKE escape sequences
var $_like_escape_str = " escape '%s' ";
var $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(1) AS ";
var $_random_keyword = ' ASC'; // not currently supported
// Set "auto commit" by default
var $_commit = OCI_COMMIT_ON_SUCCESS;
// need to track statement id and cursor id
var $stmt_id;
var $curs_id;
// if we use a limit, we will add a field that will
// throw off num_fields later
var $limit_used;
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
public function db_connect()
{
return @oci_connect($this->username, $this->password, $this->hostname, $this->char_set);
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
public function db_pconnect()
{
return @oci_pconnect($this->username, $this->password, $this->hostname, $this->char_set);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
public function reconnect()
{
// not implemented in oracle
return;
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
public function db_select()
{
// Not in Oracle - schemas are actually usernames
return TRUE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
public function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access protected
* @return string
*/
protected function _version()
{
return oci_server_version($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access protected called by the base class
* @param string an SQL query
* @return resource
*/
protected function _execute($sql)
{
// oracle must parse the query before it is run. All of the actions with
// the query are based on the statement id returned by ociparse
$this->stmt_id = FALSE;
$this->_set_stmt_id($sql);
oci_set_prefetch($this->stmt_id, 1000);
return @oci_execute($this->stmt_id, $this->_commit);
}
/**
* Generate a statement ID
*
* @access private
* @param string an SQL query
* @return none
*/
private function _set_stmt_id($sql)
{
if ( ! is_resource($this->stmt_id))
{
$this->stmt_id = oci_parse($this->conn_id, $this->_prep_query($sql));
}
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
private function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* getCursor. Returns a cursor from the datbase
*
* @access public
* @return cursor id
*/
public function get_cursor()
{
$this->curs_id = oci_new_cursor($this->conn_id);
return $this->curs_id;
}
// --------------------------------------------------------------------
/**
* Stored Procedure. Executes a stored procedure
*
* @access public
* @param package package stored procedure is in
* @param procedure stored procedure to execute
* @param params array of parameters
* @return array
*
* params array keys
*
* KEY OPTIONAL NOTES
* name no the name of the parameter should be in :<param_name> format
* value no the value of the parameter. If this is an OUT or IN OUT parameter,
* this should be a reference to a variable
* type yes the type of the parameter
* length yes the max size of the parameter
*/
public function stored_procedure($package, $procedure, $params)
{
if ($package == '' OR $procedure == '' OR ! is_array($params))
{
if ($this->db_debug)
{
log_message('error', 'Invalid query: '.$package.'.'.$procedure);
return $this->display_error('db_invalid_query');
}
return FALSE;
}
// build the query string
$sql = "begin $package.$procedure(";
$have_cursor = FALSE;
foreach ($params as $param)
{
$sql .= $param['name'] . ",";
if (array_key_exists('type', $param) && ($param['type'] === OCI_B_CURSOR))
{
$have_cursor = TRUE;
}
}
$sql = trim($sql, ",") . "); end;";
$this->stmt_id = FALSE;
$this->_set_stmt_id($sql);
$this->_bind_params($params);
$this->query($sql, FALSE, $have_cursor);
}
// --------------------------------------------------------------------
/**
* Bind parameters
*
* @access private
* @return none
*/
private function _bind_params($params)
{
if ( ! is_array($params) OR ! is_resource($this->stmt_id))
{
return;
}
foreach ($params as $param)
{
foreach (array('name', 'value', 'type', 'length') as $val)
{
if ( ! isset($param[$val]))
{
$param[$val] = '';
}
}
oci_bind_by_name($this->stmt_id, $param['name'], $param['value'], $param['length'], $param['type']);
}
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
public function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
$this->_commit = OCI_DEFAULT;
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
public function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$ret = oci_commit($this->conn_id);
$this->_commit = OCI_COMMIT_ON_SUCCESS;
return $ret;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
public function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$ret = oci_rollback($this->conn_id);
$this->_commit = OCI_COMMIT_ON_SUCCESS;
return $ret;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
$str = remove_invisible_characters($str);
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace( array('%', '_', $this->_like_escape_chr),
array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
$str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
public function affected_rows()
{
return @oci_num_rows($this->stmt_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
public function insert_id()
{
// not supported in oracle
return $this->display_error('db_unsupported_function');
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
public function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query == FALSE)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access protected
* @param boolean
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT TABLE_NAME FROM ALL_TABLES";
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
$sql .= " WHERE TABLE_NAME LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access protected
* @param string the table name
* @return string
*/
protected function _list_columns($table = '')
{
return "SELECT COLUMN_NAME FROM all_tab_columns WHERE table_name = '$table'";
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
protected function _field_data($table)
{
return "SELECT * FROM ".$table." where rownum = 1";
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access protected
* @return string
*/
protected function _error_message()
{
// If the error was during connection, no conn_id should be passed
$error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
return $error['message'];
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access protected
* @return integer
*/
protected function _error_number()
{
// Same as _error_message()
$error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
return $error['code'];
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access protected
* @param string
* @return string
*/
protected function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access protected
* @param type
* @return type
*/
protected function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return implode(', ', $tables);
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
protected function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access protected
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
protected function _insert_batch($table, $keys, $values)
{
$keys = implode(', ', $keys);
$sql = "INSERT ALL\n";
for ($i = 0, $c = count($values); $i < $c; $i++)
{
$sql .= ' INTO ' . $table . ' (' . $keys . ') VALUES ' . $values[$i] . "\n";
}
$sql .= 'SELECT * FROM dual';
return $sql;
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access protected
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access protected
* @param string the table name
* @return string
*/
protected function _truncate($table)
{
return "TRUNCATE TABLE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access protected
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access protected
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
protected function _limit($sql, $limit, $offset)
{
$limit = $offset + $limit;
$newsql = "SELECT * FROM (select inner_query.*, rownum rnum FROM ($sql) inner_query WHERE rownum < $limit)";
if ($offset != 0)
{
$newsql .= " WHERE rnum >= $offset";
}
// remember that we used limits
$this->limit_used = TRUE;
return $newsql;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access protected
* @param resource
* @return void
*/
protected function _close($conn_id)
{
@oci_close($conn_id);
}
}
/* End of file oci8_driver.php */
/* Location: ./system/database/drivers/oci8/oci8_driver.php */
| 069h-course-management | trunk/ci/system/database/drivers/oci8/oci8_driver.php | PHP | mit | 18,545 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/database/drivers/oci8/index.html | HTML | mit | 114 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Oracle Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_oci8_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return FALSE; // Is this supported in Oracle?
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return FALSE; // Is this supported in Oracle?
}
// --------------------------------------------------------------------
/**
* Oracle Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file oci8_utility.php */
/* Location: ./system/database/drivers/oci8/oci8_utility.php */ | 069h-course-management | trunk/ci/system/database/drivers/oci8/oci8_utility.php | PHP | mit | 1,929 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Oracle Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_oci8_forge extends CI_DB_forge {
/**
* Create database
*
* @access public
* @param string the database name
* @return bool
*/
function _create_database($name)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
$sql .= ",\n\tUNIQUE COLUMNS (" . implode(', ', $key) . ")";
}
}
$sql .= "\n)";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return bool
*/
function _drop_table($table)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file oci8_forge.php */
/* Location: ./system/database/drivers/oci8/oci8_forge.php */ | 069h-course-management | trunk/ci/system/database/drivers/oci8/oci8_forge.php | PHP | mit | 5,610 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Initialize the database
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
* @param string
* @param bool Determines if active record should be used or not
*/
function &DB($params = '', $active_record_override = NULL)
{
// Load the DB config file if a DSN string wasn't passed
if (is_string($params) AND strpos($params, '://') === FALSE)
{
// Is the config file in the environment folder?
if ( ! defined('ENVIRONMENT') OR ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/database.php'))
{
if ( ! file_exists($file_path = APPPATH.'config/database.php'))
{
show_error('The configuration file database.php does not exist.');
}
}
include($file_path);
if ( ! isset($db) OR count($db) == 0)
{
show_error('No database connection settings were found in the database config file.');
}
if ($params != '')
{
$active_group = $params;
}
if ( ! isset($active_group) OR ! isset($db[$active_group]))
{
show_error('You have specified an invalid database connection group.');
}
$params = $db[$active_group];
}
elseif (is_string($params))
{
/* parse the URL from the DSN string
* Database settings can be passed as discreet
* parameters or as a data source name in the first
* parameter. DSNs must have this prototype:
* $dsn = 'driver://username:password@hostname/database';
*/
if (($dns = @parse_url($params)) === FALSE)
{
show_error('Invalid DB Connection String');
}
$params = array(
'dbdriver' => $dns['scheme'],
'hostname' => (isset($dns['host'])) ? rawurldecode($dns['host']) : '',
'username' => (isset($dns['user'])) ? rawurldecode($dns['user']) : '',
'password' => (isset($dns['pass'])) ? rawurldecode($dns['pass']) : '',
'database' => (isset($dns['path'])) ? rawurldecode(substr($dns['path'], 1)) : ''
);
// were additional config items set?
if (isset($dns['query']))
{
parse_str($dns['query'], $extra);
foreach ($extra as $key => $val)
{
// booleans please
if (strtoupper($val) == "TRUE")
{
$val = TRUE;
}
elseif (strtoupper($val) == "FALSE")
{
$val = FALSE;
}
$params[$key] = $val;
}
}
}
// No DB specified yet? Beat them senseless...
if ( ! isset($params['dbdriver']) OR $params['dbdriver'] == '')
{
show_error('You have not selected a database type to connect to.');
}
// Load the DB classes. Note: Since the active record class is optional
// we need to dynamically create a class that extends proper parent class
// based on whether we're using the active record class or not.
// Kudos to Paul for discovering this clever use of eval()
if ($active_record_override !== NULL)
{
$active_record = $active_record_override;
}
require_once(BASEPATH.'database/DB_driver.php');
if ( ! isset($active_record) OR $active_record == TRUE)
{
require_once(BASEPATH.'database/DB_active_rec.php');
if ( ! class_exists('CI_DB'))
{
eval('class CI_DB extends CI_DB_active_record { }');
}
}
else
{
if ( ! class_exists('CI_DB'))
{
eval('class CI_DB extends CI_DB_driver { }');
}
}
require_once(BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php');
// Instantiate the DB adapter
$driver = 'CI_DB_'.$params['dbdriver'].'_driver';
$DB = new $driver($params);
if ($DB->autoinit == TRUE)
{
$DB->initialize();
}
if (isset($params['stricton']) && $params['stricton'] == TRUE)
{
$DB->query('SET SESSION sql_mode="STRICT_ALL_TABLES"');
}
return $DB;
}
/* End of file DB.php */
/* Location: ./system/database/DB.php */ | 069h-course-management | trunk/ci/system/database/DB.php | PHP | mit | 4,190 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Database Driver Class
*
* This is the platform-independent base DB implementation class.
* This class will not be called directly. Rather, the adapter
* class for the specific database will extend and instantiate it.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_driver {
var $username;
var $password;
var $hostname;
var $database;
var $dbdriver = 'mysql';
var $dbprefix = '';
var $char_set = 'utf8';
var $dbcollat = 'utf8_general_ci';
var $autoinit = TRUE; // Whether to automatically initialize the DB
var $swap_pre = '';
var $port = '';
var $pconnect = FALSE;
var $conn_id = FALSE;
var $result_id = FALSE;
var $db_debug = FALSE;
var $benchmark = 0;
var $query_count = 0;
var $bind_marker = '?';
var $save_queries = TRUE;
var $queries = array();
var $query_times = array();
var $data_cache = array();
var $trans_enabled = TRUE;
var $trans_strict = TRUE;
var $_trans_depth = 0;
var $_trans_status = TRUE; // Used with transactions to determine if a rollback should occur
var $cache_on = FALSE;
var $cachedir = '';
var $cache_autodel = FALSE;
var $CACHE; // The cache class object
// Private variables
var $_protect_identifiers = TRUE;
var $_reserved_identifiers = array('*'); // Identifiers that should NOT be escaped
// These are use with Oracle
var $stmt_id;
var $curs_id;
var $limit_used;
/**
* Constructor. Accepts one parameter containing the database
* connection settings.
*
* @param array
*/
function __construct($params)
{
if (is_array($params))
{
foreach ($params as $key => $val)
{
$this->$key = $val;
}
}
log_message('debug', 'Database Driver Class Initialized');
}
// --------------------------------------------------------------------
/**
* Initialize Database Settings
*
* @access private Called by the constructor
* @param mixed
* @return void
*/
function initialize()
{
// If an existing connection resource is available
// there is no need to connect and select the database
if (is_resource($this->conn_id) OR is_object($this->conn_id))
{
return TRUE;
}
// ----------------------------------------------------------------
// Connect to the database and set the connection ID
$this->conn_id = ($this->pconnect == FALSE) ? $this->db_connect() : $this->db_pconnect();
// No connection resource? Throw an error
if ( ! $this->conn_id)
{
log_message('error', 'Unable to connect to the database');
if ($this->db_debug)
{
$this->display_error('db_unable_to_connect');
}
return FALSE;
}
// ----------------------------------------------------------------
// Select the DB... assuming a database name is specified in the config file
if ($this->database != '')
{
if ( ! $this->db_select())
{
log_message('error', 'Unable to select database: '.$this->database);
if ($this->db_debug)
{
$this->display_error('db_unable_to_select', $this->database);
}
return FALSE;
}
else
{
// We've selected the DB. Now we set the character set
if ( ! $this->db_set_charset($this->char_set, $this->dbcollat))
{
return FALSE;
}
return TRUE;
}
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
if ( ! $this->_db_set_charset($this->char_set, $this->dbcollat))
{
log_message('error', 'Unable to set database connection charset: '.$this->char_set);
if ($this->db_debug)
{
$this->display_error('db_unable_to_set_charset', $this->char_set);
}
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* The name of the platform in use (mysql, mssql, etc...)
*
* @access public
* @return string
*/
function platform()
{
return $this->dbdriver;
}
// --------------------------------------------------------------------
/**
* Database Version Number. Returns a string containing the
* version of the database being used
*
* @access public
* @return string
*/
function version()
{
if (FALSE === ($sql = $this->_version()))
{
if ($this->db_debug)
{
return $this->display_error('db_unsupported_function');
}
return FALSE;
}
// Some DBs have functions that return the version, and don't run special
// SQL queries per se. In these instances, just return the result.
$driver_version_exceptions = array('oci8', 'sqlite', 'cubrid');
if (in_array($this->dbdriver, $driver_version_exceptions))
{
return $sql;
}
else
{
$query = $this->query($sql);
return $query->row('ver');
}
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* Accepts an SQL string as input and returns a result object upon
* successful execution of a "read" type query. Returns boolean TRUE
* upon successful execution of a "write" type query. Returns boolean
* FALSE upon failure, and if the $db_debug variable is set to TRUE
* will raise an error.
*
* @access public
* @param string An SQL query string
* @param array An array of binding data
* @return mixed
*/
function query($sql, $binds = FALSE, $return_object = TRUE)
{
if ($sql == '')
{
if ($this->db_debug)
{
log_message('error', 'Invalid query: '.$sql);
return $this->display_error('db_invalid_query');
}
return FALSE;
}
// Verify table prefix and replace if necessary
if ( ($this->dbprefix != '' AND $this->swap_pre != '') AND ($this->dbprefix != $this->swap_pre) )
{
$sql = preg_replace("/(\W)".$this->swap_pre."(\S+?)/", "\\1".$this->dbprefix."\\2", $sql);
}
// Compile binds if needed
if ($binds !== FALSE)
{
$sql = $this->compile_binds($sql, $binds);
}
// Is query caching enabled? If the query is a "read type"
// we will load the caching class and return the previously
// cached query if it exists
if ($this->cache_on == TRUE AND stristr($sql, 'SELECT'))
{
if ($this->_cache_init())
{
$this->load_rdriver();
if (FALSE !== ($cache = $this->CACHE->read($sql)))
{
return $cache;
}
}
}
// Save the query for debugging
if ($this->save_queries == TRUE)
{
$this->queries[] = $sql;
}
// Start the Query Timer
$time_start = list($sm, $ss) = explode(' ', microtime());
// Run the Query
if (FALSE === ($this->result_id = $this->simple_query($sql)))
{
if ($this->save_queries == TRUE)
{
$this->query_times[] = 0;
}
// This will trigger a rollback if transactions are being used
$this->_trans_status = FALSE;
if ($this->db_debug)
{
// grab the error number and message now, as we might run some
// additional queries before displaying the error
$error_no = $this->_error_number();
$error_msg = $this->_error_message();
// We call this function in order to roll-back queries
// if transactions are enabled. If we don't call this here
// the error message will trigger an exit, causing the
// transactions to remain in limbo.
$this->trans_complete();
// Log and display errors
log_message('error', 'Query error: '.$error_msg);
return $this->display_error(
array(
'Error Number: '.$error_no,
$error_msg,
$sql
)
);
}
return FALSE;
}
// Stop and aggregate the query time results
$time_end = list($em, $es) = explode(' ', microtime());
$this->benchmark += ($em + $es) - ($sm + $ss);
if ($this->save_queries == TRUE)
{
$this->query_times[] = ($em + $es) - ($sm + $ss);
}
// Increment the query counter
$this->query_count++;
// Was the query a "write" type?
// If so we'll simply return true
if ($this->is_write_type($sql) === TRUE)
{
// If caching is enabled we'll auto-cleanup any
// existing files related to this particular URI
if ($this->cache_on == TRUE AND $this->cache_autodel == TRUE AND $this->_cache_init())
{
$this->CACHE->delete();
}
return TRUE;
}
// Return TRUE if we don't need to create a result object
// Currently only the Oracle driver uses this when stored
// procedures are used
if ($return_object !== TRUE)
{
return TRUE;
}
// Load and instantiate the result driver
$driver = $this->load_rdriver();
$RES = new $driver();
$RES->conn_id = $this->conn_id;
$RES->result_id = $this->result_id;
if ($this->dbdriver == 'oci8')
{
$RES->stmt_id = $this->stmt_id;
$RES->curs_id = NULL;
$RES->limit_used = $this->limit_used;
$this->stmt_id = FALSE;
}
// oci8 vars must be set before calling this
$RES->num_rows = $RES->num_rows();
// Is query caching enabled? If so, we'll serialize the
// result object and save it to a cache file.
if ($this->cache_on == TRUE AND $this->_cache_init())
{
// We'll create a new instance of the result object
// only without the platform specific driver since
// we can't use it with cached data (the query result
// resource ID won't be any good once we've cached the
// result object, so we'll have to compile the data
// and save it)
$CR = new CI_DB_result();
$CR->num_rows = $RES->num_rows();
$CR->result_object = $RES->result_object();
$CR->result_array = $RES->result_array();
// Reset these since cached objects can not utilize resource IDs.
$CR->conn_id = NULL;
$CR->result_id = NULL;
$this->CACHE->write($sql, $CR);
}
return $RES;
}
// --------------------------------------------------------------------
/**
* Load the result drivers
*
* @access public
* @return string the name of the result class
*/
function load_rdriver()
{
$driver = 'CI_DB_'.$this->dbdriver.'_result';
if ( ! class_exists($driver))
{
include_once(BASEPATH.'database/DB_result.php');
include_once(BASEPATH.'database/drivers/'.$this->dbdriver.'/'.$this->dbdriver.'_result.php');
}
return $driver;
}
// --------------------------------------------------------------------
/**
* Simple Query
* This is a simplified version of the query() function. Internally
* we only use it when running transaction commands since they do
* not require all the features of the main query() function.
*
* @access public
* @param string the sql query
* @return mixed
*/
function simple_query($sql)
{
if ( ! $this->conn_id)
{
$this->initialize();
}
return $this->_execute($sql);
}
// --------------------------------------------------------------------
/**
* Disable Transactions
* This permits transactions to be disabled at run-time.
*
* @access public
* @return void
*/
function trans_off()
{
$this->trans_enabled = FALSE;
}
// --------------------------------------------------------------------
/**
* Enable/disable Transaction Strict Mode
* When strict mode is enabled, if you are running multiple groups of
* transactions, if one group fails all groups will be rolled back.
* If strict mode is disabled, each group is treated autonomously, meaning
* a failure of one group will not affect any others
*
* @access public
* @return void
*/
function trans_strict($mode = TRUE)
{
$this->trans_strict = is_bool($mode) ? $mode : TRUE;
}
// --------------------------------------------------------------------
/**
* Start Transaction
*
* @access public
* @return void
*/
function trans_start($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return FALSE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
$this->_trans_depth += 1;
return;
}
$this->trans_begin($test_mode);
}
// --------------------------------------------------------------------
/**
* Complete Transaction
*
* @access public
* @return bool
*/
function trans_complete()
{
if ( ! $this->trans_enabled)
{
return FALSE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 1)
{
$this->_trans_depth -= 1;
return TRUE;
}
// The query() function will set this flag to FALSE in the event that a query failed
if ($this->_trans_status === FALSE)
{
$this->trans_rollback();
// If we are NOT running in strict mode, we will reset
// the _trans_status flag so that subsequent groups of transactions
// will be permitted.
if ($this->trans_strict === FALSE)
{
$this->_trans_status = TRUE;
}
log_message('debug', 'DB Transaction Failure');
return FALSE;
}
$this->trans_commit();
return TRUE;
}
// --------------------------------------------------------------------
/**
* Lets you retrieve the transaction flag to determine if it has failed
*
* @access public
* @return bool
*/
function trans_status()
{
return $this->_trans_status;
}
// --------------------------------------------------------------------
/**
* Compile Bindings
*
* @access public
* @param string the sql statement
* @param array an array of bind data
* @return string
*/
function compile_binds($sql, $binds)
{
if (strpos($sql, $this->bind_marker) === FALSE)
{
return $sql;
}
if ( ! is_array($binds))
{
$binds = array($binds);
}
// Get the sql segments around the bind markers
$segments = explode($this->bind_marker, $sql);
// The count of bind should be 1 less then the count of segments
// If there are more bind arguments trim it down
if (count($binds) >= count($segments)) {
$binds = array_slice($binds, 0, count($segments)-1);
}
// Construct the binded query
$result = $segments[0];
$i = 0;
foreach ($binds as $bind)
{
$result .= $this->escape($bind);
$result .= $segments[++$i];
}
return $result;
}
// --------------------------------------------------------------------
/**
* Determines if a query is a "write" type.
*
* @access public
* @param string An SQL query string
* @return boolean
*/
function is_write_type($sql)
{
if ( ! preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD DATA|COPY|ALTER|GRANT|REVOKE|LOCK|UNLOCK)\s+/i', $sql))
{
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Calculate the aggregate query elapsed time
*
* @access public
* @param integer The number of decimal places
* @return integer
*/
function elapsed_time($decimals = 6)
{
return number_format($this->benchmark, $decimals);
}
// --------------------------------------------------------------------
/**
* Returns the total number of queries
*
* @access public
* @return integer
*/
function total_queries()
{
return $this->query_count;
}
// --------------------------------------------------------------------
/**
* Returns the last query that was executed
*
* @access public
* @return void
*/
function last_query()
{
return end($this->queries);
}
// --------------------------------------------------------------------
/**
* "Smart" Escape String
*
* Escapes data based on type
* Sets boolean and null types
*
* @access public
* @param string
* @return mixed
*/
function escape($str)
{
if (is_string($str))
{
$str = "'".$this->escape_str($str)."'";
}
elseif (is_bool($str))
{
$str = ($str === FALSE) ? 0 : 1;
}
elseif (is_null($str))
{
$str = 'NULL';
}
return $str;
}
// --------------------------------------------------------------------
/**
* Escape LIKE String
*
* Calls the individual driver for platform
* specific escaping for LIKE conditions
*
* @access public
* @param string
* @return mixed
*/
function escape_like_str($str)
{
return $this->escape_str($str, TRUE);
}
// --------------------------------------------------------------------
/**
* Primary
*
* Retrieves the primary key. It assumes that the row in the first
* position is the primary key
*
* @access public
* @param string the table name
* @return string
*/
function primary($table = '')
{
$fields = $this->list_fields($table);
if ( ! is_array($fields))
{
return FALSE;
}
return current($fields);
}
// --------------------------------------------------------------------
/**
* Returns an array of table names
*
* @access public
* @return array
*/
function list_tables($constrain_by_prefix = FALSE)
{
// Is there a cached result?
if (isset($this->data_cache['table_names']))
{
return $this->data_cache['table_names'];
}
if (FALSE === ($sql = $this->_list_tables($constrain_by_prefix)))
{
if ($this->db_debug)
{
return $this->display_error('db_unsupported_function');
}
return FALSE;
}
$retval = array();
$query = $this->query($sql);
if ($query->num_rows() > 0)
{
foreach ($query->result_array() as $row)
{
if (isset($row['TABLE_NAME']))
{
$retval[] = $row['TABLE_NAME'];
}
else
{
$retval[] = array_shift($row);
}
}
}
$this->data_cache['table_names'] = $retval;
return $this->data_cache['table_names'];
}
// --------------------------------------------------------------------
/**
* Determine if a particular table exists
* @access public
* @return boolean
*/
function table_exists($table_name)
{
return ( ! in_array($this->_protect_identifiers($table_name, TRUE, FALSE, FALSE), $this->list_tables())) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Fetch MySQL Field Names
*
* @access public
* @param string the table name
* @return array
*/
function list_fields($table = '')
{
// Is there a cached result?
if (isset($this->data_cache['field_names'][$table]))
{
return $this->data_cache['field_names'][$table];
}
if ($table == '')
{
if ($this->db_debug)
{
return $this->display_error('db_field_param_missing');
}
return FALSE;
}
if (FALSE === ($sql = $this->_list_columns($table)))
{
if ($this->db_debug)
{
return $this->display_error('db_unsupported_function');
}
return FALSE;
}
$query = $this->query($sql);
$retval = array();
foreach ($query->result_array() as $row)
{
if (isset($row['COLUMN_NAME']))
{
$retval[] = $row['COLUMN_NAME'];
}
else
{
$retval[] = current($row);
}
}
$this->data_cache['field_names'][$table] = $retval;
return $this->data_cache['field_names'][$table];
}
// --------------------------------------------------------------------
/**
* Determine if a particular field exists
* @access public
* @param string
* @param string
* @return boolean
*/
function field_exists($field_name, $table_name)
{
return ( ! in_array($field_name, $this->list_fields($table_name))) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @access public
* @param string the table name
* @return object
*/
function field_data($table = '')
{
if ($table == '')
{
if ($this->db_debug)
{
return $this->display_error('db_field_param_missing');
}
return FALSE;
}
$query = $this->query($this->_field_data($this->_protect_identifiers($table, TRUE, NULL, FALSE)));
return $query->field_data();
}
// --------------------------------------------------------------------
/**
* Generate an insert string
*
* @access public
* @param string the table upon which the query will be performed
* @param array an associative array data of key/values
* @return string
*/
function insert_string($table, $data)
{
$fields = array();
$values = array();
foreach ($data as $key => $val)
{
$fields[] = $this->_escape_identifiers($key);
$values[] = $this->escape($val);
}
return $this->_insert($this->_protect_identifiers($table, TRUE, NULL, FALSE), $fields, $values);
}
// --------------------------------------------------------------------
/**
* Generate an update string
*
* @access public
* @param string the table upon which the query will be performed
* @param array an associative array data of key/values
* @param mixed the "where" statement
* @return string
*/
function update_string($table, $data, $where)
{
if ($where == '')
{
return false;
}
$fields = array();
foreach ($data as $key => $val)
{
$fields[$this->_protect_identifiers($key)] = $this->escape($val);
}
if ( ! is_array($where))
{
$dest = array($where);
}
else
{
$dest = array();
foreach ($where as $key => $val)
{
$prefix = (count($dest) == 0) ? '' : ' AND ';
if ($val !== '')
{
if ( ! $this->_has_operator($key))
{
$key .= ' =';
}
$val = ' '.$this->escape($val);
}
$dest[] = $prefix.$key.$val;
}
}
return $this->_update($this->_protect_identifiers($table, TRUE, NULL, FALSE), $fields, $dest);
}
// --------------------------------------------------------------------
/**
* Tests whether the string has an SQL operator
*
* @access private
* @param string
* @return bool
*/
function _has_operator($str)
{
$str = trim($str);
if ( ! preg_match("/(\s|<|>|!|=|is null|is not null)/i", $str))
{
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Enables a native PHP function to be run, using a platform agnostic wrapper.
*
* @access public
* @param string the function name
* @param mixed any parameters needed by the function
* @return mixed
*/
function call_function($function)
{
$driver = ($this->dbdriver == 'postgre') ? 'pg_' : $this->dbdriver.'_';
if (FALSE === strpos($driver, $function))
{
$function = $driver.$function;
}
if ( ! function_exists($function))
{
if ($this->db_debug)
{
return $this->display_error('db_unsupported_function');
}
return FALSE;
}
else
{
$args = (func_num_args() > 1) ? array_splice(func_get_args(), 1) : null;
if (is_null($args))
{
return call_user_func($function);
}
else
{
return call_user_func_array($function, $args);
}
}
}
// --------------------------------------------------------------------
/**
* Set Cache Directory Path
*
* @access public
* @param string the path to the cache directory
* @return void
*/
function cache_set_path($path = '')
{
$this->cachedir = $path;
}
// --------------------------------------------------------------------
/**
* Enable Query Caching
*
* @access public
* @return void
*/
function cache_on()
{
$this->cache_on = TRUE;
return TRUE;
}
// --------------------------------------------------------------------
/**
* Disable Query Caching
*
* @access public
* @return void
*/
function cache_off()
{
$this->cache_on = FALSE;
return FALSE;
}
// --------------------------------------------------------------------
/**
* Delete the cache files associated with a particular URI
*
* @access public
* @return void
*/
function cache_delete($segment_one = '', $segment_two = '')
{
if ( ! $this->_cache_init())
{
return FALSE;
}
return $this->CACHE->delete($segment_one, $segment_two);
}
// --------------------------------------------------------------------
/**
* Delete All cache files
*
* @access public
* @return void
*/
function cache_delete_all()
{
if ( ! $this->_cache_init())
{
return FALSE;
}
return $this->CACHE->delete_all();
}
// --------------------------------------------------------------------
/**
* Initialize the Cache Class
*
* @access private
* @return void
*/
function _cache_init()
{
if (is_object($this->CACHE) AND class_exists('CI_DB_Cache'))
{
return TRUE;
}
if ( ! class_exists('CI_DB_Cache'))
{
if ( ! @include(BASEPATH.'database/DB_cache.php'))
{
return $this->cache_off();
}
}
$this->CACHE = new CI_DB_Cache($this); // pass db object to support multiple db connections and returned db objects
return TRUE;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @return void
*/
function close()
{
if (is_resource($this->conn_id) OR is_object($this->conn_id))
{
$this->_close($this->conn_id);
}
$this->conn_id = FALSE;
}
// --------------------------------------------------------------------
/**
* Display an error message
*
* @access public
* @param string the error message
* @param string any "swap" values
* @param boolean whether to localize the message
* @return string sends the application/error_db.php template
*/
function display_error($error = '', $swap = '', $native = FALSE)
{
$LANG =& load_class('Lang', 'core');
$LANG->load('db');
$heading = $LANG->line('db_error_heading');
if ($native == TRUE)
{
$message = $error;
}
else
{
$message = ( ! is_array($error)) ? array(str_replace('%s', $swap, $LANG->line($error))) : $error;
}
// Find the most likely culprit of the error by going through
// the backtrace until the source file is no longer in the
// database folder.
$trace = debug_backtrace();
foreach ($trace as $call)
{
if (isset($call['file']) && strpos($call['file'], BASEPATH.'database') === FALSE)
{
// Found it - use a relative path for safety
$message[] = 'Filename: '.str_replace(array(BASEPATH, APPPATH), '', $call['file']);
$message[] = 'Line Number: '.$call['line'];
break;
}
}
$error =& load_class('Exceptions', 'core');
echo $error->show_error($heading, $message, 'error_db');
exit;
}
// --------------------------------------------------------------------
/**
* Protect Identifiers
*
* This function adds backticks if appropriate based on db type
*
* @access private
* @param mixed the item to escape
* @return mixed the item with backticks
*/
function protect_identifiers($item, $prefix_single = FALSE)
{
return $this->_protect_identifiers($item, $prefix_single);
}
// --------------------------------------------------------------------
/**
* Protect Identifiers
*
* This function is used extensively by the Active Record class, and by
* a couple functions in this class.
* It takes a column or table name (optionally with an alias) and inserts
* the table prefix onto it. Some logic is necessary in order to deal with
* column names that include the path. Consider a query like this:
*
* SELECT * FROM hostname.database.table.column AS c FROM hostname.database.table
*
* Or a query with aliasing:
*
* SELECT m.member_id, m.member_name FROM members AS m
*
* Since the column name can include up to four segments (host, DB, table, column)
* or also have an alias prefix, we need to do a bit of work to figure this out and
* insert the table prefix (if it exists) in the proper position, and escape only
* the correct identifiers.
*
* @access private
* @param string
* @param bool
* @param mixed
* @param bool
* @return string
*/
function _protect_identifiers($item, $prefix_single = FALSE, $protect_identifiers = NULL, $field_exists = TRUE)
{
if ( ! is_bool($protect_identifiers))
{
$protect_identifiers = $this->_protect_identifiers;
}
if (is_array($item))
{
$escaped_array = array();
foreach ($item as $k => $v)
{
$escaped_array[$this->_protect_identifiers($k)] = $this->_protect_identifiers($v);
}
return $escaped_array;
}
// Convert tabs or multiple spaces into single spaces
$item = preg_replace('/[\t ]+/', ' ', $item);
// If the item has an alias declaration we remove it and set it aside.
// Basically we remove everything to the right of the first space
if (strpos($item, ' ') !== FALSE)
{
$alias = strstr($item, ' ');
$item = substr($item, 0, - strlen($alias));
}
else
{
$alias = '';
}
// This is basically a bug fix for queries that use MAX, MIN, etc.
// If a parenthesis is found we know that we do not need to
// escape the data or add a prefix. There's probably a more graceful
// way to deal with this, but I'm not thinking of it -- Rick
if (strpos($item, '(') !== FALSE)
{
return $item.$alias;
}
// Break the string apart if it contains periods, then insert the table prefix
// in the correct location, assuming the period doesn't indicate that we're dealing
// with an alias. While we're at it, we will escape the components
if (strpos($item, '.') !== FALSE)
{
$parts = explode('.', $item);
// Does the first segment of the exploded item match
// one of the aliases previously identified? If so,
// we have nothing more to do other than escape the item
if (in_array($parts[0], $this->ar_aliased_tables))
{
if ($protect_identifiers === TRUE)
{
foreach ($parts as $key => $val)
{
if ( ! in_array($val, $this->_reserved_identifiers))
{
$parts[$key] = $this->_escape_identifiers($val);
}
}
$item = implode('.', $parts);
}
return $item.$alias;
}
// Is there a table prefix defined in the config file? If not, no need to do anything
if ($this->dbprefix != '')
{
// We now add the table prefix based on some logic.
// Do we have 4 segments (hostname.database.table.column)?
// If so, we add the table prefix to the column name in the 3rd segment.
if (isset($parts[3]))
{
$i = 2;
}
// Do we have 3 segments (database.table.column)?
// If so, we add the table prefix to the column name in 2nd position
elseif (isset($parts[2]))
{
$i = 1;
}
// Do we have 2 segments (table.column)?
// If so, we add the table prefix to the column name in 1st segment
else
{
$i = 0;
}
// This flag is set when the supplied $item does not contain a field name.
// This can happen when this function is being called from a JOIN.
if ($field_exists == FALSE)
{
$i++;
}
// Verify table prefix and replace if necessary
if ($this->swap_pre != '' && strncmp($parts[$i], $this->swap_pre, strlen($this->swap_pre)) === 0)
{
$parts[$i] = preg_replace("/^".$this->swap_pre."(\S+?)/", $this->dbprefix."\\1", $parts[$i]);
}
// We only add the table prefix if it does not already exist
if (substr($parts[$i], 0, strlen($this->dbprefix)) != $this->dbprefix)
{
$parts[$i] = $this->dbprefix.$parts[$i];
}
// Put the parts back together
$item = implode('.', $parts);
}
if ($protect_identifiers === TRUE)
{
$item = $this->_escape_identifiers($item);
}
return $item.$alias;
}
// Is there a table prefix? If not, no need to insert it
if ($this->dbprefix != '')
{
// Verify table prefix and replace if necessary
if ($this->swap_pre != '' && strncmp($item, $this->swap_pre, strlen($this->swap_pre)) === 0)
{
$item = preg_replace("/^".$this->swap_pre."(\S+?)/", $this->dbprefix."\\1", $item);
}
// Do we prefix an item with no segments?
if ($prefix_single == TRUE AND substr($item, 0, strlen($this->dbprefix)) != $this->dbprefix)
{
$item = $this->dbprefix.$item;
}
}
if ($protect_identifiers === TRUE AND ! in_array($item, $this->_reserved_identifiers))
{
$item = $this->_escape_identifiers($item);
}
return $item.$alias;
}
// --------------------------------------------------------------------
/**
* Dummy method that allows Active Record class to be disabled
*
* This function is used extensively by every db driver.
*
* @return void
*/
protected function _reset_select()
{
}
}
/* End of file DB_driver.php */
/* Location: ./system/database/DB_driver.php */ | 069h-course-management | trunk/ci/system/database/DB_driver.php | PHP | mit | 32,649 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.3.1
* @filesource
*/
// ------------------------------------------------------------------------
/**
* HTML Table Generating Class
*
* Lets you create tables manually or from database result objects, or arrays.
*
* @package CodeIgniter
* @subpackage Libraries
* @category HTML Tables
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/uri.html
*/
class CI_Table {
var $rows = array();
var $heading = array();
var $auto_heading = TRUE;
var $caption = NULL;
var $template = NULL;
var $newline = "\n";
var $empty_cells = "";
var $function = FALSE;
public function __construct()
{
log_message('debug', "Table Class Initialized");
}
// --------------------------------------------------------------------
/**
* Set the template
*
* @access public
* @param array
* @return void
*/
function set_template($template)
{
if ( ! is_array($template))
{
return FALSE;
}
$this->template = $template;
}
// --------------------------------------------------------------------
/**
* Set the table heading
*
* Can be passed as an array or discreet params
*
* @access public
* @param mixed
* @return void
*/
function set_heading()
{
$args = func_get_args();
$this->heading = $this->_prep_args($args);
}
// --------------------------------------------------------------------
/**
* Set columns. Takes a one-dimensional array as input and creates
* a multi-dimensional array with a depth equal to the number of
* columns. This allows a single array with many elements to be
* displayed in a table that has a fixed column count.
*
* @access public
* @param array
* @param int
* @return void
*/
function make_columns($array = array(), $col_limit = 0)
{
if ( ! is_array($array) OR count($array) == 0)
{
return FALSE;
}
// Turn off the auto-heading feature since it's doubtful we
// will want headings from a one-dimensional array
$this->auto_heading = FALSE;
if ($col_limit == 0)
{
return $array;
}
$new = array();
while (count($array) > 0)
{
$temp = array_splice($array, 0, $col_limit);
if (count($temp) < $col_limit)
{
for ($i = count($temp); $i < $col_limit; $i++)
{
$temp[] = ' ';
}
}
$new[] = $temp;
}
return $new;
}
// --------------------------------------------------------------------
/**
* Set "empty" cells
*
* Can be passed as an array or discreet params
*
* @access public
* @param mixed
* @return void
*/
function set_empty($value)
{
$this->empty_cells = $value;
}
// --------------------------------------------------------------------
/**
* Add a table row
*
* Can be passed as an array or discreet params
*
* @access public
* @param mixed
* @return void
*/
function add_row()
{
$args = func_get_args();
$this->rows[] = $this->_prep_args($args);
}
// --------------------------------------------------------------------
/**
* Prep Args
*
* Ensures a standard associative array format for all cell data
*
* @access public
* @param type
* @return type
*/
function _prep_args($args)
{
// If there is no $args[0], skip this and treat as an associative array
// This can happen if there is only a single key, for example this is passed to table->generate
// array(array('foo'=>'bar'))
if (isset($args[0]) AND (count($args) == 1 && is_array($args[0])))
{
// args sent as indexed array
if ( ! isset($args[0]['data']))
{
foreach ($args[0] as $key => $val)
{
if (is_array($val) && isset($val['data']))
{
$args[$key] = $val;
}
else
{
$args[$key] = array('data' => $val);
}
}
}
}
else
{
foreach ($args as $key => $val)
{
if ( ! is_array($val))
{
$args[$key] = array('data' => $val);
}
}
}
return $args;
}
// --------------------------------------------------------------------
/**
* Add a table caption
*
* @access public
* @param string
* @return void
*/
function set_caption($caption)
{
$this->caption = $caption;
}
// --------------------------------------------------------------------
/**
* Generate the table
*
* @access public
* @param mixed
* @return string
*/
function generate($table_data = NULL)
{
// The table data can optionally be passed to this function
// either as a database result object or an array
if ( ! is_null($table_data))
{
if (is_object($table_data))
{
$this->_set_from_object($table_data);
}
elseif (is_array($table_data))
{
$set_heading = (count($this->heading) == 0 AND $this->auto_heading == FALSE) ? FALSE : TRUE;
$this->_set_from_array($table_data, $set_heading);
}
}
// Is there anything to display? No? Smite them!
if (count($this->heading) == 0 AND count($this->rows) == 0)
{
return 'Undefined table data';
}
// Compile and validate the template date
$this->_compile_template();
// set a custom cell manipulation function to a locally scoped variable so its callable
$function = $this->function;
// Build the table!
$out = $this->template['table_open'];
$out .= $this->newline;
// Add any caption here
if ($this->caption)
{
$out .= $this->newline;
$out .= '<caption>' . $this->caption . '</caption>';
$out .= $this->newline;
}
// Is there a table heading to display?
if (count($this->heading) > 0)
{
$out .= $this->template['thead_open'];
$out .= $this->newline;
$out .= $this->template['heading_row_start'];
$out .= $this->newline;
foreach ($this->heading as $heading)
{
$temp = $this->template['heading_cell_start'];
foreach ($heading as $key => $val)
{
if ($key != 'data')
{
$temp = str_replace('<th', "<th $key='$val'", $temp);
}
}
$out .= $temp;
$out .= isset($heading['data']) ? $heading['data'] : '';
$out .= $this->template['heading_cell_end'];
}
$out .= $this->template['heading_row_end'];
$out .= $this->newline;
$out .= $this->template['thead_close'];
$out .= $this->newline;
}
// Build the table rows
if (count($this->rows) > 0)
{
$out .= $this->template['tbody_open'];
$out .= $this->newline;
$i = 1;
foreach ($this->rows as $row)
{
if ( ! is_array($row))
{
break;
}
// We use modulus to alternate the row colors
$name = (fmod($i++, 2)) ? '' : 'alt_';
$out .= $this->template['row_'.$name.'start'];
$out .= $this->newline;
foreach ($row as $cell)
{
$temp = $this->template['cell_'.$name.'start'];
foreach ($cell as $key => $val)
{
if ($key != 'data')
{
$temp = str_replace('<td', "<td $key='$val'", $temp);
}
}
$cell = isset($cell['data']) ? $cell['data'] : '';
$out .= $temp;
if ($cell === "" OR $cell === NULL)
{
$out .= $this->empty_cells;
}
else
{
if ($function !== FALSE && is_callable($function))
{
$out .= call_user_func($function, $cell);
}
else
{
$out .= $cell;
}
}
$out .= $this->template['cell_'.$name.'end'];
}
$out .= $this->template['row_'.$name.'end'];
$out .= $this->newline;
}
$out .= $this->template['tbody_close'];
$out .= $this->newline;
}
$out .= $this->template['table_close'];
// Clear table class properties before generating the table
$this->clear();
return $out;
}
// --------------------------------------------------------------------
/**
* Clears the table arrays. Useful if multiple tables are being generated
*
* @access public
* @return void
*/
function clear()
{
$this->rows = array();
$this->heading = array();
$this->auto_heading = TRUE;
}
// --------------------------------------------------------------------
/**
* Set table data from a database result object
*
* @access public
* @param object
* @return void
*/
function _set_from_object($query)
{
if ( ! is_object($query))
{
return FALSE;
}
// First generate the headings from the table column names
if (count($this->heading) == 0)
{
if ( ! method_exists($query, 'list_fields'))
{
return FALSE;
}
$this->heading = $this->_prep_args($query->list_fields());
}
// Next blast through the result array and build out the rows
if ($query->num_rows() > 0)
{
foreach ($query->result_array() as $row)
{
$this->rows[] = $this->_prep_args($row);
}
}
}
// --------------------------------------------------------------------
/**
* Set table data from an array
*
* @access public
* @param array
* @return void
*/
function _set_from_array($data, $set_heading = TRUE)
{
if ( ! is_array($data) OR count($data) == 0)
{
return FALSE;
}
$i = 0;
foreach ($data as $row)
{
// If a heading hasn't already been set we'll use the first row of the array as the heading
if ($i == 0 AND count($data) > 1 AND count($this->heading) == 0 AND $set_heading == TRUE)
{
$this->heading = $this->_prep_args($row);
}
else
{
$this->rows[] = $this->_prep_args($row);
}
$i++;
}
}
// --------------------------------------------------------------------
/**
* Compile Template
*
* @access private
* @return void
*/
function _compile_template()
{
if ($this->template == NULL)
{
$this->template = $this->_default_template();
return;
}
$this->temp = $this->_default_template();
foreach (array('table_open', 'thead_open', 'thead_close', 'heading_row_start', 'heading_row_end', 'heading_cell_start', 'heading_cell_end', 'tbody_open', 'tbody_close', 'row_start', 'row_end', 'cell_start', 'cell_end', 'row_alt_start', 'row_alt_end', 'cell_alt_start', 'cell_alt_end', 'table_close') as $val)
{
if ( ! isset($this->template[$val]))
{
$this->template[$val] = $this->temp[$val];
}
}
}
// --------------------------------------------------------------------
/**
* Default Template
*
* @access private
* @return void
*/
function _default_template()
{
return array (
'table_open' => '<table border="0" cellpadding="4" cellspacing="0">',
'thead_open' => '<thead>',
'thead_close' => '</thead>',
'heading_row_start' => '<tr>',
'heading_row_end' => '</tr>',
'heading_cell_start' => '<th>',
'heading_cell_end' => '</th>',
'tbody_open' => '<tbody>',
'tbody_close' => '</tbody>',
'row_start' => '<tr>',
'row_end' => '</tr>',
'cell_start' => '<td>',
'cell_end' => '</td>',
'row_alt_start' => '<tr>',
'row_alt_end' => '</tr>',
'cell_alt_start' => '<td>',
'cell_alt_end' => '</td>',
'table_close' => '</table>'
);
}
}
/* End of file Table.php */
/* Location: ./system/libraries/Table.php */ | 069h-course-management | trunk/ci/system/libraries/Table.php | PHP | mit | 11,369 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Zip Compression Class
*
* This class is based on a library I found at Zend:
* http://www.zend.com/codex.php?id=696&single=1
*
* The original library is a little rough around the edges so I
* refactored it and added several additional methods -- Rick Ellis
*
* @package CodeIgniter
* @subpackage Libraries
* @category Encryption
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/zip.html
*/
class CI_Zip {
var $zipdata = '';
var $directory = '';
var $entries = 0;
var $file_num = 0;
var $offset = 0;
var $now;
/**
* Constructor
*/
public function __construct()
{
log_message('debug', "Zip Compression Class Initialized");
$this->now = time();
}
// --------------------------------------------------------------------
/**
* Add Directory
*
* Lets you add a virtual directory into which you can place files.
*
* @access public
* @param mixed the directory name. Can be string or array
* @return void
*/
function add_dir($directory)
{
foreach ((array)$directory as $dir)
{
if ( ! preg_match("|.+/$|", $dir))
{
$dir .= '/';
}
$dir_time = $this->_get_mod_time($dir);
$this->_add_dir($dir, $dir_time['file_mtime'], $dir_time['file_mdate']);
}
}
// --------------------------------------------------------------------
/**
* Get file/directory modification time
*
* If this is a newly created file/dir, we will set the time to 'now'
*
* @param string path to file
* @return array filemtime/filemdate
*/
function _get_mod_time($dir)
{
// filemtime() will return false, but it does raise an error.
$date = (@filemtime($dir)) ? filemtime($dir) : getdate($this->now);
$time['file_mtime'] = ($date['hours'] << 11) + ($date['minutes'] << 5) + $date['seconds'] / 2;
$time['file_mdate'] = (($date['year'] - 1980) << 9) + ($date['mon'] << 5) + $date['mday'];
return $time;
}
// --------------------------------------------------------------------
/**
* Add Directory
*
* @access private
* @param string the directory name
* @return void
*/
function _add_dir($dir, $file_mtime, $file_mdate)
{
$dir = str_replace("\\", "/", $dir);
$this->zipdata .=
"\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00"
.pack('v', $file_mtime)
.pack('v', $file_mdate)
.pack('V', 0) // crc32
.pack('V', 0) // compressed filesize
.pack('V', 0) // uncompressed filesize
.pack('v', strlen($dir)) // length of pathname
.pack('v', 0) // extra field length
.$dir
// below is "data descriptor" segment
.pack('V', 0) // crc32
.pack('V', 0) // compressed filesize
.pack('V', 0); // uncompressed filesize
$this->directory .=
"\x50\x4b\x01\x02\x00\x00\x0a\x00\x00\x00\x00\x00"
.pack('v', $file_mtime)
.pack('v', $file_mdate)
.pack('V',0) // crc32
.pack('V',0) // compressed filesize
.pack('V',0) // uncompressed filesize
.pack('v', strlen($dir)) // length of pathname
.pack('v', 0) // extra field length
.pack('v', 0) // file comment length
.pack('v', 0) // disk number start
.pack('v', 0) // internal file attributes
.pack('V', 16) // external file attributes - 'directory' bit set
.pack('V', $this->offset) // relative offset of local header
.$dir;
$this->offset = strlen($this->zipdata);
$this->entries++;
}
// --------------------------------------------------------------------
/**
* Add Data to Zip
*
* Lets you add files to the archive. If the path is included
* in the filename it will be placed within a directory. Make
* sure you use add_dir() first to create the folder.
*
* @access public
* @param mixed
* @param string
* @return void
*/
function add_data($filepath, $data = NULL)
{
if (is_array($filepath))
{
foreach ($filepath as $path => $data)
{
$file_data = $this->_get_mod_time($path);
$this->_add_data($path, $data, $file_data['file_mtime'], $file_data['file_mdate']);
}
}
else
{
$file_data = $this->_get_mod_time($filepath);
$this->_add_data($filepath, $data, $file_data['file_mtime'], $file_data['file_mdate']);
}
}
// --------------------------------------------------------------------
/**
* Add Data to Zip
*
* @access private
* @param string the file name/path
* @param string the data to be encoded
* @return void
*/
function _add_data($filepath, $data, $file_mtime, $file_mdate)
{
$filepath = str_replace("\\", "/", $filepath);
$uncompressed_size = strlen($data);
$crc32 = crc32($data);
$gzdata = gzcompress($data);
$gzdata = substr($gzdata, 2, -4);
$compressed_size = strlen($gzdata);
$this->zipdata .=
"\x50\x4b\x03\x04\x14\x00\x00\x00\x08\x00"
.pack('v', $file_mtime)
.pack('v', $file_mdate)
.pack('V', $crc32)
.pack('V', $compressed_size)
.pack('V', $uncompressed_size)
.pack('v', strlen($filepath)) // length of filename
.pack('v', 0) // extra field length
.$filepath
.$gzdata; // "file data" segment
$this->directory .=
"\x50\x4b\x01\x02\x00\x00\x14\x00\x00\x00\x08\x00"
.pack('v', $file_mtime)
.pack('v', $file_mdate)
.pack('V', $crc32)
.pack('V', $compressed_size)
.pack('V', $uncompressed_size)
.pack('v', strlen($filepath)) // length of filename
.pack('v', 0) // extra field length
.pack('v', 0) // file comment length
.pack('v', 0) // disk number start
.pack('v', 0) // internal file attributes
.pack('V', 32) // external file attributes - 'archive' bit set
.pack('V', $this->offset) // relative offset of local header
.$filepath;
$this->offset = strlen($this->zipdata);
$this->entries++;
$this->file_num++;
}
// --------------------------------------------------------------------
/**
* Read the contents of a file and add it to the zip
*
* @access public
* @return bool
*/
function read_file($path, $preserve_filepath = FALSE)
{
if ( ! file_exists($path))
{
return FALSE;
}
if (FALSE !== ($data = file_get_contents($path)))
{
$name = str_replace("\\", "/", $path);
if ($preserve_filepath === FALSE)
{
$name = preg_replace("|.*/(.+)|", "\\1", $name);
}
$this->add_data($name, $data);
return TRUE;
}
return FALSE;
}
// ------------------------------------------------------------------------
/**
* Read a directory and add it to the zip.
*
* This function recursively reads a folder and everything it contains (including
* sub-folders) and creates a zip based on it. Whatever directory structure
* is in the original file path will be recreated in the zip file.
*
* @access public
* @param string path to source
* @return bool
*/
function read_dir($path, $preserve_filepath = TRUE, $root_path = NULL)
{
if ( ! $fp = @opendir($path))
{
return FALSE;
}
// Set the original directory root for child dir's to use as relative
if ($root_path === NULL)
{
$root_path = dirname($path).'/';
}
while (FALSE !== ($file = readdir($fp)))
{
if (substr($file, 0, 1) == '.')
{
continue;
}
if (@is_dir($path.$file))
{
$this->read_dir($path.$file."/", $preserve_filepath, $root_path);
}
else
{
if (FALSE !== ($data = file_get_contents($path.$file)))
{
$name = str_replace("\\", "/", $path);
if ($preserve_filepath === FALSE)
{
$name = str_replace($root_path, '', $name);
}
$this->add_data($name.$file, $data);
}
}
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Get the Zip file
*
* @access public
* @return binary string
*/
function get_zip()
{
// Is there any data to return?
if ($this->entries == 0)
{
return FALSE;
}
$zip_data = $this->zipdata;
$zip_data .= $this->directory."\x50\x4b\x05\x06\x00\x00\x00\x00";
$zip_data .= pack('v', $this->entries); // total # of entries "on this disk"
$zip_data .= pack('v', $this->entries); // total # of entries overall
$zip_data .= pack('V', strlen($this->directory)); // size of central dir
$zip_data .= pack('V', strlen($this->zipdata)); // offset to start of central dir
$zip_data .= "\x00\x00"; // .zip file comment length
return $zip_data;
}
// --------------------------------------------------------------------
/**
* Write File to the specified directory
*
* Lets you write a file
*
* @access public
* @param string the file name
* @return bool
*/
function archive($filepath)
{
if ( ! ($fp = @fopen($filepath, FOPEN_WRITE_CREATE_DESTRUCTIVE)))
{
return FALSE;
}
flock($fp, LOCK_EX);
fwrite($fp, $this->get_zip());
flock($fp, LOCK_UN);
fclose($fp);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Download
*
* @access public
* @param string the file name
* @param string the data to be encoded
* @return bool
*/
function download($filename = 'backup.zip')
{
if ( ! preg_match("|.+?\.zip$|", $filename))
{
$filename .= '.zip';
}
$CI =& get_instance();
$CI->load->helper('download');
$get_zip = $this->get_zip();
$zip_content =& $get_zip;
force_download($filename, $zip_content);
}
// --------------------------------------------------------------------
/**
* Initialize Data
*
* Lets you clear current zip data. Useful if you need to create
* multiple zips with different data.
*
* @access public
* @return void
*/
function clear_data()
{
$this->zipdata = '';
$this->directory = '';
$this->entries = 0;
$this->file_num = 0;
$this->offset = 0;
}
}
/* End of file Zip.php */
/* Location: ./system/libraries/Zip.php */ | 069h-course-management | trunk/ci/system/libraries/Zip.php | PHP | mit | 10,164 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Calendar Class
*
* This class enables the creation of calendars
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/calendar.html
*/
class CI_Calendar {
var $CI;
var $lang;
var $local_time;
var $template = '';
var $start_day = 'sunday';
var $month_type = 'long';
var $day_type = 'abr';
var $show_next_prev = FALSE;
var $next_prev_url = '';
/**
* Constructor
*
* Loads the calendar language file and sets the default time reference
*/
public function __construct($config = array())
{
$this->CI =& get_instance();
if ( ! in_array('calendar_lang.php', $this->CI->lang->is_loaded, TRUE))
{
$this->CI->lang->load('calendar');
}
$this->local_time = time();
if (count($config) > 0)
{
$this->initialize($config);
}
log_message('debug', "Calendar Class Initialized");
}
// --------------------------------------------------------------------
/**
* Initialize the user preferences
*
* Accepts an associative array as input, containing display preferences
*
* @access public
* @param array config preferences
* @return void
*/
function initialize($config = array())
{
foreach ($config as $key => $val)
{
if (isset($this->$key))
{
$this->$key = $val;
}
}
}
// --------------------------------------------------------------------
/**
* Generate the calendar
*
* @access public
* @param integer the year
* @param integer the month
* @param array the data to be shown in the calendar cells
* @return string
*/
function generate($year = '', $month = '', $data = array())
{
// Set and validate the supplied month/year
if ($year == '')
$year = date("Y", $this->local_time);
if ($month == '')
$month = date("m", $this->local_time);
if (strlen($year) == 1)
$year = '200'.$year;
if (strlen($year) == 2)
$year = '20'.$year;
if (strlen($month) == 1)
$month = '0'.$month;
$adjusted_date = $this->adjust_date($month, $year);
$month = $adjusted_date['month'];
$year = $adjusted_date['year'];
// Determine the total days in the month
$total_days = $this->get_total_days($month, $year);
// Set the starting day of the week
$start_days = array('sunday' => 0, 'monday' => 1, 'tuesday' => 2, 'wednesday' => 3, 'thursday' => 4, 'friday' => 5, 'saturday' => 6);
$start_day = ( ! isset($start_days[$this->start_day])) ? 0 : $start_days[$this->start_day];
// Set the starting day number
$local_date = mktime(12, 0, 0, $month, 1, $year);
$date = getdate($local_date);
$day = $start_day + 1 - $date["wday"];
while ($day > 1)
{
$day -= 7;
}
// Set the current month/year/day
// We use this to determine the "today" date
$cur_year = date("Y", $this->local_time);
$cur_month = date("m", $this->local_time);
$cur_day = date("j", $this->local_time);
$is_current_month = ($cur_year == $year AND $cur_month == $month) ? TRUE : FALSE;
// Generate the template data array
$this->parse_template();
// Begin building the calendar output
$out = $this->temp['table_open'];
$out .= "\n";
$out .= "\n";
$out .= $this->temp['heading_row_start'];
$out .= "\n";
// "previous" month link
if ($this->show_next_prev == TRUE)
{
// Add a trailing slash to the URL if needed
$this->next_prev_url = preg_replace("/(.+?)\/*$/", "\\1/", $this->next_prev_url);
$adjusted_date = $this->adjust_date($month - 1, $year);
$out .= str_replace('{previous_url}', $this->next_prev_url.$adjusted_date['year'].'/'.$adjusted_date['month'], $this->temp['heading_previous_cell']);
$out .= "\n";
}
// Heading containing the month/year
$colspan = ($this->show_next_prev == TRUE) ? 5 : 7;
$this->temp['heading_title_cell'] = str_replace('{colspan}', $colspan, $this->temp['heading_title_cell']);
$this->temp['heading_title_cell'] = str_replace('{heading}', $this->get_month_name($month)." ".$year, $this->temp['heading_title_cell']);
$out .= $this->temp['heading_title_cell'];
$out .= "\n";
// "next" month link
if ($this->show_next_prev == TRUE)
{
$adjusted_date = $this->adjust_date($month + 1, $year);
$out .= str_replace('{next_url}', $this->next_prev_url.$adjusted_date['year'].'/'.$adjusted_date['month'], $this->temp['heading_next_cell']);
}
$out .= "\n";
$out .= $this->temp['heading_row_end'];
$out .= "\n";
// Write the cells containing the days of the week
$out .= "\n";
$out .= $this->temp['week_row_start'];
$out .= "\n";
$day_names = $this->get_day_names();
for ($i = 0; $i < 7; $i ++)
{
$out .= str_replace('{week_day}', $day_names[($start_day + $i) %7], $this->temp['week_day_cell']);
}
$out .= "\n";
$out .= $this->temp['week_row_end'];
$out .= "\n";
// Build the main body of the calendar
while ($day <= $total_days)
{
$out .= "\n";
$out .= $this->temp['cal_row_start'];
$out .= "\n";
for ($i = 0; $i < 7; $i++)
{
$out .= ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_start_today'] : $this->temp['cal_cell_start'];
if ($day > 0 AND $day <= $total_days)
{
if (isset($data[$day]))
{
// Cells with content
$temp = ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_content_today'] : $this->temp['cal_cell_content'];
$out .= str_replace('{day}', $day, str_replace('{content}', $data[$day], $temp));
}
else
{
// Cells with no content
$temp = ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_no_content_today'] : $this->temp['cal_cell_no_content'];
$out .= str_replace('{day}', $day, $temp);
}
}
else
{
// Blank cells
$out .= $this->temp['cal_cell_blank'];
}
$out .= ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_end_today'] : $this->temp['cal_cell_end'];
$day++;
}
$out .= "\n";
$out .= $this->temp['cal_row_end'];
$out .= "\n";
}
$out .= "\n";
$out .= $this->temp['table_close'];
return $out;
}
// --------------------------------------------------------------------
/**
* Get Month Name
*
* Generates a textual month name based on the numeric
* month provided.
*
* @access public
* @param integer the month
* @return string
*/
function get_month_name($month)
{
if ($this->month_type == 'short')
{
$month_names = array('01' => 'cal_jan', '02' => 'cal_feb', '03' => 'cal_mar', '04' => 'cal_apr', '05' => 'cal_may', '06' => 'cal_jun', '07' => 'cal_jul', '08' => 'cal_aug', '09' => 'cal_sep', '10' => 'cal_oct', '11' => 'cal_nov', '12' => 'cal_dec');
}
else
{
$month_names = array('01' => 'cal_january', '02' => 'cal_february', '03' => 'cal_march', '04' => 'cal_april', '05' => 'cal_mayl', '06' => 'cal_june', '07' => 'cal_july', '08' => 'cal_august', '09' => 'cal_september', '10' => 'cal_october', '11' => 'cal_november', '12' => 'cal_december');
}
$month = $month_names[$month];
if ($this->CI->lang->line($month) === FALSE)
{
return ucfirst(str_replace('cal_', '', $month));
}
return $this->CI->lang->line($month);
}
// --------------------------------------------------------------------
/**
* Get Day Names
*
* Returns an array of day names (Sunday, Monday, etc.) based
* on the type. Options: long, short, abrev
*
* @access public
* @param string
* @return array
*/
function get_day_names($day_type = '')
{
if ($day_type != '')
$this->day_type = $day_type;
if ($this->day_type == 'long')
{
$day_names = array('sunday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday');
}
elseif ($this->day_type == 'short')
{
$day_names = array('sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat');
}
else
{
$day_names = array('su', 'mo', 'tu', 'we', 'th', 'fr', 'sa');
}
$days = array();
foreach ($day_names as $val)
{
$days[] = ($this->CI->lang->line('cal_'.$val) === FALSE) ? ucfirst($val) : $this->CI->lang->line('cal_'.$val);
}
return $days;
}
// --------------------------------------------------------------------
/**
* Adjust Date
*
* This function makes sure that we have a valid month/year.
* For example, if you submit 13 as the month, the year will
* increment and the month will become January.
*
* @access public
* @param integer the month
* @param integer the year
* @return array
*/
function adjust_date($month, $year)
{
$date = array();
$date['month'] = $month;
$date['year'] = $year;
while ($date['month'] > 12)
{
$date['month'] -= 12;
$date['year']++;
}
while ($date['month'] <= 0)
{
$date['month'] += 12;
$date['year']--;
}
if (strlen($date['month']) == 1)
{
$date['month'] = '0'.$date['month'];
}
return $date;
}
// --------------------------------------------------------------------
/**
* Total days in a given month
*
* @access public
* @param integer the month
* @param integer the year
* @return integer
*/
function get_total_days($month, $year)
{
$days_in_month = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
if ($month < 1 OR $month > 12)
{
return 0;
}
// Is the year a leap year?
if ($month == 2)
{
if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0))
{
return 29;
}
}
return $days_in_month[$month - 1];
}
// --------------------------------------------------------------------
/**
* Set Default Template Data
*
* This is used in the event that the user has not created their own template
*
* @access public
* @return array
*/
function default_template()
{
return array (
'table_open' => '<table border="0" cellpadding="4" cellspacing="0">',
'heading_row_start' => '<tr>',
'heading_previous_cell' => '<th><a href="{previous_url}"><<</a></th>',
'heading_title_cell' => '<th colspan="{colspan}">{heading}</th>',
'heading_next_cell' => '<th><a href="{next_url}">>></a></th>',
'heading_row_end' => '</tr>',
'week_row_start' => '<tr>',
'week_day_cell' => '<td>{week_day}</td>',
'week_row_end' => '</tr>',
'cal_row_start' => '<tr>',
'cal_cell_start' => '<td>',
'cal_cell_start_today' => '<td>',
'cal_cell_content' => '<a href="{content}">{day}</a>',
'cal_cell_content_today' => '<a href="{content}"><strong>{day}</strong></a>',
'cal_cell_no_content' => '{day}',
'cal_cell_no_content_today' => '<strong>{day}</strong>',
'cal_cell_blank' => ' ',
'cal_cell_end' => '</td>',
'cal_cell_end_today' => '</td>',
'cal_row_end' => '</tr>',
'table_close' => '</table>'
);
}
// --------------------------------------------------------------------
/**
* Parse Template
*
* Harvests the data within the template {pseudo-variables}
* used to display the calendar
*
* @access public
* @return void
*/
function parse_template()
{
$this->temp = $this->default_template();
if ($this->template == '')
{
return;
}
$today = array('cal_cell_start_today', 'cal_cell_content_today', 'cal_cell_no_content_today', 'cal_cell_end_today');
foreach (array('table_open', 'table_close', 'heading_row_start', 'heading_previous_cell', 'heading_title_cell', 'heading_next_cell', 'heading_row_end', 'week_row_start', 'week_day_cell', 'week_row_end', 'cal_row_start', 'cal_cell_start', 'cal_cell_content', 'cal_cell_no_content', 'cal_cell_blank', 'cal_cell_end', 'cal_row_end', 'cal_cell_start_today', 'cal_cell_content_today', 'cal_cell_no_content_today', 'cal_cell_end_today') as $val)
{
if (preg_match("/\{".$val."\}(.*?)\{\/".$val."\}/si", $this->template, $match))
{
$this->temp[$val] = $match['1'];
}
else
{
if (in_array($val, $today, TRUE))
{
$this->temp[$val] = $this->temp[str_replace('_today', '', $val)];
}
}
}
}
}
// END CI_Calendar class
/* End of file Calendar.php */
/* Location: ./system/libraries/Calendar.php */ | 069h-course-management | trunk/ci/system/libraries/Calendar.php | PHP | mit | 12,667 |
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html> | 069h-course-management | trunk/ci/system/libraries/index.html | HTML | mit | 114 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.3.1
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Unit Testing Class
*
* Simple testing class
*
* @package CodeIgniter
* @subpackage Libraries
* @category UnitTesting
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/uri.html
*/
class CI_Unit_test {
var $active = TRUE;
var $results = array();
var $strict = FALSE;
var $_template = NULL;
var $_template_rows = NULL;
var $_test_items_visible = array();
public function __construct()
{
// These are the default items visible when a test is run.
$this->_test_items_visible = array (
'test_name',
'test_datatype',
'res_datatype',
'result',
'file',
'line',
'notes'
);
log_message('debug', "Unit Testing Class Initialized");
}
// --------------------------------------------------------------------
/**
* Run the tests
*
* Runs the supplied tests
*
* @access public
* @param array
* @return void
*/
function set_test_items($items = array())
{
if ( ! empty($items) AND is_array($items))
{
$this->_test_items_visible = $items;
}
}
// --------------------------------------------------------------------
/**
* Run the tests
*
* Runs the supplied tests
*
* @access public
* @param mixed
* @param mixed
* @param string
* @return string
*/
function run($test, $expected = TRUE, $test_name = 'undefined', $notes = '')
{
if ($this->active == FALSE)
{
return FALSE;
}
if (in_array($expected, array('is_object', 'is_string', 'is_bool', 'is_true', 'is_false', 'is_int', 'is_numeric', 'is_float', 'is_double', 'is_array', 'is_null'), TRUE))
{
$expected = str_replace('is_float', 'is_double', $expected);
$result = ($expected($test)) ? TRUE : FALSE;
$extype = str_replace(array('true', 'false'), 'bool', str_replace('is_', '', $expected));
}
else
{
if ($this->strict == TRUE)
$result = ($test === $expected) ? TRUE : FALSE;
else
$result = ($test == $expected) ? TRUE : FALSE;
$extype = gettype($expected);
}
$back = $this->_backtrace();
$report[] = array (
'test_name' => $test_name,
'test_datatype' => gettype($test),
'res_datatype' => $extype,
'result' => ($result === TRUE) ? 'passed' : 'failed',
'file' => $back['file'],
'line' => $back['line'],
'notes' => $notes
);
$this->results[] = $report;
return($this->report($this->result($report)));
}
// --------------------------------------------------------------------
/**
* Generate a report
*
* Displays a table with the test data
*
* @access public
* @return string
*/
function report($result = array())
{
if (count($result) == 0)
{
$result = $this->result();
}
$CI =& get_instance();
$CI->load->language('unit_test');
$this->_parse_template();
$r = '';
foreach ($result as $res)
{
$table = '';
foreach ($res as $key => $val)
{
if ($key == $CI->lang->line('ut_result'))
{
if ($val == $CI->lang->line('ut_passed'))
{
$val = '<span style="color: #0C0;">'.$val.'</span>';
}
elseif ($val == $CI->lang->line('ut_failed'))
{
$val = '<span style="color: #C00;">'.$val.'</span>';
}
}
$temp = $this->_template_rows;
$temp = str_replace('{item}', $key, $temp);
$temp = str_replace('{result}', $val, $temp);
$table .= $temp;
}
$r .= str_replace('{rows}', $table, $this->_template);
}
return $r;
}
// --------------------------------------------------------------------
/**
* Use strict comparison
*
* Causes the evaluation to use === rather than ==
*
* @access public
* @param bool
* @return null
*/
function use_strict($state = TRUE)
{
$this->strict = ($state == FALSE) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Make Unit testing active
*
* Enables/disables unit testing
*
* @access public
* @param bool
* @return null
*/
function active($state = TRUE)
{
$this->active = ($state == FALSE) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Result Array
*
* Returns the raw result data
*
* @access public
* @return array
*/
function result($results = array())
{
$CI =& get_instance();
$CI->load->language('unit_test');
if (count($results) == 0)
{
$results = $this->results;
}
$retval = array();
foreach ($results as $result)
{
$temp = array();
foreach ($result as $key => $val)
{
if ( ! in_array($key, $this->_test_items_visible))
{
continue;
}
if (is_array($val))
{
foreach ($val as $k => $v)
{
if (FALSE !== ($line = $CI->lang->line(strtolower('ut_'.$v))))
{
$v = $line;
}
$temp[$CI->lang->line('ut_'.$k)] = $v;
}
}
else
{
if (FALSE !== ($line = $CI->lang->line(strtolower('ut_'.$val))))
{
$val = $line;
}
$temp[$CI->lang->line('ut_'.$key)] = $val;
}
}
$retval[] = $temp;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Set the template
*
* This lets us set the template to be used to display results
*
* @access public
* @param string
* @return void
*/
function set_template($template)
{
$this->_template = $template;
}
// --------------------------------------------------------------------
/**
* Generate a backtrace
*
* This lets us show file names and line numbers
*
* @access private
* @return array
*/
function _backtrace()
{
if (function_exists('debug_backtrace'))
{
$back = debug_backtrace();
$file = ( ! isset($back['1']['file'])) ? '' : $back['1']['file'];
$line = ( ! isset($back['1']['line'])) ? '' : $back['1']['line'];
return array('file' => $file, 'line' => $line);
}
return array('file' => 'Unknown', 'line' => 'Unknown');
}
// --------------------------------------------------------------------
/**
* Get Default Template
*
* @access private
* @return string
*/
function _default_template()
{
$this->_template = "\n".'<table style="width:100%; font-size:small; margin:10px 0; border-collapse:collapse; border:1px solid #CCC;">';
$this->_template .= '{rows}';
$this->_template .= "\n".'</table>';
$this->_template_rows = "\n\t".'<tr>';
$this->_template_rows .= "\n\t\t".'<th style="text-align: left; border-bottom:1px solid #CCC;">{item}</th>';
$this->_template_rows .= "\n\t\t".'<td style="border-bottom:1px solid #CCC;">{result}</td>';
$this->_template_rows .= "\n\t".'</tr>';
}
// --------------------------------------------------------------------
/**
* Parse Template
*
* Harvests the data within the template {pseudo-variables}
*
* @access private
* @return void
*/
function _parse_template()
{
if ( ! is_null($this->_template_rows))
{
return;
}
if (is_null($this->_template))
{
$this->_default_template();
return;
}
if ( ! preg_match("/\{rows\}(.*?)\{\/rows\}/si", $this->_template, $match))
{
$this->_default_template();
return;
}
$this->_template_rows = $match['1'];
$this->_template = str_replace($match['0'], '{rows}', $this->_template);
}
}
// END Unit_test Class
/**
* Helper functions to test boolean true/false
*
*
* @access private
* @return bool
*/
function is_true($test)
{
return (is_bool($test) AND $test === TRUE) ? TRUE : FALSE;
}
function is_false($test)
{
return (is_bool($test) AND $test === FALSE) ? TRUE : FALSE;
}
/* End of file Unit_test.php */
/* Location: ./system/libraries/Unit_test.php */ | 069h-course-management | trunk/ci/system/libraries/Unit_test.php | PHP | mit | 8,200 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2006 - 2012, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Shopping Cart Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Shopping Cart
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/cart.html
*/
class CI_Cart {
// These are the regular expression rules that we use to validate the product ID and product name
var $product_id_rules = '\.a-z0-9_-'; // alpha-numeric, dashes, underscores, or periods
var $product_name_rules = '\.\:\-_ a-z0-9'; // alpha-numeric, dashes, underscores, colons or periods
// Private variables. Do not change!
var $CI;
var $_cart_contents = array();
/**
* Shopping Class Constructor
*
* The constructor loads the Session class, used to store the shopping cart contents.
*/
public function __construct($params = array())
{
// Set the super object to a local variable for use later
$this->CI =& get_instance();
// Are any config settings being passed manually? If so, set them
$config = array();
if (count($params) > 0)
{
foreach ($params as $key => $val)
{
$config[$key] = $val;
}
}
// Load the Sessions class
$this->CI->load->library('session', $config);
// Grab the shopping cart array from the session table, if it exists
if ($this->CI->session->userdata('cart_contents') !== FALSE)
{
$this->_cart_contents = $this->CI->session->userdata('cart_contents');
}
else
{
// No cart exists so we'll set some base values
$this->_cart_contents['cart_total'] = 0;
$this->_cart_contents['total_items'] = 0;
}
log_message('debug', "Cart Class Initialized");
}
// --------------------------------------------------------------------
/**
* Insert items into the cart and save it to the session table
*
* @access public
* @param array
* @return bool
*/
function insert($items = array())
{
// Was any cart data passed? No? Bah...
if ( ! is_array($items) OR count($items) == 0)
{
log_message('error', 'The insert method must be passed an array containing data.');
return FALSE;
}
// You can either insert a single product using a one-dimensional array,
// or multiple products using a multi-dimensional one. The way we
// determine the array type is by looking for a required array key named "id"
// at the top level. If it's not found, we will assume it's a multi-dimensional array.
$save_cart = FALSE;
if (isset($items['id']))
{
if (($rowid = $this->_insert($items)))
{
$save_cart = TRUE;
}
}
else
{
foreach ($items as $val)
{
if (is_array($val) AND isset($val['id']))
{
if ($this->_insert($val))
{
$save_cart = TRUE;
}
}
}
}
// Save the cart data if the insert was successful
if ($save_cart == TRUE)
{
$this->_save_cart();
return isset($rowid) ? $rowid : TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Insert
*
* @access private
* @param array
* @return bool
*/
function _insert($items = array())
{
// Was any cart data passed? No? Bah...
if ( ! is_array($items) OR count($items) == 0)
{
log_message('error', 'The insert method must be passed an array containing data.');
return FALSE;
}
// --------------------------------------------------------------------
// Does the $items array contain an id, quantity, price, and name? These are required
if ( ! isset($items['id']) OR ! isset($items['qty']) OR ! isset($items['price']) OR ! isset($items['name']))
{
log_message('error', 'The cart array must contain a product ID, quantity, price, and name.');
return FALSE;
}
// --------------------------------------------------------------------
// Prep the quantity. It can only be a number. Duh...
$items['qty'] = trim(preg_replace('/([^0-9])/i', '', $items['qty']));
// Trim any leading zeros
$items['qty'] = trim(preg_replace('/(^[0]+)/i', '', $items['qty']));
// If the quantity is zero or blank there's nothing for us to do
if ( ! is_numeric($items['qty']) OR $items['qty'] == 0)
{
return FALSE;
}
// --------------------------------------------------------------------
// Validate the product ID. It can only be alpha-numeric, dashes, underscores or periods
// Not totally sure we should impose this rule, but it seems prudent to standardize IDs.
// Note: These can be user-specified by setting the $this->product_id_rules variable.
if ( ! preg_match("/^[".$this->product_id_rules."]+$/i", $items['id']))
{
log_message('error', 'Invalid product ID. The product ID can only contain alpha-numeric characters, dashes, and underscores');
return FALSE;
}
// --------------------------------------------------------------------
// Validate the product name. It can only be alpha-numeric, dashes, underscores, colons or periods.
// Note: These can be user-specified by setting the $this->product_name_rules variable.
if ( ! preg_match("/^[".$this->product_name_rules."]+$/i", $items['name']))
{
log_message('error', 'An invalid name was submitted as the product name: '.$items['name'].' The name can only contain alpha-numeric characters, dashes, underscores, colons, and spaces');
return FALSE;
}
// --------------------------------------------------------------------
// Prep the price. Remove anything that isn't a number or decimal point.
$items['price'] = trim(preg_replace('/([^0-9\.])/i', '', $items['price']));
// Trim any leading zeros
$items['price'] = trim(preg_replace('/(^[0]+)/i', '', $items['price']));
// Is the price a valid number?
if ( ! is_numeric($items['price']))
{
log_message('error', 'An invalid price was submitted for product ID: '.$items['id']);
return FALSE;
}
// --------------------------------------------------------------------
// We now need to create a unique identifier for the item being inserted into the cart.
// Every time something is added to the cart it is stored in the master cart array.
// Each row in the cart array, however, must have a unique index that identifies not only
// a particular product, but makes it possible to store identical products with different options.
// For example, what if someone buys two identical t-shirts (same product ID), but in
// different sizes? The product ID (and other attributes, like the name) will be identical for
// both sizes because it's the same shirt. The only difference will be the size.
// Internally, we need to treat identical submissions, but with different options, as a unique product.
// Our solution is to convert the options array to a string and MD5 it along with the product ID.
// This becomes the unique "row ID"
if (isset($items['options']) AND count($items['options']) > 0)
{
$rowid = md5($items['id'].implode('', $items['options']));
}
else
{
// No options were submitted so we simply MD5 the product ID.
// Technically, we don't need to MD5 the ID in this case, but it makes
// sense to standardize the format of array indexes for both conditions
$rowid = md5($items['id']);
}
// --------------------------------------------------------------------
// Now that we have our unique "row ID", we'll add our cart items to the master array
// let's unset this first, just to make sure our index contains only the data from this submission
unset($this->_cart_contents[$rowid]);
// Create a new index with our new row ID
$this->_cart_contents[$rowid]['rowid'] = $rowid;
// And add the new items to the cart array
foreach ($items as $key => $val)
{
$this->_cart_contents[$rowid][$key] = $val;
}
// Woot!
return $rowid;
}
// --------------------------------------------------------------------
/**
* Update the cart
*
* This function permits the quantity of a given item to be changed.
* Typically it is called from the "view cart" page if a user makes
* changes to the quantity before checkout. That array must contain the
* product ID and quantity for each item.
*
* @access public
* @param array
* @param string
* @return bool
*/
function update($items = array())
{
// Was any cart data passed?
if ( ! is_array($items) OR count($items) == 0)
{
return FALSE;
}
// You can either update a single product using a one-dimensional array,
// or multiple products using a multi-dimensional one. The way we
// determine the array type is by looking for a required array key named "id".
// If it's not found we assume it's a multi-dimensional array
$save_cart = FALSE;
if (isset($items['rowid']) AND isset($items['qty']))
{
if ($this->_update($items) == TRUE)
{
$save_cart = TRUE;
}
}
else
{
foreach ($items as $val)
{
if (is_array($val) AND isset($val['rowid']) AND isset($val['qty']))
{
if ($this->_update($val) == TRUE)
{
$save_cart = TRUE;
}
}
}
}
// Save the cart data if the insert was successful
if ($save_cart == TRUE)
{
$this->_save_cart();
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Update the cart
*
* This function permits the quantity of a given item to be changed.
* Typically it is called from the "view cart" page if a user makes
* changes to the quantity before checkout. That array must contain the
* product ID and quantity for each item.
*
* @access private
* @param array
* @return bool
*/
function _update($items = array())
{
// Without these array indexes there is nothing we can do
if ( ! isset($items['qty']) OR ! isset($items['rowid']) OR ! isset($this->_cart_contents[$items['rowid']]))
{
return FALSE;
}
// Prep the quantity
$items['qty'] = preg_replace('/([^0-9])/i', '', $items['qty']);
// Is the quantity a number?
if ( ! is_numeric($items['qty']))
{
return FALSE;
}
// Is the new quantity different than what is already saved in the cart?
// If it's the same there's nothing to do
if ($this->_cart_contents[$items['rowid']]['qty'] == $items['qty'])
{
return FALSE;
}
// Is the quantity zero? If so we will remove the item from the cart.
// If the quantity is greater than zero we are updating
if ($items['qty'] == 0)
{
unset($this->_cart_contents[$items['rowid']]);
}
else
{
$this->_cart_contents[$items['rowid']]['qty'] = $items['qty'];
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Save the cart array to the session DB
*
* @access private
* @return bool
*/
function _save_cart()
{
// Unset these so our total can be calculated correctly below
unset($this->_cart_contents['total_items']);
unset($this->_cart_contents['cart_total']);
// Lets add up the individual prices and set the cart sub-total
$total = 0;
$items = 0;
foreach ($this->_cart_contents as $key => $val)
{
// We make sure the array contains the proper indexes
if ( ! is_array($val) OR ! isset($val['price']) OR ! isset($val['qty']))
{
continue;
}
$total += ($val['price'] * $val['qty']);
$items += $val['qty'];
// Set the subtotal
$this->_cart_contents[$key]['subtotal'] = ($this->_cart_contents[$key]['price'] * $this->_cart_contents[$key]['qty']);
}
// Set the cart total and total items.
$this->_cart_contents['total_items'] = $items;
$this->_cart_contents['cart_total'] = $total;
// Is our cart empty? If so we delete it from the session
if (count($this->_cart_contents) <= 2)
{
$this->CI->session->unset_userdata('cart_contents');
// Nothing more to do... coffee time!
return FALSE;
}
// If we made it this far it means that our cart has data.
// Let's pass it to the Session class so it can be stored
$this->CI->session->set_userdata(array('cart_contents' => $this->_cart_contents));
// Woot!
return TRUE;
}
// --------------------------------------------------------------------
/**
* Cart Total
*
* @access public
* @return integer
*/
function total()
{
return $this->_cart_contents['cart_total'];
}
// --------------------------------------------------------------------
/**
* Total Items
*
* Returns the total item count
*
* @access public
* @return integer
*/
function total_items()
{
return $this->_cart_contents['total_items'];
}
// --------------------------------------------------------------------
/**
* Cart Contents
*
* Returns the entire cart array
*
* @access public
* @return array
*/
function contents()
{
$cart = $this->_cart_contents;
// Remove these so they don't create a problem when showing the cart table
unset($cart['total_items']);
unset($cart['cart_total']);
return $cart;
}
// --------------------------------------------------------------------
/**
* Has options
*
* Returns TRUE if the rowid passed to this function correlates to an item
* that has options associated with it.
*
* @access public
* @return array
*/
function has_options($rowid = '')
{
if ( ! isset($this->_cart_contents[$rowid]['options']) OR count($this->_cart_contents[$rowid]['options']) === 0)
{
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Product options
*
* Returns the an array of options, for a particular product row ID
*
* @access public
* @return array
*/
function product_options($rowid = '')
{
if ( ! isset($this->_cart_contents[$rowid]['options']))
{
return array();
}
return $this->_cart_contents[$rowid]['options'];
}
// --------------------------------------------------------------------
/**
* Format Number
*
* Returns the supplied number with commas and a decimal point.
*
* @access public
* @return integer
*/
function format_number($n = '')
{
if ($n == '')
{
return '';
}
// Remove anything that isn't a number or decimal point.
$n = trim(preg_replace('/([^0-9\.])/i', '', $n));
return number_format($n, 2, '.', ',');
}
// --------------------------------------------------------------------
/**
* Destroy the cart
*
* Empties the cart and kills the session
*
* @access public
* @return null
*/
function destroy()
{
unset($this->_cart_contents);
$this->_cart_contents['cart_total'] = 0;
$this->_cart_contents['total_items'] = 0;
$this->CI->session->unset_userdata('cart_contents');
}
}
// END Cart Class
/* End of file Cart.php */
/* Location: ./system/libraries/Cart.php */ | 069h-course-management | trunk/ci/system/libraries/Cart.php | PHP | mit | 15,070 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://www.codeigniter.com/user_guide/license.html
* @link http://www.codeigniter.com
* @since Version 1.0
* @filesource
*/
/**
* Jquery Class
*
* @package CodeIgniter
* @subpackage Libraries
* @author ExpressionEngine Dev Team
* @category Loader
* @link http://www.codeigniter.com/user_guide/libraries/javascript.html
*/
class CI_Jquery extends CI_Javascript {
var $_javascript_folder = 'js';
var $jquery_code_for_load = array();
var $jquery_code_for_compile = array();
var $jquery_corner_active = FALSE;
var $jquery_table_sorter_active = FALSE;
var $jquery_table_sorter_pager_active = FALSE;
var $jquery_ajax_img = '';
public function __construct($params)
{
$this->CI =& get_instance();
extract($params);
if ($autoload === TRUE)
{
$this->script();
}
log_message('debug', "Jquery Class Initialized");
}
// --------------------------------------------------------------------
// Event Code
// --------------------------------------------------------------------
/**
* Blur
*
* Outputs a jQuery blur event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _blur($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'blur');
}
// --------------------------------------------------------------------
/**
* Change
*
* Outputs a jQuery change event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _change($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'change');
}
// --------------------------------------------------------------------
/**
* Click
*
* Outputs a jQuery click event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @param boolean whether or not to return false
* @return string
*/
function _click($element = 'this', $js = '', $ret_false = TRUE)
{
if ( ! is_array($js))
{
$js = array($js);
}
if ($ret_false)
{
$js[] = "return false;";
}
return $this->_add_event($element, $js, 'click');
}
// --------------------------------------------------------------------
/**
* Double Click
*
* Outputs a jQuery dblclick event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _dblclick($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'dblclick');
}
// --------------------------------------------------------------------
/**
* Error
*
* Outputs a jQuery error event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _error($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'error');
}
// --------------------------------------------------------------------
/**
* Focus
*
* Outputs a jQuery focus event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _focus($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'focus');
}
// --------------------------------------------------------------------
/**
* Hover
*
* Outputs a jQuery hover event
*
* @access private
* @param string - element
* @param string - Javascript code for mouse over
* @param string - Javascript code for mouse out
* @return string
*/
function _hover($element = 'this', $over, $out)
{
$event = "\n\t$(" . $this->_prep_element($element) . ").hover(\n\t\tfunction()\n\t\t{\n\t\t\t{$over}\n\t\t}, \n\t\tfunction()\n\t\t{\n\t\t\t{$out}\n\t\t});\n";
$this->jquery_code_for_compile[] = $event;
return $event;
}
// --------------------------------------------------------------------
/**
* Keydown
*
* Outputs a jQuery keydown event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _keydown($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'keydown');
}
// --------------------------------------------------------------------
/**
* Keyup
*
* Outputs a jQuery keydown event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _keyup($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'keyup');
}
// --------------------------------------------------------------------
/**
* Load
*
* Outputs a jQuery load event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _load($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'load');
}
// --------------------------------------------------------------------
/**
* Mousedown
*
* Outputs a jQuery mousedown event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _mousedown($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'mousedown');
}
// --------------------------------------------------------------------
/**
* Mouse Out
*
* Outputs a jQuery mouseout event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _mouseout($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'mouseout');
}
// --------------------------------------------------------------------
/**
* Mouse Over
*
* Outputs a jQuery mouseover event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _mouseover($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'mouseover');
}
// --------------------------------------------------------------------
/**
* Mouseup
*
* Outputs a jQuery mouseup event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _mouseup($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'mouseup');
}
// --------------------------------------------------------------------
/**
* Output
*
* Outputs script directly
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _output($array_js = '')
{
if ( ! is_array($array_js))
{
$array_js = array($array_js);
}
foreach ($array_js as $js)
{
$this->jquery_code_for_compile[] = "\t$js\n";
}
}
// --------------------------------------------------------------------
/**
* Resize
*
* Outputs a jQuery resize event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _resize($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'resize');
}
// --------------------------------------------------------------------
/**
* Scroll
*
* Outputs a jQuery scroll event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _scroll($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'scroll');
}
// --------------------------------------------------------------------
/**
* Unload
*
* Outputs a jQuery unload event
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function _unload($element = 'this', $js = '')
{
return $this->_add_event($element, $js, 'unload');
}
// --------------------------------------------------------------------
// Effects
// --------------------------------------------------------------------
/**
* Add Class
*
* Outputs a jQuery addClass event
*
* @access private
* @param string - element
* @return string
*/
function _addClass($element = 'this', $class='')
{
$element = $this->_prep_element($element);
$str = "$({$element}).addClass(\"$class\");";
return $str;
}
// --------------------------------------------------------------------
/**
* Animate
*
* Outputs a jQuery animate event
*
* @access private
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function _animate($element = 'this', $params = array(), $speed = '', $extra = '')
{
$element = $this->_prep_element($element);
$speed = $this->_validate_speed($speed);
$animations = "\t\t\t";
foreach ($params as $param=>$value)
{
$animations .= $param.': \''.$value.'\', ';
}
$animations = substr($animations, 0, -2); // remove the last ", "
if ($speed != '')
{
$speed = ', '.$speed;
}
if ($extra != '')
{
$extra = ', '.$extra;
}
$str = "$({$element}).animate({\n$animations\n\t\t}".$speed.$extra.");";
return $str;
}
// --------------------------------------------------------------------
/**
* Fade In
*
* Outputs a jQuery hide event
*
* @access private
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function _fadeIn($element = 'this', $speed = '', $callback = '')
{
$element = $this->_prep_element($element);
$speed = $this->_validate_speed($speed);
if ($callback != '')
{
$callback = ", function(){\n{$callback}\n}";
}
$str = "$({$element}).fadeIn({$speed}{$callback});";
return $str;
}
// --------------------------------------------------------------------
/**
* Fade Out
*
* Outputs a jQuery hide event
*
* @access private
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function _fadeOut($element = 'this', $speed = '', $callback = '')
{
$element = $this->_prep_element($element);
$speed = $this->_validate_speed($speed);
if ($callback != '')
{
$callback = ", function(){\n{$callback}\n}";
}
$str = "$({$element}).fadeOut({$speed}{$callback});";
return $str;
}
// --------------------------------------------------------------------
/**
* Hide
*
* Outputs a jQuery hide action
*
* @access private
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function _hide($element = 'this', $speed = '', $callback = '')
{
$element = $this->_prep_element($element);
$speed = $this->_validate_speed($speed);
if ($callback != '')
{
$callback = ", function(){\n{$callback}\n}";
}
$str = "$({$element}).hide({$speed}{$callback});";
return $str;
}
// --------------------------------------------------------------------
/**
* Remove Class
*
* Outputs a jQuery remove class event
*
* @access private
* @param string - element
* @return string
*/
function _removeClass($element = 'this', $class='')
{
$element = $this->_prep_element($element);
$str = "$({$element}).removeClass(\"$class\");";
return $str;
}
// --------------------------------------------------------------------
/**
* Slide Up
*
* Outputs a jQuery slideUp event
*
* @access private
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function _slideUp($element = 'this', $speed = '', $callback = '')
{
$element = $this->_prep_element($element);
$speed = $this->_validate_speed($speed);
if ($callback != '')
{
$callback = ", function(){\n{$callback}\n}";
}
$str = "$({$element}).slideUp({$speed}{$callback});";
return $str;
}
// --------------------------------------------------------------------
/**
* Slide Down
*
* Outputs a jQuery slideDown event
*
* @access private
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function _slideDown($element = 'this', $speed = '', $callback = '')
{
$element = $this->_prep_element($element);
$speed = $this->_validate_speed($speed);
if ($callback != '')
{
$callback = ", function(){\n{$callback}\n}";
}
$str = "$({$element}).slideDown({$speed}{$callback});";
return $str;
}
// --------------------------------------------------------------------
/**
* Slide Toggle
*
* Outputs a jQuery slideToggle event
*
* @access public
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function _slideToggle($element = 'this', $speed = '', $callback = '')
{
$element = $this->_prep_element($element);
$speed = $this->_validate_speed($speed);
if ($callback != '')
{
$callback = ", function(){\n{$callback}\n}";
}
$str = "$({$element}).slideToggle({$speed}{$callback});";
return $str;
}
// --------------------------------------------------------------------
/**
* Toggle
*
* Outputs a jQuery toggle event
*
* @access private
* @param string - element
* @return string
*/
function _toggle($element = 'this')
{
$element = $this->_prep_element($element);
$str = "$({$element}).toggle();";
return $str;
}
// --------------------------------------------------------------------
/**
* Toggle Class
*
* Outputs a jQuery toggle class event
*
* @access private
* @param string - element
* @return string
*/
function _toggleClass($element = 'this', $class='')
{
$element = $this->_prep_element($element);
$str = "$({$element}).toggleClass(\"$class\");";
return $str;
}
// --------------------------------------------------------------------
/**
* Show
*
* Outputs a jQuery show event
*
* @access private
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function _show($element = 'this', $speed = '', $callback = '')
{
$element = $this->_prep_element($element);
$speed = $this->_validate_speed($speed);
if ($callback != '')
{
$callback = ", function(){\n{$callback}\n}";
}
$str = "$({$element}).show({$speed}{$callback});";
return $str;
}
// --------------------------------------------------------------------
/**
* Updater
*
* An Ajax call that populates the designated DOM node with
* returned content
*
* @access private
* @param string The element to attach the event to
* @param string the controller to run the call against
* @param string optional parameters
* @return string
*/
function _updater($container = 'this', $controller, $options = '')
{
$container = $this->_prep_element($container);
$controller = (strpos('://', $controller) === FALSE) ? $controller : $this->CI->config->site_url($controller);
// ajaxStart and ajaxStop are better choices here... but this is a stop gap
if ($this->CI->config->item('javascript_ajax_img') == '')
{
$loading_notifier = "Loading...";
}
else
{
$loading_notifier = '<img src=\'' . $this->CI->config->slash_item('base_url') . $this->CI->config->item('javascript_ajax_img') . '\' alt=\'Loading\' />';
}
$updater = "$($container).empty();\n"; // anything that was in... get it out
$updater .= "\t\t$($container).prepend(\"$loading_notifier\");\n"; // to replace with an image
$request_options = '';
if ($options != '')
{
$request_options .= ", {";
$request_options .= (is_array($options)) ? "'".implode("', '", $options)."'" : "'".str_replace(":", "':'", $options)."'";
$request_options .= "}";
}
$updater .= "\t\t$($container).load('$controller'$request_options);";
return $updater;
}
// --------------------------------------------------------------------
// Pre-written handy stuff
// --------------------------------------------------------------------
/**
* Zebra tables
*
* @access private
* @param string table name
* @param string plugin location
* @return string
*/
function _zebraTables($class = '', $odd = 'odd', $hover = '')
{
$class = ($class != '') ? '.'.$class : '';
$zebra = "\t\$(\"table{$class} tbody tr:nth-child(even)\").addClass(\"{$odd}\");";
$this->jquery_code_for_compile[] = $zebra;
if ($hover != '')
{
$hover = $this->hover("table{$class} tbody tr", "$(this).addClass('hover');", "$(this).removeClass('hover');");
}
return $zebra;
}
// --------------------------------------------------------------------
// Plugins
// --------------------------------------------------------------------
/**
* Corner Plugin
*
* http://www.malsup.com/jquery/corner/
*
* @access public
* @param string target
* @return string
*/
function corner($element = '', $corner_style = '')
{
// may want to make this configurable down the road
$corner_location = '/plugins/jquery.corner.js';
if ($corner_style != '')
{
$corner_style = '"'.$corner_style.'"';
}
return "$(" . $this->_prep_element($element) . ").corner(".$corner_style.");";
}
// --------------------------------------------------------------------
/**
* modal window
*
* Load a thickbox modal window
*
* @access public
* @return void
*/
function modal($src, $relative = FALSE)
{
$this->jquery_code_for_load[] = $this->external($src, $relative);
}
// --------------------------------------------------------------------
/**
* Effect
*
* Load an Effect library
*
* @access public
* @return void
*/
function effect($src, $relative = FALSE)
{
$this->jquery_code_for_load[] = $this->external($src, $relative);
}
// --------------------------------------------------------------------
/**
* Plugin
*
* Load a plugin library
*
* @access public
* @return void
*/
function plugin($src, $relative = FALSE)
{
$this->jquery_code_for_load[] = $this->external($src, $relative);
}
// --------------------------------------------------------------------
/**
* UI
*
* Load a user interface library
*
* @access public
* @return void
*/
function ui($src, $relative = FALSE)
{
$this->jquery_code_for_load[] = $this->external($src, $relative);
}
// --------------------------------------------------------------------
/**
* Sortable
*
* Creates a jQuery sortable
*
* @access public
* @return void
*/
function sortable($element, $options = array())
{
if (count($options) > 0)
{
$sort_options = array();
foreach ($options as $k=>$v)
{
$sort_options[] = "\n\t\t".$k.': '.$v."";
}
$sort_options = implode(",", $sort_options);
}
else
{
$sort_options = '';
}
return "$(" . $this->_prep_element($element) . ").sortable({".$sort_options."\n\t});";
}
// --------------------------------------------------------------------
/**
* Table Sorter Plugin
*
* @access public
* @param string table name
* @param string plugin location
* @return string
*/
function tablesorter($table = '', $options = '')
{
$this->jquery_code_for_compile[] = "\t$(" . $this->_prep_element($table) . ").tablesorter($options);\n";
}
// --------------------------------------------------------------------
// Class functions
// --------------------------------------------------------------------
/**
* Add Event
*
* Constructs the syntax for an event, and adds to into the array for compilation
*
* @access private
* @param string The element to attach the event to
* @param string The code to execute
* @param string The event to pass
* @return string
*/
function _add_event($element, $js, $event)
{
if (is_array($js))
{
$js = implode("\n\t\t", $js);
}
$event = "\n\t$(" . $this->_prep_element($element) . ").{$event}(function(){\n\t\t{$js}\n\t});\n";
$this->jquery_code_for_compile[] = $event;
return $event;
}
// --------------------------------------------------------------------
/**
* Compile
*
* As events are specified, they are stored in an array
* This funciton compiles them all for output on a page
*
* @access private
* @return string
*/
function _compile($view_var = 'script_foot', $script_tags = TRUE)
{
// External references
$external_scripts = implode('', $this->jquery_code_for_load);
$this->CI->load->vars(array('library_src' => $external_scripts));
if (count($this->jquery_code_for_compile) == 0 )
{
// no inline references, let's just return
return;
}
// Inline references
$script = '$(document).ready(function() {' . "\n";
$script .= implode('', $this->jquery_code_for_compile);
$script .= '});';
$output = ($script_tags === FALSE) ? $script : $this->inline($script);
$this->CI->load->vars(array($view_var => $output));
}
// --------------------------------------------------------------------
/**
* Clear Compile
*
* Clears the array of script events collected for output
*
* @access public
* @return void
*/
function _clear_compile()
{
$this->jquery_code_for_compile = array();
}
// --------------------------------------------------------------------
/**
* Document Ready
*
* A wrapper for writing document.ready()
*
* @access private
* @return string
*/
function _document_ready($js)
{
if ( ! is_array($js))
{
$js = array ($js);
}
foreach ($js as $script)
{
$this->jquery_code_for_compile[] = $script;
}
}
// --------------------------------------------------------------------
/**
* Script Tag
*
* Outputs the script tag that loads the jquery.js file into an HTML document
*
* @access public
* @param string
* @return string
*/
function script($library_src = '', $relative = FALSE)
{
$library_src = $this->external($library_src, $relative);
$this->jquery_code_for_load[] = $library_src;
return $library_src;
}
// --------------------------------------------------------------------
/**
* Prep Element
*
* Puts HTML element in quotes for use in jQuery code
* unless the supplied element is the Javascript 'this'
* object, in which case no quotes are added
*
* @access public
* @param string
* @return string
*/
function _prep_element($element)
{
if ($element != 'this')
{
$element = '"'.$element.'"';
}
return $element;
}
// --------------------------------------------------------------------
/**
* Validate Speed
*
* Ensures the speed parameter is valid for jQuery
*
* @access private
* @param string
* @return string
*/
function _validate_speed($speed)
{
if (in_array($speed, array('slow', 'normal', 'fast')))
{
$speed = '"'.$speed.'"';
}
elseif (preg_match("/[^0-9]/", $speed))
{
$speed = '';
}
return $speed;
}
}
/* End of file Jquery.php */
/* Location: ./system/libraries/Jquery.php */ | 069h-course-management | trunk/ci/system/libraries/javascript/Jquery.php | PHP | mit | 24,193 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* FTP Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/ftp.html
*/
class CI_FTP {
var $hostname = '';
var $username = '';
var $password = '';
var $port = 21;
var $passive = TRUE;
var $debug = FALSE;
var $conn_id = FALSE;
/**
* Constructor - Sets Preferences
*
* The constructor can be passed an array of config values
*/
public function __construct($config = array())
{
if (count($config) > 0)
{
$this->initialize($config);
}
log_message('debug', "FTP Class Initialized");
}
// --------------------------------------------------------------------
/**
* Initialize preferences
*
* @access public
* @param array
* @return void
*/
function initialize($config = array())
{
foreach ($config as $key => $val)
{
if (isset($this->$key))
{
$this->$key = $val;
}
}
// Prep the hostname
$this->hostname = preg_replace('|.+?://|', '', $this->hostname);
}
// --------------------------------------------------------------------
/**
* FTP Connect
*
* @access public
* @param array the connection values
* @return bool
*/
function connect($config = array())
{
if (count($config) > 0)
{
$this->initialize($config);
}
if (FALSE === ($this->conn_id = @ftp_connect($this->hostname, $this->port)))
{
if ($this->debug == TRUE)
{
$this->_error('ftp_unable_to_connect');
}
return FALSE;
}
if ( ! $this->_login())
{
if ($this->debug == TRUE)
{
$this->_error('ftp_unable_to_login');
}
return FALSE;
}
// Set passive mode if needed
if ($this->passive == TRUE)
{
ftp_pasv($this->conn_id, TRUE);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* FTP Login
*
* @access private
* @return bool
*/
function _login()
{
return @ftp_login($this->conn_id, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
* Validates the connection ID
*
* @access private
* @return bool
*/
function _is_conn()
{
if ( ! is_resource($this->conn_id))
{
if ($this->debug == TRUE)
{
$this->_error('ftp_no_connection');
}
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Change directory
*
* The second parameter lets us momentarily turn off debugging so that
* this function can be used to test for the existence of a folder
* without throwing an error. There's no FTP equivalent to is_dir()
* so we do it by trying to change to a particular directory.
* Internally, this parameter is only used by the "mirror" function below.
*
* @access public
* @param string
* @param bool
* @return bool
*/
function changedir($path = '', $supress_debug = FALSE)
{
if ($path == '' OR ! $this->_is_conn())
{
return FALSE;
}
$result = @ftp_chdir($this->conn_id, $path);
if ($result === FALSE)
{
if ($this->debug == TRUE AND $supress_debug == FALSE)
{
$this->_error('ftp_unable_to_changedir');
}
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Create a directory
*
* @access public
* @param string
* @return bool
*/
function mkdir($path = '', $permissions = NULL)
{
if ($path == '' OR ! $this->_is_conn())
{
return FALSE;
}
$result = @ftp_mkdir($this->conn_id, $path);
if ($result === FALSE)
{
if ($this->debug == TRUE)
{
$this->_error('ftp_unable_to_makdir');
}
return FALSE;
}
// Set file permissions if needed
if ( ! is_null($permissions))
{
$this->chmod($path, (int)$permissions);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Upload a file to the server
*
* @access public
* @param string
* @param string
* @param string
* @return bool
*/
function upload($locpath, $rempath, $mode = 'auto', $permissions = NULL)
{
if ( ! $this->_is_conn())
{
return FALSE;
}
if ( ! file_exists($locpath))
{
$this->_error('ftp_no_source_file');
return FALSE;
}
// Set the mode if not specified
if ($mode == 'auto')
{
// Get the file extension so we can set the upload type
$ext = $this->_getext($locpath);
$mode = $this->_settype($ext);
}
$mode = ($mode == 'ascii') ? FTP_ASCII : FTP_BINARY;
$result = @ftp_put($this->conn_id, $rempath, $locpath, $mode);
if ($result === FALSE)
{
if ($this->debug == TRUE)
{
$this->_error('ftp_unable_to_upload');
}
return FALSE;
}
// Set file permissions if needed
if ( ! is_null($permissions))
{
$this->chmod($rempath, (int)$permissions);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Download a file from a remote server to the local server
*
* @access public
* @param string
* @param string
* @param string
* @return bool
*/
function download($rempath, $locpath, $mode = 'auto')
{
if ( ! $this->_is_conn())
{
return FALSE;
}
// Set the mode if not specified
if ($mode == 'auto')
{
// Get the file extension so we can set the upload type
$ext = $this->_getext($rempath);
$mode = $this->_settype($ext);
}
$mode = ($mode == 'ascii') ? FTP_ASCII : FTP_BINARY;
$result = @ftp_get($this->conn_id, $locpath, $rempath, $mode);
if ($result === FALSE)
{
if ($this->debug == TRUE)
{
$this->_error('ftp_unable_to_download');
}
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Rename (or move) a file
*
* @access public
* @param string
* @param string
* @param bool
* @return bool
*/
function rename($old_file, $new_file, $move = FALSE)
{
if ( ! $this->_is_conn())
{
return FALSE;
}
$result = @ftp_rename($this->conn_id, $old_file, $new_file);
if ($result === FALSE)
{
if ($this->debug == TRUE)
{
$msg = ($move == FALSE) ? 'ftp_unable_to_rename' : 'ftp_unable_to_move';
$this->_error($msg);
}
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Move a file
*
* @access public
* @param string
* @param string
* @return bool
*/
function move($old_file, $new_file)
{
return $this->rename($old_file, $new_file, TRUE);
}
// --------------------------------------------------------------------
/**
* Rename (or move) a file
*
* @access public
* @param string
* @return bool
*/
function delete_file($filepath)
{
if ( ! $this->_is_conn())
{
return FALSE;
}
$result = @ftp_delete($this->conn_id, $filepath);
if ($result === FALSE)
{
if ($this->debug == TRUE)
{
$this->_error('ftp_unable_to_delete');
}
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Delete a folder and recursively delete everything (including sub-folders)
* containted within it.
*
* @access public
* @param string
* @return bool
*/
function delete_dir($filepath)
{
if ( ! $this->_is_conn())
{
return FALSE;
}
// Add a trailing slash to the file path if needed
$filepath = preg_replace("/(.+?)\/*$/", "\\1/", $filepath);
$list = $this->list_files($filepath);
if ($list !== FALSE AND count($list) > 0)
{
foreach ($list as $item)
{
// If we can't delete the item it's probaly a folder so
// we'll recursively call delete_dir()
if ( ! @ftp_delete($this->conn_id, $item))
{
$this->delete_dir($item);
}
}
}
$result = @ftp_rmdir($this->conn_id, $filepath);
if ($result === FALSE)
{
if ($this->debug == TRUE)
{
$this->_error('ftp_unable_to_delete');
}
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Set file permissions
*
* @access public
* @param string the file path
* @param string the permissions
* @return bool
*/
function chmod($path, $perm)
{
if ( ! $this->_is_conn())
{
return FALSE;
}
// Permissions can only be set when running PHP 5
if ( ! function_exists('ftp_chmod'))
{
if ($this->debug == TRUE)
{
$this->_error('ftp_unable_to_chmod');
}
return FALSE;
}
$result = @ftp_chmod($this->conn_id, $perm, $path);
if ($result === FALSE)
{
if ($this->debug == TRUE)
{
$this->_error('ftp_unable_to_chmod');
}
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* FTP List files in the specified directory
*
* @access public
* @return array
*/
function list_files($path = '.')
{
if ( ! $this->_is_conn())
{
return FALSE;
}
return ftp_nlist($this->conn_id, $path);
}
// ------------------------------------------------------------------------
/**
* Read a directory and recreate it remotely
*
* This function recursively reads a folder and everything it contains (including
* sub-folders) and creates a mirror via FTP based on it. Whatever the directory structure
* of the original file path will be recreated on the server.
*
* @access public
* @param string path to source with trailing slash
* @param string path to destination - include the base folder with trailing slash
* @return bool
*/
function mirror($locpath, $rempath)
{
if ( ! $this->_is_conn())
{
return FALSE;
}
// Open the local file path
if ($fp = @opendir($locpath))
{
// Attempt to open the remote file path.
if ( ! $this->changedir($rempath, TRUE))
{
// If it doesn't exist we'll attempt to create the direcotory
if ( ! $this->mkdir($rempath) OR ! $this->changedir($rempath))
{
return FALSE;
}
}
// Recursively read the local directory
while (FALSE !== ($file = readdir($fp)))
{
if (@is_dir($locpath.$file) && substr($file, 0, 1) != '.')
{
$this->mirror($locpath.$file."/", $rempath.$file."/");
}
elseif (substr($file, 0, 1) != ".")
{
// Get the file extension so we can se the upload type
$ext = $this->_getext($file);
$mode = $this->_settype($ext);
$this->upload($locpath.$file, $rempath.$file, $mode);
}
}
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Extract the file extension
*
* @access private
* @param string
* @return string
*/
function _getext($filename)
{
if (FALSE === strpos($filename, '.'))
{
return 'txt';
}
$x = explode('.', $filename);
return end($x);
}
// --------------------------------------------------------------------
/**
* Set the upload type
*
* @access private
* @param string
* @return string
*/
function _settype($ext)
{
$text_types = array(
'txt',
'text',
'php',
'phps',
'php4',
'js',
'css',
'htm',
'html',
'phtml',
'shtml',
'log',
'xml'
);
return (in_array($ext, $text_types)) ? 'ascii' : 'binary';
}
// ------------------------------------------------------------------------
/**
* Close the connection
*
* @access public
* @param string path to source
* @param string path to destination
* @return bool
*/
function close()
{
if ( ! $this->_is_conn())
{
return FALSE;
}
@ftp_close($this->conn_id);
}
// ------------------------------------------------------------------------
/**
* Display error message
*
* @access private
* @param string
* @return bool
*/
function _error($line)
{
$CI =& get_instance();
$CI->lang->load('ftp');
show_error($CI->lang->line($line));
}
}
// END FTP Class
/* End of file Ftp.php */
/* Location: ./system/libraries/Ftp.php */ | 069h-course-management | trunk/ci/system/libraries/Ftp.php | PHP | mit | 12,570 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Profiler Class
*
* This class enables you to display benchmark, query, and other data
* in order to help with debugging and optimization.
*
* Note: At some point it would be good to move all the HTML in this class
* into a set of template files in order to allow customization.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/general/profiling.html
*/
class CI_Profiler {
protected $_available_sections = array(
'benchmarks',
'get',
'memory_usage',
'post',
'uri_string',
'controller_info',
'queries',
'http_headers',
'session_data',
'config'
);
protected $_query_toggle_count = 25;
protected $CI;
// --------------------------------------------------------------------
public function __construct($config = array())
{
$this->CI =& get_instance();
$this->CI->load->language('profiler');
if (isset($config['query_toggle_count']))
{
$this->_query_toggle_count = (int) $config['query_toggle_count'];
unset($config['query_toggle_count']);
}
// default all sections to display
foreach ($this->_available_sections as $section)
{
if ( ! isset($config[$section]))
{
$this->_compile_{$section} = TRUE;
}
}
$this->set_sections($config);
}
// --------------------------------------------------------------------
/**
* Set Sections
*
* Sets the private _compile_* properties to enable/disable Profiler sections
*
* @param mixed
* @return void
*/
public function set_sections($config)
{
foreach ($config as $method => $enable)
{
if (in_array($method, $this->_available_sections))
{
$this->_compile_{$method} = ($enable !== FALSE) ? TRUE : FALSE;
}
}
}
// --------------------------------------------------------------------
/**
* Auto Profiler
*
* This function cycles through the entire array of mark points and
* matches any two points that are named identically (ending in "_start"
* and "_end" respectively). It then compiles the execution times for
* all points and returns it as an array
*
* @return array
*/
protected function _compile_benchmarks()
{
$profile = array();
foreach ($this->CI->benchmark->marker as $key => $val)
{
// We match the "end" marker so that the list ends
// up in the order that it was defined
if (preg_match("/(.+?)_end/i", $key, $match))
{
if (isset($this->CI->benchmark->marker[$match[1].'_end']) AND isset($this->CI->benchmark->marker[$match[1].'_start']))
{
$profile[$match[1]] = $this->CI->benchmark->elapsed_time($match[1].'_start', $key);
}
}
}
// Build a table containing the profile data.
// Note: At some point we should turn this into a template that can
// be modified. We also might want to make this data available to be logged
$output = "\n\n";
$output .= '<fieldset id="ci_profiler_benchmarks" style="border:1px solid #900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= "\n";
$output .= '<legend style="color:#900;"> '.$this->CI->lang->line('profiler_benchmarks').' </legend>';
$output .= "\n";
$output .= "\n\n<table style='width:100%'>\n";
foreach ($profile as $key => $val)
{
$key = ucwords(str_replace(array('_', '-'), ' ', $key));
$output .= "<tr><td style='padding:5px;width:50%;color:#000;font-weight:bold;background-color:#ddd;'>".$key." </td><td style='padding:5px;width:50%;color:#900;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";
}
$output .= "</table>\n";
$output .= "</fieldset>";
return $output;
}
// --------------------------------------------------------------------
/**
* Compile Queries
*
* @return string
*/
protected function _compile_queries()
{
$dbs = array();
// Let's determine which databases are currently connected to
foreach (get_object_vars($this->CI) as $CI_object)
{
if (is_object($CI_object) && is_subclass_of(get_class($CI_object), 'CI_DB') )
{
$dbs[] = $CI_object;
}
}
if (count($dbs) == 0)
{
$output = "\n\n";
$output .= '<fieldset id="ci_profiler_queries" style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= "\n";
$output .= '<legend style="color:#0000FF;"> '.$this->CI->lang->line('profiler_queries').' </legend>';
$output .= "\n";
$output .= "\n\n<table style='border:none; width:100%;'>\n";
$output .="<tr><td style='width:100%;color:#0000FF;font-weight:normal;background-color:#eee;padding:5px'>".$this->CI->lang->line('profiler_no_db')."</td></tr>\n";
$output .= "</table>\n";
$output .= "</fieldset>";
return $output;
}
// Load the text helper so we can highlight the SQL
$this->CI->load->helper('text');
// Key words we want bolded
$highlight = array('SELECT', 'DISTINCT', 'FROM', 'WHERE', 'AND', 'LEFT JOIN', 'ORDER BY', 'GROUP BY', 'LIMIT', 'INSERT', 'INTO', 'VALUES', 'UPDATE', 'OR ', 'HAVING', 'OFFSET', 'NOT IN', 'IN', 'LIKE', 'NOT LIKE', 'COUNT', 'MAX', 'MIN', 'ON', 'AS', 'AVG', 'SUM', '(', ')');
$output = "\n\n";
$count = 0;
foreach ($dbs as $db)
{
$count++;
$hide_queries = (count($db->queries) > $this->_query_toggle_count) ? ' display:none' : '';
$show_hide_js = '(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_queries_db_'.$count.'\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_hide').'\'?\''.$this->CI->lang->line('profiler_section_show').'\':\''.$this->CI->lang->line('profiler_section_hide').'\';">'.$this->CI->lang->line('profiler_section_hide').'</span>)';
if ($hide_queries != '')
{
$show_hide_js = '(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_queries_db_'.$count.'\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)';
}
$output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= "\n";
$output .= '<legend style="color:#0000FF;"> '.$this->CI->lang->line('profiler_database').': '.$db->database.' '.$this->CI->lang->line('profiler_queries').': '.count($db->queries).' '.$show_hide_js.'</legend>';
$output .= "\n";
$output .= "\n\n<table style='width:100%;{$hide_queries}' id='ci_profiler_queries_db_{$count}'>\n";
if (count($db->queries) == 0)
{
$output .= "<tr><td style='width:100%;color:#0000FF;font-weight:normal;background-color:#eee;padding:5px;'>".$this->CI->lang->line('profiler_no_queries')."</td></tr>\n";
}
else
{
foreach ($db->queries as $key => $val)
{
$time = number_format($db->query_times[$key], 4);
$val = highlight_code($val, ENT_QUOTES);
foreach ($highlight as $bold)
{
$val = str_replace($bold, '<strong>'.$bold.'</strong>', $val);
}
$output .= "<tr><td style='padding:5px; vertical-align: top;width:1%;color:#900;font-weight:normal;background-color:#ddd;'>".$time." </td><td style='padding:5px; color:#000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";
}
}
$output .= "</table>\n";
$output .= "</fieldset>";
}
return $output;
}
// --------------------------------------------------------------------
/**
* Compile $_GET Data
*
* @return string
*/
protected function _compile_get()
{
$output = "\n\n";
$output .= '<fieldset id="ci_profiler_get" style="border:1px solid #cd6e00;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= "\n";
$output .= '<legend style="color:#cd6e00;"> '.$this->CI->lang->line('profiler_get_data').' </legend>';
$output .= "\n";
if (count($_GET) == 0)
{
$output .= "<div style='color:#cd6e00;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_get')."</div>";
}
else
{
$output .= "\n\n<table style='width:100%; border:none'>\n";
foreach ($_GET as $key => $val)
{
if ( ! is_numeric($key))
{
$key = "'".$key."'";
}
$output .= "<tr><td style='width:50%;color:#000;background-color:#ddd;padding:5px'>$_GET[".$key."] </td><td style='width:50%;padding:5px;color:#cd6e00;font-weight:normal;background-color:#ddd;'>";
if (is_array($val))
{
$output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";
}
else
{
$output .= htmlspecialchars(stripslashes($val));
}
$output .= "</td></tr>\n";
}
$output .= "</table>\n";
}
$output .= "</fieldset>";
return $output;
}
// --------------------------------------------------------------------
/**
* Compile $_POST Data
*
* @return string
*/
protected function _compile_post()
{
$output = "\n\n";
$output .= '<fieldset id="ci_profiler_post" style="border:1px solid #009900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= "\n";
$output .= '<legend style="color:#009900;"> '.$this->CI->lang->line('profiler_post_data').' </legend>';
$output .= "\n";
if (count($_POST) == 0)
{
$output .= "<div style='color:#009900;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_post')."</div>";
}
else
{
$output .= "\n\n<table style='width:100%'>\n";
foreach ($_POST as $key => $val)
{
if ( ! is_numeric($key))
{
$key = "'".$key."'";
}
$output .= "<tr><td style='width:50%;padding:5px;color:#000;background-color:#ddd;'>$_POST[".$key."] </td><td style='width:50%;padding:5px;color:#009900;font-weight:normal;background-color:#ddd;'>";
if (is_array($val))
{
$output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, TRUE))) . "</pre>";
}
else
{
$output .= htmlspecialchars(stripslashes($val));
}
$output .= "</td></tr>\n";
}
$output .= "</table>\n";
}
$output .= "</fieldset>";
return $output;
}
// --------------------------------------------------------------------
/**
* Show query string
*
* @return string
*/
protected function _compile_uri_string()
{
$output = "\n\n";
$output .= '<fieldset id="ci_profiler_uri_string" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= "\n";
$output .= '<legend style="color:#000;"> '.$this->CI->lang->line('profiler_uri_string').' </legend>';
$output .= "\n";
if ($this->CI->uri->uri_string == '')
{
$output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_uri')."</div>";
}
else
{
$output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->uri->uri_string."</div>";
}
$output .= "</fieldset>";
return $output;
}
// --------------------------------------------------------------------
/**
* Show the controller and function that were called
*
* @return string
*/
protected function _compile_controller_info()
{
$output = "\n\n";
$output .= '<fieldset id="ci_profiler_controller_info" style="border:1px solid #995300;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= "\n";
$output .= '<legend style="color:#995300;"> '.$this->CI->lang->line('profiler_controller_info').' </legend>';
$output .= "\n";
$output .= "<div style='color:#995300;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->router->fetch_class()."/".$this->CI->router->fetch_method()."</div>";
$output .= "</fieldset>";
return $output;
}
// --------------------------------------------------------------------
/**
* Compile memory usage
*
* Display total used memory
*
* @return string
*/
protected function _compile_memory_usage()
{
$output = "\n\n";
$output .= '<fieldset id="ci_profiler_memory_usage" style="border:1px solid #5a0099;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= "\n";
$output .= '<legend style="color:#5a0099;"> '.$this->CI->lang->line('profiler_memory_usage').' </legend>';
$output .= "\n";
if (function_exists('memory_get_usage') && ($usage = memory_get_usage()) != '')
{
$output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".number_format($usage).' bytes</div>';
}
else
{
$output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_memory')."</div>";
}
$output .= "</fieldset>";
return $output;
}
// --------------------------------------------------------------------
/**
* Compile header information
*
* Lists HTTP headers
*
* @return string
*/
protected function _compile_http_headers()
{
$output = "\n\n";
$output .= '<fieldset id="ci_profiler_http_headers" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= "\n";
$output .= '<legend style="color:#000;"> '.$this->CI->lang->line('profiler_headers').' (<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_httpheaders_table\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)</legend>';
$output .= "\n";
$output .= "\n\n<table style='width:100%;display:none' id='ci_profiler_httpheaders_table'>\n";
foreach (array('HTTP_ACCEPT', 'HTTP_USER_AGENT', 'HTTP_CONNECTION', 'SERVER_PORT', 'SERVER_NAME', 'REMOTE_ADDR', 'SERVER_SOFTWARE', 'HTTP_ACCEPT_LANGUAGE', 'SCRIPT_NAME', 'REQUEST_METHOD',' HTTP_HOST', 'REMOTE_HOST', 'CONTENT_TYPE', 'SERVER_PROTOCOL', 'QUERY_STRING', 'HTTP_ACCEPT_ENCODING', 'HTTP_X_FORWARDED_FOR') as $header)
{
$val = (isset($_SERVER[$header])) ? $_SERVER[$header] : '';
$output .= "<tr><td style='vertical-align: top;width:50%;padding:5px;color:#900;background-color:#ddd;'>".$header." </td><td style='width:50%;padding:5px;color:#000;background-color:#ddd;'>".$val."</td></tr>\n";
}
$output .= "</table>\n";
$output .= "</fieldset>";
return $output;
}
// --------------------------------------------------------------------
/**
* Compile config information
*
* Lists developer config variables
*
* @return string
*/
protected function _compile_config()
{
$output = "\n\n";
$output .= '<fieldset id="ci_profiler_config" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= "\n";
$output .= '<legend style="color:#000;"> '.$this->CI->lang->line('profiler_config').' (<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_config_table\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)</legend>';
$output .= "\n";
$output .= "\n\n<table style='width:100%; display:none' id='ci_profiler_config_table'>\n";
foreach ($this->CI->config->config as $config=>$val)
{
if (is_array($val))
{
$val = print_r($val, TRUE);
}
$output .= "<tr><td style='padding:5px; vertical-align: top;color:#900;background-color:#ddd;'>".$config." </td><td style='padding:5px; color:#000;background-color:#ddd;'>".htmlspecialchars($val)."</td></tr>\n";
}
$output .= "</table>\n";
$output .= "</fieldset>";
return $output;
}
// --------------------------------------------------------------------
/**
* Compile session userdata
*
* @return string
*/
private function _compile_session_data()
{
if ( ! isset($this->CI->session))
{
return;
}
$output = '<fieldset id="ci_profiler_csession" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= '<legend style="color:#000;"> '.$this->CI->lang->line('profiler_session_data').' (<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_session_data\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)</legend>';
$output .= "<table style='width:100%;display:none' id='ci_profiler_session_data'>";
foreach ($this->CI->session->all_userdata() as $key => $val)
{
if (is_array($val) OR is_object($val))
{
$val = print_r($val, TRUE);
}
$output .= "<tr><td style='padding:5px; vertical-align: top;color:#900;background-color:#ddd;'>".$key." </td><td style='padding:5px; color:#000;background-color:#ddd;'>".htmlspecialchars($val)."</td></tr>\n";
}
$output .= '</table>';
$output .= "</fieldset>";
return $output;
}
// --------------------------------------------------------------------
/**
* Run the Profiler
*
* @return string
*/
public function run()
{
$output = "<div id='codeigniter_profiler' style='clear:both;background-color:#fff;padding:10px;'>";
$fields_displayed = 0;
foreach ($this->_available_sections as $section)
{
if ($this->_compile_{$section} !== FALSE)
{
$func = "_compile_{$section}";
$output .= $this->{$func}();
$fields_displayed++;
}
}
if ($fields_displayed == 0)
{
$output .= '<p style="border:1px solid #5a0099;padding:10px;margin:20px 0;background-color:#eee">'.$this->CI->lang->line('profiler_no_profiles').'</p>';
}
$output .= '</div>';
return $output;
}
}
// END CI_Profiler class
/* End of file Profiler.php */
/* Location: ./system/libraries/Profiler.php */ | 069h-course-management | trunk/ci/system/libraries/Profiler.php | PHP | mit | 19,299 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Typography Class
*
*
* @access private
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/
*/
class CI_Typography {
// Block level elements that should not be wrapped inside <p> tags
var $block_elements = 'address|blockquote|div|dl|fieldset|form|h\d|hr|noscript|object|ol|p|pre|script|table|ul';
// Elements that should not have <p> and <br /> tags within them.
var $skip_elements = 'p|pre|ol|ul|dl|object|table|h\d';
// Tags we want the parser to completely ignore when splitting the string.
var $inline_elements = 'a|abbr|acronym|b|bdo|big|br|button|cite|code|del|dfn|em|i|img|ins|input|label|map|kbd|q|samp|select|small|span|strong|sub|sup|textarea|tt|var';
// array of block level elements that require inner content to be within another block level element
var $inner_block_required = array('blockquote');
// the last block element parsed
var $last_block_element = '';
// whether or not to protect quotes within { curly braces }
var $protect_braced_quotes = FALSE;
/**
* Auto Typography
*
* This function converts text, making it typographically correct:
* - Converts double spaces into paragraphs.
* - Converts single line breaks into <br /> tags
* - Converts single and double quotes into correctly facing curly quote entities.
* - Converts three dots into ellipsis.
* - Converts double dashes into em-dashes.
* - Converts two spaces into entities
*
* @access public
* @param string
* @param bool whether to reduce more then two consecutive newlines to two
* @return string
*/
function auto_typography($str, $reduce_linebreaks = FALSE)
{
if ($str == '')
{
return '';
}
// Standardize Newlines to make matching easier
if (strpos($str, "\r") !== FALSE)
{
$str = str_replace(array("\r\n", "\r"), "\n", $str);
}
// Reduce line breaks. If there are more than two consecutive linebreaks
// we'll compress them down to a maximum of two since there's no benefit to more.
if ($reduce_linebreaks === TRUE)
{
$str = preg_replace("/\n\n+/", "\n\n", $str);
}
// HTML comment tags don't conform to patterns of normal tags, so pull them out separately, only if needed
$html_comments = array();
if (strpos($str, '<!--') !== FALSE)
{
if (preg_match_all("#(<!\-\-.*?\-\->)#s", $str, $matches))
{
for ($i = 0, $total = count($matches[0]); $i < $total; $i++)
{
$html_comments[] = $matches[0][$i];
$str = str_replace($matches[0][$i], '{@HC'.$i.'}', $str);
}
}
}
// match and yank <pre> tags if they exist. It's cheaper to do this separately since most content will
// not contain <pre> tags, and it keeps the PCRE patterns below simpler and faster
if (strpos($str, '<pre') !== FALSE)
{
$str = preg_replace_callback("#<pre.*?>.*?</pre>#si", array($this, '_protect_characters'), $str);
}
// Convert quotes within tags to temporary markers.
$str = preg_replace_callback("#<.+?>#si", array($this, '_protect_characters'), $str);
// Do the same with braces if necessary
if ($this->protect_braced_quotes === TRUE)
{
$str = preg_replace_callback("#\{.+?\}#si", array($this, '_protect_characters'), $str);
}
// Convert "ignore" tags to temporary marker. The parser splits out the string at every tag
// it encounters. Certain inline tags, like image tags, links, span tags, etc. will be
// adversely affected if they are split out so we'll convert the opening bracket < temporarily to: {@TAG}
$str = preg_replace("#<(/*)(".$this->inline_elements.")([ >])#i", "{@TAG}\\1\\2\\3", $str);
// Split the string at every tag. This expression creates an array with this prototype:
//
// [array]
// {
// [0] = <opening tag>
// [1] = Content...
// [2] = <closing tag>
// Etc...
// }
$chunks = preg_split('/(<(?:[^<>]+(?:"[^"]*"|\'[^\']*\')?)+>)/', $str, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);
// Build our finalized string. We cycle through the array, skipping tags, and processing the contained text
$str = '';
$process = TRUE;
$paragraph = FALSE;
$current_chunk = 0;
$total_chunks = count($chunks);
foreach ($chunks as $chunk)
{
$current_chunk++;
// Are we dealing with a tag? If so, we'll skip the processing for this cycle.
// Well also set the "process" flag which allows us to skip <pre> tags and a few other things.
if (preg_match("#<(/*)(".$this->block_elements.").*?>#", $chunk, $match))
{
if (preg_match("#".$this->skip_elements."#", $match[2]))
{
$process = ($match[1] == '/') ? TRUE : FALSE;
}
if ($match[1] == '')
{
$this->last_block_element = $match[2];
}
$str .= $chunk;
continue;
}
if ($process == FALSE)
{
$str .= $chunk;
continue;
}
// Force a newline to make sure end tags get processed by _format_newlines()
if ($current_chunk == $total_chunks)
{
$chunk .= "\n";
}
// Convert Newlines into <p> and <br /> tags
$str .= $this->_format_newlines($chunk);
}
// No opening block level tag? Add it if needed.
if ( ! preg_match("/^\s*<(?:".$this->block_elements.")/i", $str))
{
$str = preg_replace("/^(.*?)<(".$this->block_elements.")/i", '<p>$1</p><$2', $str);
}
// Convert quotes, elipsis, em-dashes, non-breaking spaces, and ampersands
$str = $this->format_characters($str);
// restore HTML comments
for ($i = 0, $total = count($html_comments); $i < $total; $i++)
{
// remove surrounding paragraph tags, but only if there's an opening paragraph tag
// otherwise HTML comments at the ends of paragraphs will have the closing tag removed
// if '<p>{@HC1}' then replace <p>{@HC1}</p> with the comment, else replace only {@HC1} with the comment
$str = preg_replace('#(?(?=<p>\{@HC'.$i.'\})<p>\{@HC'.$i.'\}(\s*</p>)|\{@HC'.$i.'\})#s', $html_comments[$i], $str);
}
// Final clean up
$table = array(
// If the user submitted their own paragraph tags within the text
// we will retain them instead of using our tags.
'/(<p[^>*?]>)<p>/' => '$1', // <?php BBEdit syntax coloring bug fix
// Reduce multiple instances of opening/closing paragraph tags to a single one
'#(</p>)+#' => '</p>',
'/(<p>\W*<p>)+/' => '<p>',
// Clean up stray paragraph tags that appear before block level elements
'#<p></p><('.$this->block_elements.')#' => '<$1',
// Clean up stray non-breaking spaces preceeding block elements
'#( \s*)+<('.$this->block_elements.')#' => ' <$2',
// Replace the temporary markers we added earlier
'/\{@TAG\}/' => '<',
'/\{@DQ\}/' => '"',
'/\{@SQ\}/' => "'",
'/\{@DD\}/' => '--',
'/\{@NBS\}/' => ' ',
// An unintended consequence of the _format_newlines function is that
// some of the newlines get truncated, resulting in <p> tags
// starting immediately after <block> tags on the same line.
// This forces a newline after such occurrences, which looks much nicer.
"/><p>\n/" => ">\n<p>",
// Similarly, there might be cases where a closing </block> will follow
// a closing </p> tag, so we'll correct it by adding a newline in between
"#</p></#" => "</p>\n</"
);
// Do we need to reduce empty lines?
if ($reduce_linebreaks === TRUE)
{
$table['#<p>\n*</p>#'] = '';
}
else
{
// If we have empty paragraph tags we add a non-breaking space
// otherwise most browsers won't treat them as true paragraphs
$table['#<p></p>#'] = '<p> </p>';
}
return preg_replace(array_keys($table), $table, $str);
}
// --------------------------------------------------------------------
/**
* Format Characters
*
* This function mainly converts double and single quotes
* to curly entities, but it also converts em-dashes,
* double spaces, and ampersands
*
* @access public
* @param string
* @return string
*/
function format_characters($str)
{
static $table;
if ( ! isset($table))
{
$table = array(
// nested smart quotes, opening and closing
// note that rules for grammar (English) allow only for two levels deep
// and that single quotes are _supposed_ to always be on the outside
// but we'll accommodate both
// Note that in all cases, whitespace is the primary determining factor
// on which direction to curl, with non-word characters like punctuation
// being a secondary factor only after whitespace is addressed.
'/\'"(\s|$)/' => '’”$1',
'/(^|\s|<p>)\'"/' => '$1‘“',
'/\'"(\W)/' => '’”$1',
'/(\W)\'"/' => '$1‘“',
'/"\'(\s|$)/' => '”’$1',
'/(^|\s|<p>)"\'/' => '$1“‘',
'/"\'(\W)/' => '”’$1',
'/(\W)"\'/' => '$1“‘',
// single quote smart quotes
'/\'(\s|$)/' => '’$1',
'/(^|\s|<p>)\'/' => '$1‘',
'/\'(\W)/' => '’$1',
'/(\W)\'/' => '$1‘',
// double quote smart quotes
'/"(\s|$)/' => '”$1',
'/(^|\s|<p>)"/' => '$1“',
'/"(\W)/' => '”$1',
'/(\W)"/' => '$1“',
// apostrophes
"/(\w)'(\w)/" => '$1’$2',
// Em dash and ellipses dots
'/\s?\-\-\s?/' => '—',
'/(\w)\.{3}/' => '$1…',
// double space after sentences
'/(\W) /' => '$1 ',
// ampersands, if not a character entity
'/&(?!#?[a-zA-Z0-9]{2,};)/' => '&'
);
}
return preg_replace(array_keys($table), $table, $str);
}
// --------------------------------------------------------------------
/**
* Format Newlines
*
* Converts newline characters into either <p> tags or <br />
*
* @access public
* @param string
* @return string
*/
function _format_newlines($str)
{
if ($str == '')
{
return $str;
}
if (strpos($str, "\n") === FALSE && ! in_array($this->last_block_element, $this->inner_block_required))
{
return $str;
}
// Convert two consecutive newlines to paragraphs
$str = str_replace("\n\n", "</p>\n\n<p>", $str);
// Convert single spaces to <br /> tags
$str = preg_replace("/([^\n])(\n)([^\n])/", "\\1<br />\\2\\3", $str);
// Wrap the whole enchilada in enclosing paragraphs
if ($str != "\n")
{
// We trim off the right-side new line so that the closing </p> tag
// will be positioned immediately following the string, matching
// the behavior of the opening <p> tag
$str = '<p>'.rtrim($str).'</p>';
}
// Remove empty paragraphs if they are on the first line, as this
// is a potential unintended consequence of the previous code
$str = preg_replace("/<p><\/p>(.*)/", "\\1", $str, 1);
return $str;
}
// ------------------------------------------------------------------------
/**
* Protect Characters
*
* Protects special characters from being formatted later
* We don't want quotes converted within tags so we'll temporarily convert them to {@DQ} and {@SQ}
* and we don't want double dashes converted to emdash entities, so they are marked with {@DD}
* likewise double spaces are converted to {@NBS} to prevent entity conversion
*
* @access public
* @param array
* @return string
*/
function _protect_characters($match)
{
return str_replace(array("'",'"','--',' '), array('{@SQ}', '{@DQ}', '{@DD}', '{@NBS}'), $match[0]);
}
// --------------------------------------------------------------------
/**
* Convert newlines to HTML line breaks except within PRE tags
*
* @access public
* @param string
* @return string
*/
function nl2br_except_pre($str)
{
$ex = explode("pre>",$str);
$ct = count($ex);
$newstr = "";
for ($i = 0; $i < $ct; $i++)
{
if (($i % 2) == 0)
{
$newstr .= nl2br($ex[$i]);
}
else
{
$newstr .= $ex[$i];
}
if ($ct - 1 != $i)
$newstr .= "pre>";
}
return $newstr;
}
}
// END Typography Class
/* End of file Typography.php */
/* Location: ./system/libraries/Typography.php */ | 069h-course-management | trunk/ci/system/libraries/Typography.php | PHP | mit | 12,720 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Session Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Sessions
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/sessions.html
*/
class CI_Session {
var $sess_encrypt_cookie = FALSE;
var $sess_use_database = FALSE;
var $sess_table_name = '';
var $sess_expiration = 7200;
var $sess_expire_on_close = FALSE;
var $sess_match_ip = FALSE;
var $sess_match_useragent = TRUE;
var $sess_cookie_name = 'ci_session';
var $cookie_prefix = '';
var $cookie_path = '';
var $cookie_domain = '';
var $cookie_secure = FALSE;
var $sess_time_to_update = 300;
var $encryption_key = '';
var $flashdata_key = 'flash';
var $time_reference = 'time';
var $gc_probability = 5;
var $userdata = array();
var $CI;
var $now;
/**
* Session Constructor
*
* The constructor runs the session routines automatically
* whenever the class is instantiated.
*/
public function __construct($params = array())
{
log_message('debug', "Session Class Initialized");
// Set the super object to a local variable for use throughout the class
$this->CI =& get_instance();
// Set all the session preferences, which can either be set
// manually via the $params array above or via the config file
foreach (array('sess_encrypt_cookie', 'sess_use_database', 'sess_table_name', 'sess_expiration', 'sess_expire_on_close', 'sess_match_ip', 'sess_match_useragent', 'sess_cookie_name', 'cookie_path', 'cookie_domain', 'cookie_secure', 'sess_time_to_update', 'time_reference', 'cookie_prefix', 'encryption_key') as $key)
{
$this->$key = (isset($params[$key])) ? $params[$key] : $this->CI->config->item($key);
}
if ($this->encryption_key == '')
{
show_error('In order to use the Session class you are required to set an encryption key in your config file.');
}
// Load the string helper so we can use the strip_slashes() function
$this->CI->load->helper('string');
// Do we need encryption? If so, load the encryption class
if ($this->sess_encrypt_cookie == TRUE)
{
$this->CI->load->library('encrypt');
}
// Are we using a database? If so, load it
if ($this->sess_use_database === TRUE AND $this->sess_table_name != '')
{
$this->CI->load->database();
}
// Set the "now" time. Can either be GMT or server time, based on the
// config prefs. We use this to set the "last activity" time
$this->now = $this->_get_time();
// Set the session length. If the session expiration is
// set to zero we'll set the expiration two years from now.
if ($this->sess_expiration == 0)
{
$this->sess_expiration = (60*60*24*365*2);
}
// Set the cookie name
$this->sess_cookie_name = $this->cookie_prefix.$this->sess_cookie_name;
// Run the Session routine. If a session doesn't exist we'll
// create a new one. If it does, we'll update it.
if ( ! $this->sess_read())
{
$this->sess_create();
}
else
{
$this->sess_update();
}
// Delete 'old' flashdata (from last request)
$this->_flashdata_sweep();
// Mark all new flashdata as old (data will be deleted before next request)
$this->_flashdata_mark();
// Delete expired sessions if necessary
$this->_sess_gc();
log_message('debug', "Session routines successfully run");
}
// --------------------------------------------------------------------
/**
* Fetch the current session data if it exists
*
* @access public
* @return bool
*/
function sess_read()
{
// Fetch the cookie
$session = $this->CI->input->cookie($this->sess_cookie_name);
// No cookie? Goodbye cruel world!...
if ($session === FALSE)
{
log_message('debug', 'A session cookie was not found.');
return FALSE;
}
// Decrypt the cookie data
if ($this->sess_encrypt_cookie == TRUE)
{
$session = $this->CI->encrypt->decode($session);
}
else
{
// encryption was not used, so we need to check the md5 hash
$hash = substr($session, strlen($session)-32); // get last 32 chars
$session = substr($session, 0, strlen($session)-32);
// Does the md5 hash match? This is to prevent manipulation of session data in userspace
if ($hash !== md5($session.$this->encryption_key))
{
log_message('error', 'The session cookie data did not match what was expected. This could be a possible hacking attempt.');
$this->sess_destroy();
return FALSE;
}
}
// Unserialize the session array
$session = $this->_unserialize($session);
// Is the session data we unserialized an array with the correct format?
if ( ! is_array($session) OR ! isset($session['session_id']) OR ! isset($session['ip_address']) OR ! isset($session['user_agent']) OR ! isset($session['last_activity']))
{
$this->sess_destroy();
return FALSE;
}
// Is the session current?
if (($session['last_activity'] + $this->sess_expiration) < $this->now)
{
$this->sess_destroy();
return FALSE;
}
// Does the IP Match?
if ($this->sess_match_ip == TRUE AND $session['ip_address'] != $this->CI->input->ip_address())
{
$this->sess_destroy();
return FALSE;
}
// Does the User Agent Match?
if ($this->sess_match_useragent == TRUE AND trim($session['user_agent']) != trim(substr($this->CI->input->user_agent(), 0, 120)))
{
$this->sess_destroy();
return FALSE;
}
// Is there a corresponding session in the DB?
if ($this->sess_use_database === TRUE)
{
$this->CI->db->where('session_id', $session['session_id']);
if ($this->sess_match_ip == TRUE)
{
$this->CI->db->where('ip_address', $session['ip_address']);
}
if ($this->sess_match_useragent == TRUE)
{
$this->CI->db->where('user_agent', $session['user_agent']);
}
$query = $this->CI->db->get($this->sess_table_name);
// No result? Kill it!
if ($query->num_rows() == 0)
{
$this->sess_destroy();
return FALSE;
}
// Is there custom data? If so, add it to the main session array
$row = $query->row();
if (isset($row->user_data) AND $row->user_data != '')
{
$custom_data = $this->_unserialize($row->user_data);
if (is_array($custom_data))
{
foreach ($custom_data as $key => $val)
{
$session[$key] = $val;
}
}
}
}
// Session is valid!
$this->userdata = $session;
unset($session);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Write the session data
*
* @access public
* @return void
*/
function sess_write()
{
// Are we saving custom data to the DB? If not, all we do is update the cookie
if ($this->sess_use_database === FALSE)
{
$this->_set_cookie();
return;
}
// set the custom userdata, the session data we will set in a second
$custom_userdata = $this->userdata;
$cookie_userdata = array();
// Before continuing, we need to determine if there is any custom data to deal with.
// Let's determine this by removing the default indexes to see if there's anything left in the array
// and set the session data while we're at it
foreach (array('session_id','ip_address','user_agent','last_activity') as $val)
{
unset($custom_userdata[$val]);
$cookie_userdata[$val] = $this->userdata[$val];
}
// Did we find any custom data? If not, we turn the empty array into a string
// since there's no reason to serialize and store an empty array in the DB
if (count($custom_userdata) === 0)
{
$custom_userdata = '';
}
else
{
// Serialize the custom data array so we can store it
$custom_userdata = $this->_serialize($custom_userdata);
}
// Run the update query
$this->CI->db->where('session_id', $this->userdata['session_id']);
$this->CI->db->update($this->sess_table_name, array('last_activity' => $this->userdata['last_activity'], 'user_data' => $custom_userdata));
// Write the cookie. Notice that we manually pass the cookie data array to the
// _set_cookie() function. Normally that function will store $this->userdata, but
// in this case that array contains custom data, which we do not want in the cookie.
$this->_set_cookie($cookie_userdata);
}
// --------------------------------------------------------------------
/**
* Create a new session
*
* @access public
* @return void
*/
function sess_create()
{
$sessid = '';
while (strlen($sessid) < 32)
{
$sessid .= mt_rand(0, mt_getrandmax());
}
// To make the session ID even more secure we'll combine it with the user's IP
$sessid .= $this->CI->input->ip_address();
$this->userdata = array(
'session_id' => md5(uniqid($sessid, TRUE)),
'ip_address' => $this->CI->input->ip_address(),
'user_agent' => substr($this->CI->input->user_agent(), 0, 120),
'last_activity' => $this->now,
'user_data' => ''
);
// Save the data to the DB if needed
if ($this->sess_use_database === TRUE)
{
$this->CI->db->query($this->CI->db->insert_string($this->sess_table_name, $this->userdata));
}
// Write the cookie
$this->_set_cookie();
}
// --------------------------------------------------------------------
/**
* Update an existing session
*
* @access public
* @return void
*/
function sess_update()
{
// We only update the session every five minutes by default
if (($this->userdata['last_activity'] + $this->sess_time_to_update) >= $this->now)
{
return;
}
// Save the old session id so we know which record to
// update in the database if we need it
$old_sessid = $this->userdata['session_id'];
$new_sessid = '';
while (strlen($new_sessid) < 32)
{
$new_sessid .= mt_rand(0, mt_getrandmax());
}
// To make the session ID even more secure we'll combine it with the user's IP
$new_sessid .= $this->CI->input->ip_address();
// Turn it into a hash
$new_sessid = md5(uniqid($new_sessid, TRUE));
// Update the session data in the session data array
$this->userdata['session_id'] = $new_sessid;
$this->userdata['last_activity'] = $this->now;
// _set_cookie() will handle this for us if we aren't using database sessions
// by pushing all userdata to the cookie.
$cookie_data = NULL;
// Update the session ID and last_activity field in the DB if needed
if ($this->sess_use_database === TRUE)
{
// set cookie explicitly to only have our session data
$cookie_data = array();
foreach (array('session_id','ip_address','user_agent','last_activity') as $val)
{
$cookie_data[$val] = $this->userdata[$val];
}
$this->CI->db->query($this->CI->db->update_string($this->sess_table_name, array('last_activity' => $this->now, 'session_id' => $new_sessid), array('session_id' => $old_sessid)));
}
// Write the cookie
$this->_set_cookie($cookie_data);
}
// --------------------------------------------------------------------
/**
* Destroy the current session
*
* @access public
* @return void
*/
function sess_destroy()
{
// Kill the session DB row
if ($this->sess_use_database === TRUE && isset($this->userdata['session_id']))
{
$this->CI->db->where('session_id', $this->userdata['session_id']);
$this->CI->db->delete($this->sess_table_name);
}
// Kill the cookie
setcookie(
$this->sess_cookie_name,
addslashes(serialize(array())),
($this->now - 31500000),
$this->cookie_path,
$this->cookie_domain,
0
);
// Kill session data
$this->userdata = array();
}
// --------------------------------------------------------------------
/**
* Fetch a specific item from the session array
*
* @access public
* @param string
* @return string
*/
function userdata($item)
{
return ( ! isset($this->userdata[$item])) ? FALSE : $this->userdata[$item];
}
// --------------------------------------------------------------------
/**
* Fetch all session data
*
* @access public
* @return array
*/
function all_userdata()
{
return $this->userdata;
}
// --------------------------------------------------------------------
/**
* Add or change data in the "userdata" array
*
* @access public
* @param mixed
* @param string
* @return void
*/
function set_userdata($newdata = array(), $newval = '')
{
if (is_string($newdata))
{
$newdata = array($newdata => $newval);
}
if (count($newdata) > 0)
{
foreach ($newdata as $key => $val)
{
$this->userdata[$key] = $val;
}
}
$this->sess_write();
}
// --------------------------------------------------------------------
/**
* Delete a session variable from the "userdata" array
*
* @access array
* @return void
*/
function unset_userdata($newdata = array())
{
if (is_string($newdata))
{
$newdata = array($newdata => '');
}
if (count($newdata) > 0)
{
foreach ($newdata as $key => $val)
{
unset($this->userdata[$key]);
}
}
$this->sess_write();
}
// ------------------------------------------------------------------------
/**
* Add or change flashdata, only available
* until the next request
*
* @access public
* @param mixed
* @param string
* @return void
*/
function set_flashdata($newdata = array(), $newval = '')
{
if (is_string($newdata))
{
$newdata = array($newdata => $newval);
}
if (count($newdata) > 0)
{
foreach ($newdata as $key => $val)
{
$flashdata_key = $this->flashdata_key.':new:'.$key;
$this->set_userdata($flashdata_key, $val);
}
}
}
// ------------------------------------------------------------------------
/**
* Keeps existing flashdata available to next request.
*
* @access public
* @param string
* @return void
*/
function keep_flashdata($key)
{
// 'old' flashdata gets removed. Here we mark all
// flashdata as 'new' to preserve it from _flashdata_sweep()
// Note the function will return FALSE if the $key
// provided cannot be found
$old_flashdata_key = $this->flashdata_key.':old:'.$key;
$value = $this->userdata($old_flashdata_key);
$new_flashdata_key = $this->flashdata_key.':new:'.$key;
$this->set_userdata($new_flashdata_key, $value);
}
// ------------------------------------------------------------------------
/**
* Fetch a specific flashdata item from the session array
*
* @access public
* @param string
* @return string
*/
function flashdata($key)
{
$flashdata_key = $this->flashdata_key.':old:'.$key;
return $this->userdata($flashdata_key);
}
// ------------------------------------------------------------------------
/**
* Identifies flashdata as 'old' for removal
* when _flashdata_sweep() runs.
*
* @access private
* @return void
*/
function _flashdata_mark()
{
$userdata = $this->all_userdata();
foreach ($userdata as $name => $value)
{
$parts = explode(':new:', $name);
if (is_array($parts) && count($parts) === 2)
{
$new_name = $this->flashdata_key.':old:'.$parts[1];
$this->set_userdata($new_name, $value);
$this->unset_userdata($name);
}
}
}
// ------------------------------------------------------------------------
/**
* Removes all flashdata marked as 'old'
*
* @access private
* @return void
*/
function _flashdata_sweep()
{
$userdata = $this->all_userdata();
foreach ($userdata as $key => $value)
{
if (strpos($key, ':old:'))
{
$this->unset_userdata($key);
}
}
}
// --------------------------------------------------------------------
/**
* Get the "now" time
*
* @access private
* @return string
*/
function _get_time()
{
if (strtolower($this->time_reference) == 'gmt')
{
$now = time();
$time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now));
}
else
{
$time = time();
}
return $time;
}
// --------------------------------------------------------------------
/**
* Write the session cookie
*
* @access public
* @return void
*/
function _set_cookie($cookie_data = NULL)
{
if (is_null($cookie_data))
{
$cookie_data = $this->userdata;
}
// Serialize the userdata for the cookie
$cookie_data = $this->_serialize($cookie_data);
if ($this->sess_encrypt_cookie == TRUE)
{
$cookie_data = $this->CI->encrypt->encode($cookie_data);
}
else
{
// if encryption is not used, we provide an md5 hash to prevent userside tampering
$cookie_data = $cookie_data.md5($cookie_data.$this->encryption_key);
}
$expire = ($this->sess_expire_on_close === TRUE) ? 0 : $this->sess_expiration + time();
// Set the cookie
setcookie(
$this->sess_cookie_name,
$cookie_data,
$expire,
$this->cookie_path,
$this->cookie_domain,
$this->cookie_secure
);
}
// --------------------------------------------------------------------
/**
* Serialize an array
*
* This function first converts any slashes found in the array to a temporary
* marker, so when it gets unserialized the slashes will be preserved
*
* @access private
* @param array
* @return string
*/
function _serialize($data)
{
if (is_array($data))
{
foreach ($data as $key => $val)
{
if (is_string($val))
{
$data[$key] = str_replace('\\', '{{slash}}', $val);
}
}
}
else
{
if (is_string($data))
{
$data = str_replace('\\', '{{slash}}', $data);
}
}
return serialize($data);
}
// --------------------------------------------------------------------
/**
* Unserialize
*
* This function unserializes a data string, then converts any
* temporary slash markers back to actual slashes
*
* @access private
* @param array
* @return string
*/
function _unserialize($data)
{
$data = @unserialize(strip_slashes($data));
if (is_array($data))
{
foreach ($data as $key => $val)
{
if (is_string($val))
{
$data[$key] = str_replace('{{slash}}', '\\', $val);
}
}
return $data;
}
return (is_string($data)) ? str_replace('{{slash}}', '\\', $data) : $data;
}
// --------------------------------------------------------------------
/**
* Garbage collection
*
* This deletes expired session rows from database
* if the probability percentage is met
*
* @access public
* @return void
*/
function _sess_gc()
{
if ($this->sess_use_database != TRUE)
{
return;
}
srand(time());
if ((rand() % 100) < $this->gc_probability)
{
$expire = $this->now - $this->sess_expiration;
$this->CI->db->where("last_activity < {$expire}");
$this->CI->db->delete($this->sess_table_name);
log_message('debug', 'Session garbage collection performed.');
}
}
}
// END Session Class
/* End of file Session.php */
/* Location: ./system/libraries/Session.php */ | 069h-course-management | trunk/ci/system/libraries/Session.php | PHP | mit | 19,266 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Encryption Class
*
* Provides two-way keyed encoding using XOR Hashing and Mcrypt
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/encryption.html
*/
class CI_Encrypt {
var $CI;
var $encryption_key = '';
var $_hash_type = 'sha1';
var $_mcrypt_exists = FALSE;
var $_mcrypt_cipher;
var $_mcrypt_mode;
/**
* Constructor
*
* Simply determines whether the mcrypt library exists.
*
*/
public function __construct()
{
$this->CI =& get_instance();
$this->_mcrypt_exists = ( ! function_exists('mcrypt_encrypt')) ? FALSE : TRUE;
log_message('debug', "Encrypt Class Initialized");
}
// --------------------------------------------------------------------
/**
* Fetch the encryption key
*
* Returns it as MD5 in order to have an exact-length 128 bit key.
* Mcrypt is sensitive to keys that are not the correct length
*
* @access public
* @param string
* @return string
*/
function get_key($key = '')
{
if ($key == '')
{
if ($this->encryption_key != '')
{
return $this->encryption_key;
}
$CI =& get_instance();
$key = $CI->config->item('encryption_key');
if ($key == FALSE)
{
show_error('In order to use the encryption class requires that you set an encryption key in your config file.');
}
}
return md5($key);
}
// --------------------------------------------------------------------
/**
* Set the encryption key
*
* @access public
* @param string
* @return void
*/
function set_key($key = '')
{
$this->encryption_key = $key;
}
// --------------------------------------------------------------------
/**
* Encode
*
* Encodes the message string using bitwise XOR encoding.
* The key is combined with a random hash, and then it
* too gets converted using XOR. The whole thing is then run
* through mcrypt (if supported) using the randomized key.
* The end result is a double-encrypted message string
* that is randomized with each call to this function,
* even if the supplied message and key are the same.
*
* @access public
* @param string the string to encode
* @param string the key
* @return string
*/
function encode($string, $key = '')
{
$key = $this->get_key($key);
if ($this->_mcrypt_exists === TRUE)
{
$enc = $this->mcrypt_encode($string, $key);
}
else
{
$enc = $this->_xor_encode($string, $key);
}
return base64_encode($enc);
}
// --------------------------------------------------------------------
/**
* Decode
*
* Reverses the above process
*
* @access public
* @param string
* @param string
* @return string
*/
function decode($string, $key = '')
{
$key = $this->get_key($key);
if (preg_match('/[^a-zA-Z0-9\/\+=]/', $string))
{
return FALSE;
}
$dec = base64_decode($string);
if ($this->_mcrypt_exists === TRUE)
{
if (($dec = $this->mcrypt_decode($dec, $key)) === FALSE)
{
return FALSE;
}
}
else
{
$dec = $this->_xor_decode($dec, $key);
}
return $dec;
}
// --------------------------------------------------------------------
/**
* Encode from Legacy
*
* Takes an encoded string from the original Encryption class algorithms and
* returns a newly encoded string using the improved method added in 2.0.0
* This allows for backwards compatibility and a method to transition to the
* new encryption algorithms.
*
* For more details, see http://codeigniter.com/user_guide/installation/upgrade_200.html#encryption
*
* @access public
* @param string
* @param int (mcrypt mode constant)
* @param string
* @return string
*/
function encode_from_legacy($string, $legacy_mode = MCRYPT_MODE_ECB, $key = '')
{
if ($this->_mcrypt_exists === FALSE)
{
log_message('error', 'Encoding from legacy is available only when Mcrypt is in use.');
return FALSE;
}
// decode it first
// set mode temporarily to what it was when string was encoded with the legacy
// algorithm - typically MCRYPT_MODE_ECB
$current_mode = $this->_get_mode();
$this->set_mode($legacy_mode);
$key = $this->get_key($key);
if (preg_match('/[^a-zA-Z0-9\/\+=]/', $string))
{
return FALSE;
}
$dec = base64_decode($string);
if (($dec = $this->mcrypt_decode($dec, $key)) === FALSE)
{
return FALSE;
}
$dec = $this->_xor_decode($dec, $key);
// set the mcrypt mode back to what it should be, typically MCRYPT_MODE_CBC
$this->set_mode($current_mode);
// and re-encode
return base64_encode($this->mcrypt_encode($dec, $key));
}
// --------------------------------------------------------------------
/**
* XOR Encode
*
* Takes a plain-text string and key as input and generates an
* encoded bit-string using XOR
*
* @access private
* @param string
* @param string
* @return string
*/
function _xor_encode($string, $key)
{
$rand = '';
while (strlen($rand) < 32)
{
$rand .= mt_rand(0, mt_getrandmax());
}
$rand = $this->hash($rand);
$enc = '';
for ($i = 0; $i < strlen($string); $i++)
{
$enc .= substr($rand, ($i % strlen($rand)), 1).(substr($rand, ($i % strlen($rand)), 1) ^ substr($string, $i, 1));
}
return $this->_xor_merge($enc, $key);
}
// --------------------------------------------------------------------
/**
* XOR Decode
*
* Takes an encoded string and key as input and generates the
* plain-text original message
*
* @access private
* @param string
* @param string
* @return string
*/
function _xor_decode($string, $key)
{
$string = $this->_xor_merge($string, $key);
$dec = '';
for ($i = 0; $i < strlen($string); $i++)
{
$dec .= (substr($string, $i++, 1) ^ substr($string, $i, 1));
}
return $dec;
}
// --------------------------------------------------------------------
/**
* XOR key + string Combiner
*
* Takes a string and key as input and computes the difference using XOR
*
* @access private
* @param string
* @param string
* @return string
*/
function _xor_merge($string, $key)
{
$hash = $this->hash($key);
$str = '';
for ($i = 0; $i < strlen($string); $i++)
{
$str .= substr($string, $i, 1) ^ substr($hash, ($i % strlen($hash)), 1);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Encrypt using Mcrypt
*
* @access public
* @param string
* @param string
* @return string
*/
function mcrypt_encode($data, $key)
{
$init_size = mcrypt_get_iv_size($this->_get_cipher(), $this->_get_mode());
$init_vect = mcrypt_create_iv($init_size, MCRYPT_RAND);
return $this->_add_cipher_noise($init_vect.mcrypt_encrypt($this->_get_cipher(), $key, $data, $this->_get_mode(), $init_vect), $key);
}
// --------------------------------------------------------------------
/**
* Decrypt using Mcrypt
*
* @access public
* @param string
* @param string
* @return string
*/
function mcrypt_decode($data, $key)
{
$data = $this->_remove_cipher_noise($data, $key);
$init_size = mcrypt_get_iv_size($this->_get_cipher(), $this->_get_mode());
if ($init_size > strlen($data))
{
return FALSE;
}
$init_vect = substr($data, 0, $init_size);
$data = substr($data, $init_size);
return rtrim(mcrypt_decrypt($this->_get_cipher(), $key, $data, $this->_get_mode(), $init_vect), "\0");
}
// --------------------------------------------------------------------
/**
* Adds permuted noise to the IV + encrypted data to protect
* against Man-in-the-middle attacks on CBC mode ciphers
* http://www.ciphersbyritter.com/GLOSSARY.HTM#IV
*
* Function description
*
* @access private
* @param string
* @param string
* @return string
*/
function _add_cipher_noise($data, $key)
{
$keyhash = $this->hash($key);
$keylen = strlen($keyhash);
$str = '';
for ($i = 0, $j = 0, $len = strlen($data); $i < $len; ++$i, ++$j)
{
if ($j >= $keylen)
{
$j = 0;
}
$str .= chr((ord($data[$i]) + ord($keyhash[$j])) % 256);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Removes permuted noise from the IV + encrypted data, reversing
* _add_cipher_noise()
*
* Function description
*
* @access public
* @param type
* @return type
*/
function _remove_cipher_noise($data, $key)
{
$keyhash = $this->hash($key);
$keylen = strlen($keyhash);
$str = '';
for ($i = 0, $j = 0, $len = strlen($data); $i < $len; ++$i, ++$j)
{
if ($j >= $keylen)
{
$j = 0;
}
$temp = ord($data[$i]) - ord($keyhash[$j]);
if ($temp < 0)
{
$temp = $temp + 256;
}
$str .= chr($temp);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Set the Mcrypt Cipher
*
* @access public
* @param constant
* @return string
*/
function set_cipher($cipher)
{
$this->_mcrypt_cipher = $cipher;
}
// --------------------------------------------------------------------
/**
* Set the Mcrypt Mode
*
* @access public
* @param constant
* @return string
*/
function set_mode($mode)
{
$this->_mcrypt_mode = $mode;
}
// --------------------------------------------------------------------
/**
* Get Mcrypt cipher Value
*
* @access private
* @return string
*/
function _get_cipher()
{
if ($this->_mcrypt_cipher == '')
{
$this->_mcrypt_cipher = MCRYPT_RIJNDAEL_256;
}
return $this->_mcrypt_cipher;
}
// --------------------------------------------------------------------
/**
* Get Mcrypt Mode Value
*
* @access private
* @return string
*/
function _get_mode()
{
if ($this->_mcrypt_mode == '')
{
$this->_mcrypt_mode = MCRYPT_MODE_CBC;
}
return $this->_mcrypt_mode;
}
// --------------------------------------------------------------------
/**
* Set the Hash type
*
* @access public
* @param string
* @return string
*/
function set_hash($type = 'sha1')
{
$this->_hash_type = ($type != 'sha1' AND $type != 'md5') ? 'sha1' : $type;
}
// --------------------------------------------------------------------
/**
* Hash encode a string
*
* @access public
* @param string
* @return string
*/
function hash($str)
{
return ($this->_hash_type == 'sha1') ? $this->sha1($str) : md5($str);
}
// --------------------------------------------------------------------
/**
* Generate an SHA1 Hash
*
* @access public
* @param string
* @return string
*/
function sha1($str)
{
if ( ! function_exists('sha1'))
{
if ( ! function_exists('mhash'))
{
require_once(BASEPATH.'libraries/Sha1.php');
$SH = new CI_SHA;
return $SH->generate($str);
}
else
{
return bin2hex(mhash(MHASH_SHA1, $str));
}
}
else
{
return sha1($str);
}
}
}
// END CI_Encrypt class
/* End of file Encrypt.php */
/* Location: ./system/libraries/Encrypt.php */ | 069h-course-management | trunk/ci/system/libraries/Encrypt.php | PHP | mit | 11,522 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Parser Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Parser
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/parser.html
*/
class CI_Parser {
var $l_delim = '{';
var $r_delim = '}';
var $object;
/**
* Parse a template
*
* Parses pseudo-variables contained in the specified template view,
* replacing them with the data in the second param
*
* @access public
* @param string
* @param array
* @param bool
* @return string
*/
public function parse($template, $data, $return = FALSE)
{
$CI =& get_instance();
$template = $CI->load->view($template, $data, TRUE);
return $this->_parse($template, $data, $return);
}
// --------------------------------------------------------------------
/**
* Parse a String
*
* Parses pseudo-variables contained in the specified string,
* replacing them with the data in the second param
*
* @access public
* @param string
* @param array
* @param bool
* @return string
*/
function parse_string($template, $data, $return = FALSE)
{
return $this->_parse($template, $data, $return);
}
// --------------------------------------------------------------------
/**
* Parse a template
*
* Parses pseudo-variables contained in the specified template,
* replacing them with the data in the second param
*
* @access public
* @param string
* @param array
* @param bool
* @return string
*/
function _parse($template, $data, $return = FALSE)
{
if ($template == '')
{
return FALSE;
}
foreach ($data as $key => $val)
{
if (is_array($val))
{
$template = $this->_parse_pair($key, $val, $template);
}
else
{
$template = $this->_parse_single($key, (string)$val, $template);
}
}
if ($return == FALSE)
{
$CI =& get_instance();
$CI->output->append_output($template);
}
return $template;
}
// --------------------------------------------------------------------
/**
* Set the left/right variable delimiters
*
* @access public
* @param string
* @param string
* @return void
*/
function set_delimiters($l = '{', $r = '}')
{
$this->l_delim = $l;
$this->r_delim = $r;
}
// --------------------------------------------------------------------
/**
* Parse a single key/value
*
* @access private
* @param string
* @param string
* @param string
* @return string
*/
function _parse_single($key, $val, $string)
{
return str_replace($this->l_delim.$key.$this->r_delim, $val, $string);
}
// --------------------------------------------------------------------
/**
* Parse a tag pair
*
* Parses tag pairs: {some_tag} string... {/some_tag}
*
* @access private
* @param string
* @param array
* @param string
* @return string
*/
function _parse_pair($variable, $data, $string)
{
if (FALSE === ($match = $this->_match_pair($string, $variable)))
{
return $string;
}
$str = '';
foreach ($data as $row)
{
$temp = $match['1'];
foreach ($row as $key => $val)
{
if ( ! is_array($val))
{
$temp = $this->_parse_single($key, $val, $temp);
}
else
{
$temp = $this->_parse_pair($key, $val, $temp);
}
}
$str .= $temp;
}
return str_replace($match['0'], $str, $string);
}
// --------------------------------------------------------------------
/**
* Matches a variable pair
*
* @access private
* @param string
* @param string
* @return mixed
*/
function _match_pair($string, $variable)
{
if ( ! preg_match("|" . preg_quote($this->l_delim) . $variable . preg_quote($this->r_delim) . "(.+?)". preg_quote($this->l_delim) . '/' . $variable . preg_quote($this->r_delim) . "|s", $string, $match))
{
return FALSE;
}
return $match;
}
}
// END Parser Class
/* End of file Parser.php */
/* Location: ./system/libraries/Parser.php */
| 069h-course-management | trunk/ci/system/libraries/Parser.php | PHP | mit | 4,427 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Email Class
*
* Permits email to be sent using Mail, Sendmail, or SMTP.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/email.html
*/
class CI_Email {
var $useragent = "CodeIgniter";
var $mailpath = "/usr/sbin/sendmail"; // Sendmail path
var $protocol = "mail"; // mail/sendmail/smtp
var $smtp_host = ""; // SMTP Server. Example: mail.earthlink.net
var $smtp_user = ""; // SMTP Username
var $smtp_pass = ""; // SMTP Password
var $smtp_port = "25"; // SMTP Port
var $smtp_timeout = 5; // SMTP Timeout in seconds
var $smtp_crypto = ""; // SMTP Encryption. Can be null, tls or ssl.
var $wordwrap = TRUE; // TRUE/FALSE Turns word-wrap on/off
var $wrapchars = "76"; // Number of characters to wrap at.
var $mailtype = "text"; // text/html Defines email formatting
var $charset = "utf-8"; // Default char set: iso-8859-1 or us-ascii
var $multipart = "mixed"; // "mixed" (in the body) or "related" (separate)
var $alt_message = ''; // Alternative message for HTML emails
var $validate = FALSE; // TRUE/FALSE. Enables email validation
var $priority = "3"; // Default priority (1 - 5)
var $newline = "\n"; // Default newline. "\r\n" or "\n" (Use "\r\n" to comply with RFC 822)
var $crlf = "\n"; // The RFC 2045 compliant CRLF for quoted-printable is "\r\n". Apparently some servers,
// even on the receiving end think they need to muck with CRLFs, so using "\n", while
// distasteful, is the only thing that seems to work for all environments.
var $send_multipart = TRUE; // TRUE/FALSE - Yahoo does not like multipart alternative, so this is an override. Set to FALSE for Yahoo.
var $bcc_batch_mode = FALSE; // TRUE/FALSE Turns on/off Bcc batch feature
var $bcc_batch_size = 200; // If bcc_batch_mode = TRUE, sets max number of Bccs in each batch
var $_safe_mode = FALSE;
var $_subject = "";
var $_body = "";
var $_finalbody = "";
var $_alt_boundary = "";
var $_atc_boundary = "";
var $_header_str = "";
var $_smtp_connect = "";
var $_encoding = "8bit";
var $_IP = FALSE;
var $_smtp_auth = FALSE;
var $_replyto_flag = FALSE;
var $_debug_msg = array();
var $_recipients = array();
var $_cc_array = array();
var $_bcc_array = array();
var $_headers = array();
var $_attach_name = array();
var $_attach_type = array();
var $_attach_disp = array();
var $_protocols = array('mail', 'sendmail', 'smtp');
var $_base_charsets = array('us-ascii', 'iso-2022-'); // 7-bit charsets (excluding language suffix)
var $_bit_depths = array('7bit', '8bit');
var $_priorities = array('1 (Highest)', '2 (High)', '3 (Normal)', '4 (Low)', '5 (Lowest)');
/**
* Constructor - Sets Email Preferences
*
* The constructor can be passed an array of config values
*/
public function __construct($config = array())
{
if (count($config) > 0)
{
$this->initialize($config);
}
else
{
$this->_smtp_auth = ($this->smtp_user == '' AND $this->smtp_pass == '') ? FALSE : TRUE;
$this->_safe_mode = ((boolean)@ini_get("safe_mode") === FALSE) ? FALSE : TRUE;
}
log_message('debug', "Email Class Initialized");
}
// --------------------------------------------------------------------
/**
* Initialize preferences
*
* @access public
* @param array
* @return void
*/
public function initialize($config = array())
{
foreach ($config as $key => $val)
{
if (isset($this->$key))
{
$method = 'set_'.$key;
if (method_exists($this, $method))
{
$this->$method($val);
}
else
{
$this->$key = $val;
}
}
}
$this->clear();
$this->_smtp_auth = ($this->smtp_user == '' AND $this->smtp_pass == '') ? FALSE : TRUE;
$this->_safe_mode = ((boolean)@ini_get("safe_mode") === FALSE) ? FALSE : TRUE;
return $this;
}
// --------------------------------------------------------------------
/**
* Initialize the Email Data
*
* @access public
* @return void
*/
public function clear($clear_attachments = FALSE)
{
$this->_subject = "";
$this->_body = "";
$this->_finalbody = "";
$this->_header_str = "";
$this->_replyto_flag = FALSE;
$this->_recipients = array();
$this->_cc_array = array();
$this->_bcc_array = array();
$this->_headers = array();
$this->_debug_msg = array();
$this->_set_header('User-Agent', $this->useragent);
$this->_set_header('Date', $this->_set_date());
if ($clear_attachments !== FALSE)
{
$this->_attach_name = array();
$this->_attach_type = array();
$this->_attach_disp = array();
}
return $this;
}
// --------------------------------------------------------------------
/**
* Set FROM
*
* @access public
* @param string
* @param string
* @return void
*/
public function from($from, $name = '')
{
if (preg_match( '/\<(.*)\>/', $from, $match))
{
$from = $match['1'];
}
if ($this->validate)
{
$this->validate_email($this->_str_to_array($from));
}
// prepare the display name
if ($name != '')
{
// only use Q encoding if there are characters that would require it
if ( ! preg_match('/[\200-\377]/', $name))
{
// add slashes for non-printing characters, slashes, and double quotes, and surround it in double quotes
$name = '"'.addcslashes($name, "\0..\37\177'\"\\").'"';
}
else
{
$name = $this->_prep_q_encoding($name, TRUE);
}
}
$this->_set_header('From', $name.' <'.$from.'>');
$this->_set_header('Return-Path', '<'.$from.'>');
return $this;
}
// --------------------------------------------------------------------
/**
* Set Reply-to
*
* @access public
* @param string
* @param string
* @return void
*/
public function reply_to($replyto, $name = '')
{
if (preg_match( '/\<(.*)\>/', $replyto, $match))
{
$replyto = $match['1'];
}
if ($this->validate)
{
$this->validate_email($this->_str_to_array($replyto));
}
if ($name == '')
{
$name = $replyto;
}
if (strncmp($name, '"', 1) != 0)
{
$name = '"'.$name.'"';
}
$this->_set_header('Reply-To', $name.' <'.$replyto.'>');
$this->_replyto_flag = TRUE;
return $this;
}
// --------------------------------------------------------------------
/**
* Set Recipients
*
* @access public
* @param string
* @return void
*/
public function to($to)
{
$to = $this->_str_to_array($to);
$to = $this->clean_email($to);
if ($this->validate)
{
$this->validate_email($to);
}
if ($this->_get_protocol() != 'mail')
{
$this->_set_header('To', implode(", ", $to));
}
switch ($this->_get_protocol())
{
case 'smtp' :
$this->_recipients = $to;
break;
case 'sendmail' :
case 'mail' :
$this->_recipients = implode(", ", $to);
break;
}
return $this;
}
// --------------------------------------------------------------------
/**
* Set CC
*
* @access public
* @param string
* @return void
*/
public function cc($cc)
{
$cc = $this->_str_to_array($cc);
$cc = $this->clean_email($cc);
if ($this->validate)
{
$this->validate_email($cc);
}
$this->_set_header('Cc', implode(", ", $cc));
if ($this->_get_protocol() == "smtp")
{
$this->_cc_array = $cc;
}
return $this;
}
// --------------------------------------------------------------------
/**
* Set BCC
*
* @access public
* @param string
* @param string
* @return void
*/
public function bcc($bcc, $limit = '')
{
if ($limit != '' && is_numeric($limit))
{
$this->bcc_batch_mode = TRUE;
$this->bcc_batch_size = $limit;
}
$bcc = $this->_str_to_array($bcc);
$bcc = $this->clean_email($bcc);
if ($this->validate)
{
$this->validate_email($bcc);
}
if (($this->_get_protocol() == "smtp") OR ($this->bcc_batch_mode && count($bcc) > $this->bcc_batch_size))
{
$this->_bcc_array = $bcc;
}
else
{
$this->_set_header('Bcc', implode(", ", $bcc));
}
return $this;
}
// --------------------------------------------------------------------
/**
* Set Email Subject
*
* @access public
* @param string
* @return void
*/
public function subject($subject)
{
$subject = $this->_prep_q_encoding($subject);
$this->_set_header('Subject', $subject);
return $this;
}
// --------------------------------------------------------------------
/**
* Set Body
*
* @access public
* @param string
* @return void
*/
public function message($body)
{
$this->_body = rtrim(str_replace("\r", "", $body));
/* strip slashes only if magic quotes is ON
if we do it with magic quotes OFF, it strips real, user-inputted chars.
NOTE: In PHP 5.4 get_magic_quotes_gpc() will always return 0 and
it will probably not exist in future versions at all.
*/
if ( ! is_php('5.4') && get_magic_quotes_gpc())
{
$this->_body = stripslashes($this->_body);
}
return $this;
}
// --------------------------------------------------------------------
/**
* Assign file attachments
*
* @access public
* @param string
* @return void
*/
public function attach($filename, $disposition = 'attachment')
{
$this->_attach_name[] = $filename;
$this->_attach_type[] = $this->_mime_types(pathinfo($filename, PATHINFO_EXTENSION));
$this->_attach_disp[] = $disposition; // Can also be 'inline' Not sure if it matters
return $this;
}
// --------------------------------------------------------------------
/**
* Add a Header Item
*
* @access protected
* @param string
* @param string
* @return void
*/
protected function _set_header($header, $value)
{
$this->_headers[$header] = $value;
}
// --------------------------------------------------------------------
/**
* Convert a String to an Array
*
* @access protected
* @param string
* @return array
*/
protected function _str_to_array($email)
{
if ( ! is_array($email))
{
if (strpos($email, ',') !== FALSE)
{
$email = preg_split('/[\s,]/', $email, -1, PREG_SPLIT_NO_EMPTY);
}
else
{
$email = trim($email);
settype($email, "array");
}
}
return $email;
}
// --------------------------------------------------------------------
/**
* Set Multipart Value
*
* @access public
* @param string
* @return void
*/
public function set_alt_message($str = '')
{
$this->alt_message = $str;
return $this;
}
// --------------------------------------------------------------------
/**
* Set Mailtype
*
* @access public
* @param string
* @return void
*/
public function set_mailtype($type = 'text')
{
$this->mailtype = ($type == 'html') ? 'html' : 'text';
return $this;
}
// --------------------------------------------------------------------
/**
* Set Wordwrap
*
* @access public
* @param string
* @return void
*/
public function set_wordwrap($wordwrap = TRUE)
{
$this->wordwrap = ($wordwrap === FALSE) ? FALSE : TRUE;
return $this;
}
// --------------------------------------------------------------------
/**
* Set Protocol
*
* @access public
* @param string
* @return void
*/
public function set_protocol($protocol = 'mail')
{
$this->protocol = ( ! in_array($protocol, $this->_protocols, TRUE)) ? 'mail' : strtolower($protocol);
return $this;
}
// --------------------------------------------------------------------
/**
* Set Priority
*
* @access public
* @param integer
* @return void
*/
public function set_priority($n = 3)
{
if ( ! is_numeric($n))
{
$this->priority = 3;
return;
}
if ($n < 1 OR $n > 5)
{
$this->priority = 3;
return;
}
$this->priority = $n;
return $this;
}
// --------------------------------------------------------------------
/**
* Set Newline Character
*
* @access public
* @param string
* @return void
*/
public function set_newline($newline = "\n")
{
if ($newline != "\n" AND $newline != "\r\n" AND $newline != "\r")
{
$this->newline = "\n";
return;
}
$this->newline = $newline;
return $this;
}
// --------------------------------------------------------------------
/**
* Set CRLF
*
* @access public
* @param string
* @return void
*/
public function set_crlf($crlf = "\n")
{
if ($crlf != "\n" AND $crlf != "\r\n" AND $crlf != "\r")
{
$this->crlf = "\n";
return;
}
$this->crlf = $crlf;
return $this;
}
// --------------------------------------------------------------------
/**
* Set Message Boundary
*
* @access protected
* @return void
*/
protected function _set_boundaries()
{
$this->_alt_boundary = "B_ALT_".uniqid(''); // multipart/alternative
$this->_atc_boundary = "B_ATC_".uniqid(''); // attachment boundary
}
// --------------------------------------------------------------------
/**
* Get the Message ID
*
* @access protected
* @return string
*/
protected function _get_message_id()
{
$from = $this->_headers['Return-Path'];
$from = str_replace(">", "", $from);
$from = str_replace("<", "", $from);
return "<".uniqid('').strstr($from, '@').">";
}
// --------------------------------------------------------------------
/**
* Get Mail Protocol
*
* @access protected
* @param bool
* @return string
*/
protected function _get_protocol($return = TRUE)
{
$this->protocol = strtolower($this->protocol);
$this->protocol = ( ! in_array($this->protocol, $this->_protocols, TRUE)) ? 'mail' : $this->protocol;
if ($return == TRUE)
{
return $this->protocol;
}
}
// --------------------------------------------------------------------
/**
* Get Mail Encoding
*
* @access protected
* @param bool
* @return string
*/
protected function _get_encoding($return = TRUE)
{
$this->_encoding = ( ! in_array($this->_encoding, $this->_bit_depths)) ? '8bit' : $this->_encoding;
foreach ($this->_base_charsets as $charset)
{
if (strncmp($charset, $this->charset, strlen($charset)) == 0)
{
$this->_encoding = '7bit';
}
}
if ($return == TRUE)
{
return $this->_encoding;
}
}
// --------------------------------------------------------------------
/**
* Get content type (text/html/attachment)
*
* @access protected
* @return string
*/
protected function _get_content_type()
{
if ($this->mailtype == 'html' && count($this->_attach_name) == 0)
{
return 'html';
}
elseif ($this->mailtype == 'html' && count($this->_attach_name) > 0)
{
return 'html-attach';
}
elseif ($this->mailtype == 'text' && count($this->_attach_name) > 0)
{
return 'plain-attach';
}
else
{
return 'plain';
}
}
// --------------------------------------------------------------------
/**
* Set RFC 822 Date
*
* @access protected
* @return string
*/
protected function _set_date()
{
$timezone = date("Z");
$operator = (strncmp($timezone, '-', 1) == 0) ? '-' : '+';
$timezone = abs($timezone);
$timezone = floor($timezone/3600) * 100 + ($timezone % 3600 ) / 60;
return sprintf("%s %s%04d", date("D, j M Y H:i:s"), $operator, $timezone);
}
// --------------------------------------------------------------------
/**
* Mime message
*
* @access protected
* @return string
*/
protected function _get_mime_message()
{
return "This is a multi-part message in MIME format.".$this->newline."Your email application may not support this format.";
}
// --------------------------------------------------------------------
/**
* Validate Email Address
*
* @access public
* @param string
* @return bool
*/
public function validate_email($email)
{
if ( ! is_array($email))
{
$this->_set_error_message('lang:email_must_be_array');
return FALSE;
}
foreach ($email as $val)
{
if ( ! $this->valid_email($val))
{
$this->_set_error_message('lang:email_invalid_address', $val);
return FALSE;
}
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Email Validation
*
* @access public
* @param string
* @return bool
*/
public function valid_email($address)
{
return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $address)) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Clean Extended Email Address: Joe Smith <joe@smith.com>
*
* @access public
* @param string
* @return string
*/
public function clean_email($email)
{
if ( ! is_array($email))
{
if (preg_match('/\<(.*)\>/', $email, $match))
{
return $match['1'];
}
else
{
return $email;
}
}
$clean_email = array();
foreach ($email as $addy)
{
if (preg_match( '/\<(.*)\>/', $addy, $match))
{
$clean_email[] = $match['1'];
}
else
{
$clean_email[] = $addy;
}
}
return $clean_email;
}
// --------------------------------------------------------------------
/**
* Build alternative plain text message
*
* This public function provides the raw message for use
* in plain-text headers of HTML-formatted emails.
* If the user hasn't specified his own alternative message
* it creates one by stripping the HTML
*
* @access protected
* @return string
*/
protected function _get_alt_message()
{
if ($this->alt_message != "")
{
return $this->word_wrap($this->alt_message, '76');
}
if (preg_match('/\<body.*?\>(.*)\<\/body\>/si', $this->_body, $match))
{
$body = $match['1'];
}
else
{
$body = $this->_body;
}
$body = trim(strip_tags($body));
$body = preg_replace( '#<!--(.*)--\>#', "", $body);
$body = str_replace("\t", "", $body);
for ($i = 20; $i >= 3; $i--)
{
$n = "";
for ($x = 1; $x <= $i; $x ++)
{
$n .= "\n";
}
$body = str_replace($n, "\n\n", $body);
}
return $this->word_wrap($body, '76');
}
// --------------------------------------------------------------------
/**
* Word Wrap
*
* @access public
* @param string
* @param integer
* @return string
*/
public function word_wrap($str, $charlim = '')
{
// Se the character limit
if ($charlim == '')
{
$charlim = ($this->wrapchars == "") ? "76" : $this->wrapchars;
}
// Reduce multiple spaces
$str = preg_replace("| +|", " ", $str);
// Standardize newlines
if (strpos($str, "\r") !== FALSE)
{
$str = str_replace(array("\r\n", "\r"), "\n", $str);
}
// If the current word is surrounded by {unwrap} tags we'll
// strip the entire chunk and replace it with a marker.
$unwrap = array();
if (preg_match_all("|(\{unwrap\}.+?\{/unwrap\})|s", $str, $matches))
{
for ($i = 0; $i < count($matches['0']); $i++)
{
$unwrap[] = $matches['1'][$i];
$str = str_replace($matches['1'][$i], "{{unwrapped".$i."}}", $str);
}
}
// Use PHP's native public function to do the initial wordwrap.
// We set the cut flag to FALSE so that any individual words that are
// too long get left alone. In the next step we'll deal with them.
$str = wordwrap($str, $charlim, "\n", FALSE);
// Split the string into individual lines of text and cycle through them
$output = "";
foreach (explode("\n", $str) as $line)
{
// Is the line within the allowed character count?
// If so we'll join it to the output and continue
if (strlen($line) <= $charlim)
{
$output .= $line.$this->newline;
continue;
}
$temp = '';
while ((strlen($line)) > $charlim)
{
// If the over-length word is a URL we won't wrap it
if (preg_match("!\[url.+\]|://|wwww.!", $line))
{
break;
}
// Trim the word down
$temp .= substr($line, 0, $charlim-1);
$line = substr($line, $charlim-1);
}
// If $temp contains data it means we had to split up an over-length
// word into smaller chunks so we'll add it back to our current line
if ($temp != '')
{
$output .= $temp.$this->newline.$line;
}
else
{
$output .= $line;
}
$output .= $this->newline;
}
// Put our markers back
if (count($unwrap) > 0)
{
foreach ($unwrap as $key => $val)
{
$output = str_replace("{{unwrapped".$key."}}", $val, $output);
}
}
return $output;
}
// --------------------------------------------------------------------
/**
* Build final headers
*
* @access protected
* @param string
* @return string
*/
protected function _build_headers()
{
$this->_set_header('X-Sender', $this->clean_email($this->_headers['From']));
$this->_set_header('X-Mailer', $this->useragent);
$this->_set_header('X-Priority', $this->_priorities[$this->priority - 1]);
$this->_set_header('Message-ID', $this->_get_message_id());
$this->_set_header('Mime-Version', '1.0');
}
// --------------------------------------------------------------------
/**
* Write Headers as a string
*
* @access protected
* @return void
*/
protected function _write_headers()
{
if ($this->protocol == 'mail')
{
$this->_subject = $this->_headers['Subject'];
unset($this->_headers['Subject']);
}
reset($this->_headers);
$this->_header_str = "";
foreach ($this->_headers as $key => $val)
{
$val = trim($val);
if ($val != "")
{
$this->_header_str .= $key.": ".$val.$this->newline;
}
}
if ($this->_get_protocol() == 'mail')
{
$this->_header_str = rtrim($this->_header_str);
}
}
// --------------------------------------------------------------------
/**
* Build Final Body and attachments
*
* @access protected
* @return void
*/
protected function _build_message()
{
if ($this->wordwrap === TRUE AND $this->mailtype != 'html')
{
$this->_body = $this->word_wrap($this->_body);
}
$this->_set_boundaries();
$this->_write_headers();
$hdr = ($this->_get_protocol() == 'mail') ? $this->newline : '';
$body = '';
switch ($this->_get_content_type())
{
case 'plain' :
$hdr .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
$hdr .= "Content-Transfer-Encoding: " . $this->_get_encoding();
if ($this->_get_protocol() == 'mail')
{
$this->_header_str .= $hdr;
$this->_finalbody = $this->_body;
}
else
{
$this->_finalbody = $hdr . $this->newline . $this->newline . $this->_body;
}
return;
break;
case 'html' :
if ($this->send_multipart === FALSE)
{
$hdr .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;
$hdr .= "Content-Transfer-Encoding: quoted-printable";
}
else
{
$hdr .= "Content-Type: multipart/alternative; boundary=\"" . $this->_alt_boundary . "\"" . $this->newline . $this->newline;
$body .= $this->_get_mime_message() . $this->newline . $this->newline;
$body .= "--" . $this->_alt_boundary . $this->newline;
$body .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
$body .= "Content-Transfer-Encoding: " . $this->_get_encoding() . $this->newline . $this->newline;
$body .= $this->_get_alt_message() . $this->newline . $this->newline . "--" . $this->_alt_boundary . $this->newline;
$body .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;
$body .= "Content-Transfer-Encoding: quoted-printable" . $this->newline . $this->newline;
}
$this->_finalbody = $body . $this->_prep_quoted_printable($this->_body) . $this->newline . $this->newline;
if ($this->_get_protocol() == 'mail')
{
$this->_header_str .= $hdr;
}
else
{
$this->_finalbody = $hdr . $this->_finalbody;
}
if ($this->send_multipart !== FALSE)
{
$this->_finalbody .= "--" . $this->_alt_boundary . "--";
}
return;
break;
case 'plain-attach' :
$hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline . $this->newline;
if ($this->_get_protocol() == 'mail')
{
$this->_header_str .= $hdr;
}
$body .= $this->_get_mime_message() . $this->newline . $this->newline;
$body .= "--" . $this->_atc_boundary . $this->newline;
$body .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
$body .= "Content-Transfer-Encoding: " . $this->_get_encoding() . $this->newline . $this->newline;
$body .= $this->_body . $this->newline . $this->newline;
break;
case 'html-attach' :
$hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline . $this->newline;
if ($this->_get_protocol() == 'mail')
{
$this->_header_str .= $hdr;
}
$body .= $this->_get_mime_message() . $this->newline . $this->newline;
$body .= "--" . $this->_atc_boundary . $this->newline;
$body .= "Content-Type: multipart/alternative; boundary=\"" . $this->_alt_boundary . "\"" . $this->newline .$this->newline;
$body .= "--" . $this->_alt_boundary . $this->newline;
$body .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
$body .= "Content-Transfer-Encoding: " . $this->_get_encoding() . $this->newline . $this->newline;
$body .= $this->_get_alt_message() . $this->newline . $this->newline . "--" . $this->_alt_boundary . $this->newline;
$body .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;
$body .= "Content-Transfer-Encoding: quoted-printable" . $this->newline . $this->newline;
$body .= $this->_prep_quoted_printable($this->_body) . $this->newline . $this->newline;
$body .= "--" . $this->_alt_boundary . "--" . $this->newline . $this->newline;
break;
}
$attachment = array();
$z = 0;
for ($i=0; $i < count($this->_attach_name); $i++)
{
$filename = $this->_attach_name[$i];
$basename = basename($filename);
$ctype = $this->_attach_type[$i];
if ( ! file_exists($filename))
{
$this->_set_error_message('lang:email_attachment_missing', $filename);
return FALSE;
}
$h = "--".$this->_atc_boundary.$this->newline;
$h .= "Content-type: ".$ctype."; ";
$h .= "name=\"".$basename."\"".$this->newline;
$h .= "Content-Disposition: ".$this->_attach_disp[$i].";".$this->newline;
$h .= "Content-Transfer-Encoding: base64".$this->newline;
$attachment[$z++] = $h;
$file = filesize($filename) +1;
if ( ! $fp = fopen($filename, FOPEN_READ))
{
$this->_set_error_message('lang:email_attachment_unreadable', $filename);
return FALSE;
}
$attachment[$z++] = chunk_split(base64_encode(fread($fp, $file)));
fclose($fp);
}
$body .= implode($this->newline, $attachment).$this->newline."--".$this->_atc_boundary."--";
if ($this->_get_protocol() == 'mail')
{
$this->_finalbody = $body;
}
else
{
$this->_finalbody = $hdr . $body;
}
return;
}
// --------------------------------------------------------------------
/**
* Prep Quoted Printable
*
* Prepares string for Quoted-Printable Content-Transfer-Encoding
* Refer to RFC 2045 http://www.ietf.org/rfc/rfc2045.txt
*
* @access protected
* @param string
* @param integer
* @return string
*/
protected function _prep_quoted_printable($str, $charlim = '')
{
// Set the character limit
// Don't allow over 76, as that will make servers and MUAs barf
// all over quoted-printable data
if ($charlim == '' OR $charlim > '76')
{
$charlim = '76';
}
// Reduce multiple spaces
$str = preg_replace("| +|", " ", $str);
// kill nulls
$str = preg_replace('/\x00+/', '', $str);
// Standardize newlines
if (strpos($str, "\r") !== FALSE)
{
$str = str_replace(array("\r\n", "\r"), "\n", $str);
}
// We are intentionally wrapping so mail servers will encode characters
// properly and MUAs will behave, so {unwrap} must go!
$str = str_replace(array('{unwrap}', '{/unwrap}'), '', $str);
// Break into an array of lines
$lines = explode("\n", $str);
$escape = '=';
$output = '';
foreach ($lines as $line)
{
$length = strlen($line);
$temp = '';
// Loop through each character in the line to add soft-wrap
// characters at the end of a line " =\r\n" and add the newly
// processed line(s) to the output (see comment on $crlf class property)
for ($i = 0; $i < $length; $i++)
{
// Grab the next character
$char = substr($line, $i, 1);
$ascii = ord($char);
// Convert spaces and tabs but only if it's the end of the line
if ($i == ($length - 1))
{
$char = ($ascii == '32' OR $ascii == '9') ? $escape.sprintf('%02s', dechex($ascii)) : $char;
}
// encode = signs
if ($ascii == '61')
{
$char = $escape.strtoupper(sprintf('%02s', dechex($ascii))); // =3D
}
// If we're at the character limit, add the line to the output,
// reset our temp variable, and keep on chuggin'
if ((strlen($temp) + strlen($char)) >= $charlim)
{
$output .= $temp.$escape.$this->crlf;
$temp = '';
}
// Add the character to our temporary line
$temp .= $char;
}
// Add our completed line to the output
$output .= $temp.$this->crlf;
}
// get rid of extra CRLF tacked onto the end
$output = substr($output, 0, strlen($this->crlf) * -1);
return $output;
}
// --------------------------------------------------------------------
/**
* Prep Q Encoding
*
* Performs "Q Encoding" on a string for use in email headers. It's related
* but not identical to quoted-printable, so it has its own method
*
* @access public
* @param str
* @param bool // set to TRUE for processing From: headers
* @return str
*/
protected function _prep_q_encoding($str, $from = FALSE)
{
$str = str_replace(array("\r", "\n"), array('', ''), $str);
// Line length must not exceed 76 characters, so we adjust for
// a space, 7 extra characters =??Q??=, and the charset that we will add to each line
$limit = 75 - 7 - strlen($this->charset);
// these special characters must be converted too
$convert = array('_', '=', '?');
if ($from === TRUE)
{
$convert[] = ',';
$convert[] = ';';
}
$output = '';
$temp = '';
for ($i = 0, $length = strlen($str); $i < $length; $i++)
{
// Grab the next character
$char = substr($str, $i, 1);
$ascii = ord($char);
// convert ALL non-printable ASCII characters and our specials
if ($ascii < 32 OR $ascii > 126 OR in_array($char, $convert))
{
$char = '='.dechex($ascii);
}
// handle regular spaces a bit more compactly than =20
if ($ascii == 32)
{
$char = '_';
}
// If we're at the character limit, add the line to the output,
// reset our temp variable, and keep on chuggin'
if ((strlen($temp) + strlen($char)) >= $limit)
{
$output .= $temp.$this->crlf;
$temp = '';
}
// Add the character to our temporary line
$temp .= $char;
}
$str = $output.$temp;
// wrap each line with the shebang, charset, and transfer encoding
// the preceding space on successive lines is required for header "folding"
$str = trim(preg_replace('/^(.*)$/m', ' =?'.$this->charset.'?Q?$1?=', $str));
return $str;
}
// --------------------------------------------------------------------
/**
* Send Email
*
* @access public
* @return bool
*/
public function send()
{
if ($this->_replyto_flag == FALSE)
{
$this->reply_to($this->_headers['From']);
}
if (( ! isset($this->_recipients) AND ! isset($this->_headers['To'])) AND
( ! isset($this->_bcc_array) AND ! isset($this->_headers['Bcc'])) AND
( ! isset($this->_headers['Cc'])))
{
$this->_set_error_message('lang:email_no_recipients');
return FALSE;
}
$this->_build_headers();
if ($this->bcc_batch_mode AND count($this->_bcc_array) > 0)
{
if (count($this->_bcc_array) > $this->bcc_batch_size)
return $this->batch_bcc_send();
}
$this->_build_message();
if ( ! $this->_spool_email())
{
return FALSE;
}
else
{
return TRUE;
}
}
// --------------------------------------------------------------------
/**
* Batch Bcc Send. Sends groups of BCCs in batches
*
* @access public
* @return bool
*/
public function batch_bcc_send()
{
$float = $this->bcc_batch_size -1;
$set = "";
$chunk = array();
for ($i = 0; $i < count($this->_bcc_array); $i++)
{
if (isset($this->_bcc_array[$i]))
{
$set .= ", ".$this->_bcc_array[$i];
}
if ($i == $float)
{
$chunk[] = substr($set, 1);
$float = $float + $this->bcc_batch_size;
$set = "";
}
if ($i == count($this->_bcc_array)-1)
{
$chunk[] = substr($set, 1);
}
}
for ($i = 0; $i < count($chunk); $i++)
{
unset($this->_headers['Bcc']);
unset($bcc);
$bcc = $this->_str_to_array($chunk[$i]);
$bcc = $this->clean_email($bcc);
if ($this->protocol != 'smtp')
{
$this->_set_header('Bcc', implode(", ", $bcc));
}
else
{
$this->_bcc_array = $bcc;
}
$this->_build_message();
$this->_spool_email();
}
}
// --------------------------------------------------------------------
/**
* Unwrap special elements
*
* @access protected
* @return void
*/
protected function _unwrap_specials()
{
$this->_finalbody = preg_replace_callback("/\{unwrap\}(.*?)\{\/unwrap\}/si", array($this, '_remove_nl_callback'), $this->_finalbody);
}
// --------------------------------------------------------------------
/**
* Strip line-breaks via callback
*
* @access protected
* @return string
*/
protected function _remove_nl_callback($matches)
{
if (strpos($matches[1], "\r") !== FALSE OR strpos($matches[1], "\n") !== FALSE)
{
$matches[1] = str_replace(array("\r\n", "\r", "\n"), '', $matches[1]);
}
return $matches[1];
}
// --------------------------------------------------------------------
/**
* Spool mail to the mail server
*
* @access protected
* @return bool
*/
protected function _spool_email()
{
$this->_unwrap_specials();
switch ($this->_get_protocol())
{
case 'mail' :
if ( ! $this->_send_with_mail())
{
$this->_set_error_message('lang:email_send_failure_phpmail');
return FALSE;
}
break;
case 'sendmail' :
if ( ! $this->_send_with_sendmail())
{
$this->_set_error_message('lang:email_send_failure_sendmail');
return FALSE;
}
break;
case 'smtp' :
if ( ! $this->_send_with_smtp())
{
$this->_set_error_message('lang:email_send_failure_smtp');
return FALSE;
}
break;
}
$this->_set_error_message('lang:email_sent', $this->_get_protocol());
return TRUE;
}
// --------------------------------------------------------------------
/**
* Send using mail()
*
* @access protected
* @return bool
*/
protected function _send_with_mail()
{
if ($this->_safe_mode == TRUE)
{
if ( ! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str))
{
return FALSE;
}
else
{
return TRUE;
}
}
else
{
// most documentation of sendmail using the "-f" flag lacks a space after it, however
// we've encountered servers that seem to require it to be in place.
if ( ! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str, "-f ".$this->clean_email($this->_headers['From'])))
{
return FALSE;
}
else
{
return TRUE;
}
}
}
// --------------------------------------------------------------------
/**
* Send using Sendmail
*
* @access protected
* @return bool
*/
protected function _send_with_sendmail()
{
$fp = @popen($this->mailpath . " -oi -f ".$this->clean_email($this->_headers['From'])." -t", 'w');
if ($fp === FALSE OR $fp === NULL)
{
// server probably has popen disabled, so nothing we can do to get a verbose error.
return FALSE;
}
fputs($fp, $this->_header_str);
fputs($fp, $this->_finalbody);
$status = pclose($fp);
if (version_compare(PHP_VERSION, '4.2.3') == -1)
{
$status = $status >> 8 & 0xFF;
}
if ($status != 0)
{
$this->_set_error_message('lang:email_exit_status', $status);
$this->_set_error_message('lang:email_no_socket');
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Send using SMTP
*
* @access protected
* @return bool
*/
protected function _send_with_smtp()
{
if ($this->smtp_host == '')
{
$this->_set_error_message('lang:email_no_hostname');
return FALSE;
}
$this->_smtp_connect();
$this->_smtp_authenticate();
$this->_send_command('from', $this->clean_email($this->_headers['From']));
foreach ($this->_recipients as $val)
{
$this->_send_command('to', $val);
}
if (count($this->_cc_array) > 0)
{
foreach ($this->_cc_array as $val)
{
if ($val != "")
{
$this->_send_command('to', $val);
}
}
}
if (count($this->_bcc_array) > 0)
{
foreach ($this->_bcc_array as $val)
{
if ($val != "")
{
$this->_send_command('to', $val);
}
}
}
$this->_send_command('data');
// perform dot transformation on any lines that begin with a dot
$this->_send_data($this->_header_str . preg_replace('/^\./m', '..$1', $this->_finalbody));
$this->_send_data('.');
$reply = $this->_get_smtp_data();
$this->_set_error_message($reply);
if (strncmp($reply, '250', 3) != 0)
{
$this->_set_error_message('lang:email_smtp_error', $reply);
return FALSE;
}
$this->_send_command('quit');
return TRUE;
}
// --------------------------------------------------------------------
/**
* SMTP Connect
*
* @access protected
* @param string
* @return string
*/
protected function _smtp_connect()
{
$ssl = NULL;
if ($this->smtp_crypto == 'ssl')
$ssl = 'ssl://';
$this->_smtp_connect = fsockopen($ssl.$this->smtp_host,
$this->smtp_port,
$errno,
$errstr,
$this->smtp_timeout);
if ( ! is_resource($this->_smtp_connect))
{
$this->_set_error_message('lang:email_smtp_error', $errno." ".$errstr);
return FALSE;
}
$this->_set_error_message($this->_get_smtp_data());
if ($this->smtp_crypto == 'tls')
{
$this->_send_command('hello');
$this->_send_command('starttls');
stream_socket_enable_crypto($this->_smtp_connect, TRUE, STREAM_CRYPTO_METHOD_TLS_CLIENT);
}
return $this->_send_command('hello');
}
// --------------------------------------------------------------------
/**
* Send SMTP command
*
* @access protected
* @param string
* @param string
* @return string
*/
protected function _send_command($cmd, $data = '')
{
switch ($cmd)
{
case 'hello' :
if ($this->_smtp_auth OR $this->_get_encoding() == '8bit')
$this->_send_data('EHLO '.$this->_get_hostname());
else
$this->_send_data('HELO '.$this->_get_hostname());
$resp = 250;
break;
case 'starttls' :
$this->_send_data('STARTTLS');
$resp = 220;
break;
case 'from' :
$this->_send_data('MAIL FROM:<'.$data.'>');
$resp = 250;
break;
case 'to' :
$this->_send_data('RCPT TO:<'.$data.'>');
$resp = 250;
break;
case 'data' :
$this->_send_data('DATA');
$resp = 354;
break;
case 'quit' :
$this->_send_data('QUIT');
$resp = 221;
break;
}
$reply = $this->_get_smtp_data();
$this->_debug_msg[] = "<pre>".$cmd.": ".$reply."</pre>";
if (substr($reply, 0, 3) != $resp)
{
$this->_set_error_message('lang:email_smtp_error', $reply);
return FALSE;
}
if ($cmd == 'quit')
{
fclose($this->_smtp_connect);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* SMTP Authenticate
*
* @access protected
* @return bool
*/
protected function _smtp_authenticate()
{
if ( ! $this->_smtp_auth)
{
return TRUE;
}
if ($this->smtp_user == "" AND $this->smtp_pass == "")
{
$this->_set_error_message('lang:email_no_smtp_unpw');
return FALSE;
}
$this->_send_data('AUTH LOGIN');
$reply = $this->_get_smtp_data();
if (strncmp($reply, '334', 3) != 0)
{
$this->_set_error_message('lang:email_failed_smtp_login', $reply);
return FALSE;
}
$this->_send_data(base64_encode($this->smtp_user));
$reply = $this->_get_smtp_data();
if (strncmp($reply, '334', 3) != 0)
{
$this->_set_error_message('lang:email_smtp_auth_un', $reply);
return FALSE;
}
$this->_send_data(base64_encode($this->smtp_pass));
$reply = $this->_get_smtp_data();
if (strncmp($reply, '235', 3) != 0)
{
$this->_set_error_message('lang:email_smtp_auth_pw', $reply);
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Send SMTP data
*
* @access protected
* @return bool
*/
protected function _send_data($data)
{
if ( ! fwrite($this->_smtp_connect, $data . $this->newline))
{
$this->_set_error_message('lang:email_smtp_data_failure', $data);
return FALSE;
}
else
{
return TRUE;
}
}
// --------------------------------------------------------------------
/**
* Get SMTP data
*
* @access protected
* @return string
*/
protected function _get_smtp_data()
{
$data = "";
while ($str = fgets($this->_smtp_connect, 512))
{
$data .= $str;
if (substr($str, 3, 1) == " ")
{
break;
}
}
return $data;
}
// --------------------------------------------------------------------
/**
* Get Hostname
*
* @access protected
* @return string
*/
protected function _get_hostname()
{
return (isset($_SERVER['SERVER_NAME'])) ? $_SERVER['SERVER_NAME'] : 'localhost.localdomain';
}
// --------------------------------------------------------------------
/**
* Get IP
*
* @access protected
* @return string
*/
protected function _get_ip()
{
if ($this->_IP !== FALSE)
{
return $this->_IP;
}
$cip = (isset($_SERVER['HTTP_CLIENT_IP']) AND $_SERVER['HTTP_CLIENT_IP'] != "") ? $_SERVER['HTTP_CLIENT_IP'] : FALSE;
$rip = (isset($_SERVER['REMOTE_ADDR']) AND $_SERVER['REMOTE_ADDR'] != "") ? $_SERVER['REMOTE_ADDR'] : FALSE;
$fip = (isset($_SERVER['HTTP_X_FORWARDED_FOR']) AND $_SERVER['HTTP_X_FORWARDED_FOR'] != "") ? $_SERVER['HTTP_X_FORWARDED_FOR'] : FALSE;
if ($cip && $rip) $this->_IP = $cip;
elseif ($rip) $this->_IP = $rip;
elseif ($cip) $this->_IP = $cip;
elseif ($fip) $this->_IP = $fip;
if (strpos($this->_IP, ',') !== FALSE)
{
$x = explode(',', $this->_IP);
$this->_IP = end($x);
}
if ( ! preg_match( "/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/", $this->_IP))
{
$this->_IP = '0.0.0.0';
}
unset($cip);
unset($rip);
unset($fip);
return $this->_IP;
}
// --------------------------------------------------------------------
/**
* Get Debug Message
*
* @access public
* @return string
*/
public function print_debugger()
{
$msg = '';
if (count($this->_debug_msg) > 0)
{
foreach ($this->_debug_msg as $val)
{
$msg .= $val;
}
}
$msg .= "<pre>".$this->_header_str."\n".htmlspecialchars($this->_subject)."\n".htmlspecialchars($this->_finalbody).'</pre>';
return $msg;
}
// --------------------------------------------------------------------
/**
* Set Message
*
* @access protected
* @param string
* @return string
*/
protected function _set_error_message($msg, $val = '')
{
$CI =& get_instance();
$CI->lang->load('email');
if (substr($msg, 0, 5) != 'lang:' || FALSE === ($line = $CI->lang->line(substr($msg, 5))))
{
$this->_debug_msg[] = str_replace('%s', $val, $msg)."<br />";
}
else
{
$this->_debug_msg[] = str_replace('%s', $val, $line)."<br />";
}
}
// --------------------------------------------------------------------
/**
* Mime Types
*
* @access protected
* @param string
* @return string
*/
protected function _mime_types($ext = "")
{
$mimes = array( 'hqx' => 'application/mac-binhex40',
'cpt' => 'application/mac-compactpro',
'doc' => 'application/msword',
'bin' => 'application/macbinary',
'dms' => 'application/octet-stream',
'lha' => 'application/octet-stream',
'lzh' => 'application/octet-stream',
'exe' => 'application/octet-stream',
'class' => 'application/octet-stream',
'psd' => 'application/octet-stream',
'so' => 'application/octet-stream',
'sea' => 'application/octet-stream',
'dll' => 'application/octet-stream',
'oda' => 'application/oda',
'pdf' => 'application/pdf',
'ai' => 'application/postscript',
'eps' => 'application/postscript',
'ps' => 'application/postscript',
'smi' => 'application/smil',
'smil' => 'application/smil',
'mif' => 'application/vnd.mif',
'xls' => 'application/vnd.ms-excel',
'ppt' => 'application/vnd.ms-powerpoint',
'wbxml' => 'application/vnd.wap.wbxml',
'wmlc' => 'application/vnd.wap.wmlc',
'dcr' => 'application/x-director',
'dir' => 'application/x-director',
'dxr' => 'application/x-director',
'dvi' => 'application/x-dvi',
'gtar' => 'application/x-gtar',
'php' => 'application/x-httpd-php',
'php4' => 'application/x-httpd-php',
'php3' => 'application/x-httpd-php',
'phtml' => 'application/x-httpd-php',
'phps' => 'application/x-httpd-php-source',
'js' => 'application/x-javascript',
'swf' => 'application/x-shockwave-flash',
'sit' => 'application/x-stuffit',
'tar' => 'application/x-tar',
'tgz' => 'application/x-tar',
'xhtml' => 'application/xhtml+xml',
'xht' => 'application/xhtml+xml',
'zip' => 'application/zip',
'mid' => 'audio/midi',
'midi' => 'audio/midi',
'mpga' => 'audio/mpeg',
'mp2' => 'audio/mpeg',
'mp3' => 'audio/mpeg',
'aif' => 'audio/x-aiff',
'aiff' => 'audio/x-aiff',
'aifc' => 'audio/x-aiff',
'ram' => 'audio/x-pn-realaudio',
'rm' => 'audio/x-pn-realaudio',
'rpm' => 'audio/x-pn-realaudio-plugin',
'ra' => 'audio/x-realaudio',
'rv' => 'video/vnd.rn-realvideo',
'wav' => 'audio/x-wav',
'bmp' => 'image/bmp',
'gif' => 'image/gif',
'jpeg' => 'image/jpeg',
'jpg' => 'image/jpeg',
'jpe' => 'image/jpeg',
'png' => 'image/png',
'tiff' => 'image/tiff',
'tif' => 'image/tiff',
'css' => 'text/css',
'html' => 'text/html',
'htm' => 'text/html',
'shtml' => 'text/html',
'txt' => 'text/plain',
'text' => 'text/plain',
'log' => 'text/plain',
'rtx' => 'text/richtext',
'rtf' => 'text/rtf',
'xml' => 'text/xml',
'xsl' => 'text/xml',
'mpeg' => 'video/mpeg',
'mpg' => 'video/mpeg',
'mpe' => 'video/mpeg',
'qt' => 'video/quicktime',
'mov' => 'video/quicktime',
'avi' => 'video/x-msvideo',
'movie' => 'video/x-sgi-movie',
'doc' => 'application/msword',
'word' => 'application/msword',
'xl' => 'application/excel',
'eml' => 'message/rfc822'
);
return ( ! isset($mimes[strtolower($ext)])) ? "application/x-unknown-content-type" : $mimes[strtolower($ext)];
}
}
// END CI_Email class
/* End of file Email.php */
/* Location: ./system/libraries/Email.php */
| 069h-course-management | trunk/ci/system/libraries/Email.php | PHP | mit | 47,965 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Javascript Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Javascript
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/javascript.html
*/
class CI_Javascript {
var $_javascript_location = 'js';
public function __construct($params = array())
{
$defaults = array('js_library_driver' => 'jquery', 'autoload' => TRUE);
foreach ($defaults as $key => $val)
{
if (isset($params[$key]) && $params[$key] !== "")
{
$defaults[$key] = $params[$key];
}
}
extract($defaults);
$this->CI =& get_instance();
// load the requested js library
$this->CI->load->library('javascript/'.$js_library_driver, array('autoload' => $autoload));
// make js to refer to current library
$this->js =& $this->CI->$js_library_driver;
log_message('debug', "Javascript Class Initialized and loaded. Driver used: $js_library_driver");
}
// --------------------------------------------------------------------
// Event Code
// --------------------------------------------------------------------
/**
* Blur
*
* Outputs a javascript library blur event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function blur($element = 'this', $js = '')
{
return $this->js->_blur($element, $js);
}
// --------------------------------------------------------------------
/**
* Change
*
* Outputs a javascript library change event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function change($element = 'this', $js = '')
{
return $this->js->_change($element, $js);
}
// --------------------------------------------------------------------
/**
* Click
*
* Outputs a javascript library click event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @param boolean whether or not to return false
* @return string
*/
function click($element = 'this', $js = '', $ret_false = TRUE)
{
return $this->js->_click($element, $js, $ret_false);
}
// --------------------------------------------------------------------
/**
* Double Click
*
* Outputs a javascript library dblclick event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function dblclick($element = 'this', $js = '')
{
return $this->js->_dblclick($element, $js);
}
// --------------------------------------------------------------------
/**
* Error
*
* Outputs a javascript library error event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function error($element = 'this', $js = '')
{
return $this->js->_error($element, $js);
}
// --------------------------------------------------------------------
/**
* Focus
*
* Outputs a javascript library focus event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function focus($element = 'this', $js = '')
{
return $this->js->__add_event($focus, $js);
}
// --------------------------------------------------------------------
/**
* Hover
*
* Outputs a javascript library hover event
*
* @access public
* @param string - element
* @param string - Javascript code for mouse over
* @param string - Javascript code for mouse out
* @return string
*/
function hover($element = 'this', $over, $out)
{
return $this->js->__hover($element, $over, $out);
}
// --------------------------------------------------------------------
/**
* Keydown
*
* Outputs a javascript library keydown event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function keydown($element = 'this', $js = '')
{
return $this->js->_keydown($element, $js);
}
// --------------------------------------------------------------------
/**
* Keyup
*
* Outputs a javascript library keydown event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function keyup($element = 'this', $js = '')
{
return $this->js->_keyup($element, $js);
}
// --------------------------------------------------------------------
/**
* Load
*
* Outputs a javascript library load event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function load($element = 'this', $js = '')
{
return $this->js->_load($element, $js);
}
// --------------------------------------------------------------------
/**
* Mousedown
*
* Outputs a javascript library mousedown event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function mousedown($element = 'this', $js = '')
{
return $this->js->_mousedown($element, $js);
}
// --------------------------------------------------------------------
/**
* Mouse Out
*
* Outputs a javascript library mouseout event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function mouseout($element = 'this', $js = '')
{
return $this->js->_mouseout($element, $js);
}
// --------------------------------------------------------------------
/**
* Mouse Over
*
* Outputs a javascript library mouseover event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function mouseover($element = 'this', $js = '')
{
return $this->js->_mouseover($element, $js);
}
// --------------------------------------------------------------------
/**
* Mouseup
*
* Outputs a javascript library mouseup event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function mouseup($element = 'this', $js = '')
{
return $this->js->_mouseup($element, $js);
}
// --------------------------------------------------------------------
/**
* Output
*
* Outputs the called javascript to the screen
*
* @access public
* @param string The code to output
* @return string
*/
function output($js)
{
return $this->js->_output($js);
}
// --------------------------------------------------------------------
/**
* Ready
*
* Outputs a javascript library mouseup event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function ready($js)
{
return $this->js->_document_ready($js);
}
// --------------------------------------------------------------------
/**
* Resize
*
* Outputs a javascript library resize event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function resize($element = 'this', $js = '')
{
return $this->js->_resize($element, $js);
}
// --------------------------------------------------------------------
/**
* Scroll
*
* Outputs a javascript library scroll event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function scroll($element = 'this', $js = '')
{
return $this->js->_scroll($element, $js);
}
// --------------------------------------------------------------------
/**
* Unload
*
* Outputs a javascript library unload event
*
* @access public
* @param string The element to attach the event to
* @param string The code to execute
* @return string
*/
function unload($element = 'this', $js = '')
{
return $this->js->_unload($element, $js);
}
// --------------------------------------------------------------------
// Effects
// --------------------------------------------------------------------
/**
* Add Class
*
* Outputs a javascript library addClass event
*
* @access public
* @param string - element
* @param string - Class to add
* @return string
*/
function addClass($element = 'this', $class = '')
{
return $this->js->_addClass($element, $class);
}
// --------------------------------------------------------------------
/**
* Animate
*
* Outputs a javascript library animate event
*
* @access public
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function animate($element = 'this', $params = array(), $speed = '', $extra = '')
{
return $this->js->_animate($element, $params, $speed, $extra);
}
// --------------------------------------------------------------------
/**
* Fade In
*
* Outputs a javascript library hide event
*
* @access public
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function fadeIn($element = 'this', $speed = '', $callback = '')
{
return $this->js->_fadeIn($element, $speed, $callback);
}
// --------------------------------------------------------------------
/**
* Fade Out
*
* Outputs a javascript library hide event
*
* @access public
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function fadeOut($element = 'this', $speed = '', $callback = '')
{
return $this->js->_fadeOut($element, $speed, $callback);
}
// --------------------------------------------------------------------
/**
* Slide Up
*
* Outputs a javascript library slideUp event
*
* @access public
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function slideUp($element = 'this', $speed = '', $callback = '')
{
return $this->js->_slideUp($element, $speed, $callback);
}
// --------------------------------------------------------------------
/**
* Remove Class
*
* Outputs a javascript library removeClass event
*
* @access public
* @param string - element
* @param string - Class to add
* @return string
*/
function removeClass($element = 'this', $class = '')
{
return $this->js->_removeClass($element, $class);
}
// --------------------------------------------------------------------
/**
* Slide Down
*
* Outputs a javascript library slideDown event
*
* @access public
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function slideDown($element = 'this', $speed = '', $callback = '')
{
return $this->js->_slideDown($element, $speed, $callback);
}
// --------------------------------------------------------------------
/**
* Slide Toggle
*
* Outputs a javascript library slideToggle event
*
* @access public
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function slideToggle($element = 'this', $speed = '', $callback = '')
{
return $this->js->_slideToggle($element, $speed, $callback);
}
// --------------------------------------------------------------------
/**
* Hide
*
* Outputs a javascript library hide action
*
* @access public
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function hide($element = 'this', $speed = '', $callback = '')
{
return $this->js->_hide($element, $speed, $callback);
}
// --------------------------------------------------------------------
/**
* Toggle
*
* Outputs a javascript library toggle event
*
* @access public
* @param string - element
* @return string
*/
function toggle($element = 'this')
{
return $this->js->_toggle($element);
}
// --------------------------------------------------------------------
/**
* Toggle Class
*
* Outputs a javascript library toggle class event
*
* @access public
* @param string - element
* @return string
*/
function toggleClass($element = 'this', $class='')
{
return $this->js->_toggleClass($element, $class);
}
// --------------------------------------------------------------------
/**
* Show
*
* Outputs a javascript library show event
*
* @access public
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function show($element = 'this', $speed = '', $callback = '')
{
return $this->js->_show($element, $speed, $callback);
}
// --------------------------------------------------------------------
/**
* Compile
*
* gather together all script needing to be output
*
* @access public
* @param string The element to attach the event to
* @return string
*/
function compile($view_var = 'script_foot', $script_tags = TRUE)
{
$this->js->_compile($view_var, $script_tags);
}
/**
* Clear Compile
*
* Clears any previous javascript collected for output
*
* @access public
* @return void
*/
function clear_compile()
{
$this->js->_clear_compile();
}
// --------------------------------------------------------------------
/**
* External
*
* Outputs a <script> tag with the source as an external js file
*
* @access public
* @param string The element to attach the event to
* @return string
*/
function external($external_file = '', $relative = FALSE)
{
if ($external_file !== '')
{
$this->_javascript_location = $external_file;
}
else
{
if ($this->CI->config->item('javascript_location') != '')
{
$this->_javascript_location = $this->CI->config->item('javascript_location');
}
}
if ($relative === TRUE OR strncmp($external_file, 'http://', 7) == 0 OR strncmp($external_file, 'https://', 8) == 0)
{
$str = $this->_open_script($external_file);
}
elseif (strpos($this->_javascript_location, 'http://') !== FALSE)
{
$str = $this->_open_script($this->_javascript_location.$external_file);
}
else
{
$str = $this->_open_script($this->CI->config->slash_item('base_url').$this->_javascript_location.$external_file);
}
$str .= $this->_close_script();
return $str;
}
// --------------------------------------------------------------------
/**
* Inline
*
* Outputs a <script> tag
*
* @access public
* @param string The element to attach the event to
* @param boolean If a CDATA section should be added
* @return string
*/
function inline($script, $cdata = TRUE)
{
$str = $this->_open_script();
$str .= ($cdata) ? "\n// <![CDATA[\n{$script}\n// ]]>\n" : "\n{$script}\n";
$str .= $this->_close_script();
return $str;
}
// --------------------------------------------------------------------
/**
* Open Script
*
* Outputs an opening <script>
*
* @access private
* @param string
* @return string
*/
function _open_script($src = '')
{
$str = '<script type="text/javascript" charset="'.strtolower($this->CI->config->item('charset')).'"';
$str .= ($src == '') ? '>' : ' src="'.$src.'">';
return $str;
}
// --------------------------------------------------------------------
/**
* Close Script
*
* Outputs an closing </script>
*
* @access private
* @param string
* @return string
*/
function _close_script($extra = "\n")
{
return "</script>$extra";
}
// --------------------------------------------------------------------
// --------------------------------------------------------------------
// AJAX-Y STUFF - still a testbed
// --------------------------------------------------------------------
// --------------------------------------------------------------------
/**
* Update
*
* Outputs a javascript library slideDown event
*
* @access public
* @param string - element
* @param string - One of 'slow', 'normal', 'fast', or time in milliseconds
* @param string - Javascript callback function
* @return string
*/
function update($element = 'this', $speed = '', $callback = '')
{
return $this->js->_updater($element, $speed, $callback);
}
// --------------------------------------------------------------------
/**
* Generate JSON
*
* Can be passed a database result or associative array and returns a JSON formatted string
*
* @param mixed result set or array
* @param bool match array types (defaults to objects)
* @return string a json formatted string
*/
function generate_json($result = NULL, $match_array_type = FALSE)
{
// JSON data can optionally be passed to this function
// either as a database result object or an array, or a user supplied array
if ( ! is_null($result))
{
if (is_object($result))
{
$json_result = $result->result_array();
}
elseif (is_array($result))
{
$json_result = $result;
}
else
{
return $this->_prep_args($result);
}
}
else
{
return 'null';
}
$json = array();
$_is_assoc = TRUE;
if ( ! is_array($json_result) AND empty($json_result))
{
show_error("Generate JSON Failed - Illegal key, value pair.");
}
elseif ($match_array_type)
{
$_is_assoc = $this->_is_associative_array($json_result);
}
foreach ($json_result as $k => $v)
{
if ($_is_assoc)
{
$json[] = $this->_prep_args($k, TRUE).':'.$this->generate_json($v, $match_array_type);
}
else
{
$json[] = $this->generate_json($v, $match_array_type);
}
}
$json = implode(',', $json);
return $_is_assoc ? "{".$json."}" : "[".$json."]";
}
// --------------------------------------------------------------------
/**
* Is associative array
*
* Checks for an associative array
*
* @access public
* @param type
* @return type
*/
function _is_associative_array($arr)
{
foreach (array_keys($arr) as $key => $val)
{
if ($key !== $val)
{
return TRUE;
}
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Prep Args
*
* Ensures a standard json value and escapes values
*
* @access public
* @param type
* @return type
*/
function _prep_args($result, $is_key = FALSE)
{
if (is_null($result))
{
return 'null';
}
elseif (is_bool($result))
{
return ($result === TRUE) ? 'true' : 'false';
}
elseif (is_string($result) OR $is_key)
{
return '"'.str_replace(array('\\', "\t", "\n", "\r", '"', '/'), array('\\\\', '\\t', '\\n', "\\r", '\"', '\/'), $result).'"';
}
elseif (is_scalar($result))
{
return $result;
}
}
// --------------------------------------------------------------------
}
// END Javascript Class
/* End of file Javascript.php */
/* Location: ./system/libraries/Javascript.php */ | 069h-course-management | trunk/ci/system/libraries/Javascript.php | PHP | mit | 20,117 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Image Manipulation class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Image_lib
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/image_lib.html
*/
class CI_Image_lib {
var $image_library = 'gd2'; // Can be: imagemagick, netpbm, gd, gd2
var $library_path = '';
var $dynamic_output = FALSE; // Whether to send to browser or write to disk
var $source_image = '';
var $new_image = '';
var $width = '';
var $height = '';
var $quality = '90';
var $create_thumb = FALSE;
var $thumb_marker = '_thumb';
var $maintain_ratio = TRUE; // Whether to maintain aspect ratio when resizing or use hard values
var $master_dim = 'auto'; // auto, height, or width. Determines what to use as the master dimension
var $rotation_angle = '';
var $x_axis = '';
var $y_axis = '';
// Watermark Vars
var $wm_text = ''; // Watermark text if graphic is not used
var $wm_type = 'text'; // Type of watermarking. Options: text/overlay
var $wm_x_transp = 4;
var $wm_y_transp = 4;
var $wm_overlay_path = ''; // Watermark image path
var $wm_font_path = ''; // TT font
var $wm_font_size = 17; // Font size (different versions of GD will either use points or pixels)
var $wm_vrt_alignment = 'B'; // Vertical alignment: T M B
var $wm_hor_alignment = 'C'; // Horizontal alignment: L R C
var $wm_padding = 0; // Padding around text
var $wm_hor_offset = 0; // Lets you push text to the right
var $wm_vrt_offset = 0; // Lets you push text down
var $wm_font_color = '#ffffff'; // Text color
var $wm_shadow_color = ''; // Dropshadow color
var $wm_shadow_distance = 2; // Dropshadow distance
var $wm_opacity = 50; // Image opacity: 1 - 100 Only works with image
// Private Vars
var $source_folder = '';
var $dest_folder = '';
var $mime_type = '';
var $orig_width = '';
var $orig_height = '';
var $image_type = '';
var $size_str = '';
var $full_src_path = '';
var $full_dst_path = '';
var $create_fnc = 'imagecreatetruecolor';
var $copy_fnc = 'imagecopyresampled';
var $error_msg = array();
var $wm_use_drop_shadow = FALSE;
var $wm_use_truetype = FALSE;
/**
* Constructor
*
* @param string
* @return void
*/
public function __construct($props = array())
{
if (count($props) > 0)
{
$this->initialize($props);
}
log_message('debug', "Image Lib Class Initialized");
}
// --------------------------------------------------------------------
/**
* Initialize image properties
*
* Resets values in case this class is used in a loop
*
* @access public
* @return void
*/
function clear()
{
$props = array('source_folder', 'dest_folder', 'source_image', 'full_src_path', 'full_dst_path', 'new_image', 'image_type', 'size_str', 'quality', 'orig_width', 'orig_height', 'width', 'height', 'rotation_angle', 'x_axis', 'y_axis', 'create_fnc', 'copy_fnc', 'wm_overlay_path', 'wm_use_truetype', 'dynamic_output', 'wm_font_size', 'wm_text', 'wm_vrt_alignment', 'wm_hor_alignment', 'wm_padding', 'wm_hor_offset', 'wm_vrt_offset', 'wm_font_color', 'wm_use_drop_shadow', 'wm_shadow_color', 'wm_shadow_distance', 'wm_opacity');
foreach ($props as $val)
{
$this->$val = '';
}
// special consideration for master_dim
$this->master_dim = 'auto';
}
// --------------------------------------------------------------------
/**
* initialize image preferences
*
* @access public
* @param array
* @return bool
*/
function initialize($props = array())
{
/*
* Convert array elements into class variables
*/
if (count($props) > 0)
{
foreach ($props as $key => $val)
{
$this->$key = $val;
}
}
/*
* Is there a source image?
*
* If not, there's no reason to continue
*
*/
if ($this->source_image == '')
{
$this->set_error('imglib_source_image_required');
return FALSE;
}
/*
* Is getimagesize() Available?
*
* We use it to determine the image properties (width/height).
* Note: We need to figure out how to determine image
* properties using ImageMagick and NetPBM
*
*/
if ( ! function_exists('getimagesize'))
{
$this->set_error('imglib_gd_required_for_props');
return FALSE;
}
$this->image_library = strtolower($this->image_library);
/*
* Set the full server path
*
* The source image may or may not contain a path.
* Either way, we'll try use realpath to generate the
* full server path in order to more reliably read it.
*
*/
if (function_exists('realpath') AND @realpath($this->source_image) !== FALSE)
{
$full_source_path = str_replace("\\", "/", realpath($this->source_image));
}
else
{
$full_source_path = $this->source_image;
}
$x = explode('/', $full_source_path);
$this->source_image = end($x);
$this->source_folder = str_replace($this->source_image, '', $full_source_path);
// Set the Image Properties
if ( ! $this->get_image_properties($this->source_folder.$this->source_image))
{
return FALSE;
}
/*
* Assign the "new" image name/path
*
* If the user has set a "new_image" name it means
* we are making a copy of the source image. If not
* it means we are altering the original. We'll
* set the destination filename and path accordingly.
*
*/
if ($this->new_image == '')
{
$this->dest_image = $this->source_image;
$this->dest_folder = $this->source_folder;
}
else
{
if (strpos($this->new_image, '/') === FALSE AND strpos($this->new_image, '\\') === FALSE)
{
$this->dest_folder = $this->source_folder;
$this->dest_image = $this->new_image;
}
else
{
if (function_exists('realpath') AND @realpath($this->new_image) !== FALSE)
{
$full_dest_path = str_replace("\\", "/", realpath($this->new_image));
}
else
{
$full_dest_path = $this->new_image;
}
// Is there a file name?
if ( ! preg_match("#\.(jpg|jpeg|gif|png)$#i", $full_dest_path))
{
$this->dest_folder = $full_dest_path.'/';
$this->dest_image = $this->source_image;
}
else
{
$x = explode('/', $full_dest_path);
$this->dest_image = end($x);
$this->dest_folder = str_replace($this->dest_image, '', $full_dest_path);
}
}
}
/*
* Compile the finalized filenames/paths
*
* We'll create two master strings containing the
* full server path to the source image and the
* full server path to the destination image.
* We'll also split the destination image name
* so we can insert the thumbnail marker if needed.
*
*/
if ($this->create_thumb === FALSE OR $this->thumb_marker == '')
{
$this->thumb_marker = '';
}
$xp = $this->explode_name($this->dest_image);
$filename = $xp['name'];
$file_ext = $xp['ext'];
$this->full_src_path = $this->source_folder.$this->source_image;
$this->full_dst_path = $this->dest_folder.$filename.$this->thumb_marker.$file_ext;
/*
* Should we maintain image proportions?
*
* When creating thumbs or copies, the target width/height
* might not be in correct proportion with the source
* image's width/height. We'll recalculate it here.
*
*/
if ($this->maintain_ratio === TRUE && ($this->width != '' AND $this->height != ''))
{
$this->image_reproportion();
}
/*
* Was a width and height specified?
*
* If the destination width/height was
* not submitted we will use the values
* from the actual file
*
*/
if ($this->width == '')
$this->width = $this->orig_width;
if ($this->height == '')
$this->height = $this->orig_height;
// Set the quality
$this->quality = trim(str_replace("%", "", $this->quality));
if ($this->quality == '' OR $this->quality == 0 OR ! is_numeric($this->quality))
$this->quality = 90;
// Set the x/y coordinates
$this->x_axis = ($this->x_axis == '' OR ! is_numeric($this->x_axis)) ? 0 : $this->x_axis;
$this->y_axis = ($this->y_axis == '' OR ! is_numeric($this->y_axis)) ? 0 : $this->y_axis;
// Watermark-related Stuff...
if ($this->wm_font_color != '')
{
if (strlen($this->wm_font_color) == 6)
{
$this->wm_font_color = '#'.$this->wm_font_color;
}
}
if ($this->wm_shadow_color != '')
{
if (strlen($this->wm_shadow_color) == 6)
{
$this->wm_shadow_color = '#'.$this->wm_shadow_color;
}
}
if ($this->wm_overlay_path != '')
{
$this->wm_overlay_path = str_replace("\\", "/", realpath($this->wm_overlay_path));
}
if ($this->wm_shadow_color != '')
{
$this->wm_use_drop_shadow = TRUE;
}
if ($this->wm_font_path != '')
{
$this->wm_use_truetype = TRUE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Image Resize
*
* This is a wrapper function that chooses the proper
* resize function based on the protocol specified
*
* @access public
* @return bool
*/
function resize()
{
$protocol = 'image_process_'.$this->image_library;
if (preg_match('/gd2$/i', $protocol))
{
$protocol = 'image_process_gd';
}
return $this->$protocol('resize');
}
// --------------------------------------------------------------------
/**
* Image Crop
*
* This is a wrapper function that chooses the proper
* cropping function based on the protocol specified
*
* @access public
* @return bool
*/
function crop()
{
$protocol = 'image_process_'.$this->image_library;
if (preg_match('/gd2$/i', $protocol))
{
$protocol = 'image_process_gd';
}
return $this->$protocol('crop');
}
// --------------------------------------------------------------------
/**
* Image Rotate
*
* This is a wrapper function that chooses the proper
* rotation function based on the protocol specified
*
* @access public
* @return bool
*/
function rotate()
{
// Allowed rotation values
$degs = array(90, 180, 270, 'vrt', 'hor');
if ($this->rotation_angle == '' OR ! in_array($this->rotation_angle, $degs))
{
$this->set_error('imglib_rotation_angle_required');
return FALSE;
}
// Reassign the width and height
if ($this->rotation_angle == 90 OR $this->rotation_angle == 270)
{
$this->width = $this->orig_height;
$this->height = $this->orig_width;
}
else
{
$this->width = $this->orig_width;
$this->height = $this->orig_height;
}
// Choose resizing function
if ($this->image_library == 'imagemagick' OR $this->image_library == 'netpbm')
{
$protocol = 'image_process_'.$this->image_library;
return $this->$protocol('rotate');
}
if ($this->rotation_angle == 'hor' OR $this->rotation_angle == 'vrt')
{
return $this->image_mirror_gd();
}
else
{
return $this->image_rotate_gd();
}
}
// --------------------------------------------------------------------
/**
* Image Process Using GD/GD2
*
* This function will resize or crop
*
* @access public
* @param string
* @return bool
*/
function image_process_gd($action = 'resize')
{
$v2_override = FALSE;
// If the target width/height match the source, AND if the new file name is not equal to the old file name
// we'll simply make a copy of the original with the new name... assuming dynamic rendering is off.
if ($this->dynamic_output === FALSE)
{
if ($this->orig_width == $this->width AND $this->orig_height == $this->height)
{
if ($this->source_image != $this->new_image)
{
if (@copy($this->full_src_path, $this->full_dst_path))
{
@chmod($this->full_dst_path, FILE_WRITE_MODE);
}
}
return TRUE;
}
}
// Let's set up our values based on the action
if ($action == 'crop')
{
// Reassign the source width/height if cropping
$this->orig_width = $this->width;
$this->orig_height = $this->height;
// GD 2.0 has a cropping bug so we'll test for it
if ($this->gd_version() !== FALSE)
{
$gd_version = str_replace('0', '', $this->gd_version());
$v2_override = ($gd_version == 2) ? TRUE : FALSE;
}
}
else
{
// If resizing the x/y axis must be zero
$this->x_axis = 0;
$this->y_axis = 0;
}
// Create the image handle
if ( ! ($src_img = $this->image_create_gd()))
{
return FALSE;
}
// Create The Image
//
// old conditional which users report cause problems with shared GD libs who report themselves as "2.0 or greater"
// it appears that this is no longer the issue that it was in 2004, so we've removed it, retaining it in the comment
// below should that ever prove inaccurate.
//
// if ($this->image_library == 'gd2' AND function_exists('imagecreatetruecolor') AND $v2_override == FALSE)
if ($this->image_library == 'gd2' AND function_exists('imagecreatetruecolor'))
{
$create = 'imagecreatetruecolor';
$copy = 'imagecopyresampled';
}
else
{
$create = 'imagecreate';
$copy = 'imagecopyresized';
}
$dst_img = $create($this->width, $this->height);
if ($this->image_type == 3) // png we can actually preserve transparency
{
imagealphablending($dst_img, FALSE);
imagesavealpha($dst_img, TRUE);
}
$copy($dst_img, $src_img, 0, 0, $this->x_axis, $this->y_axis, $this->width, $this->height, $this->orig_width, $this->orig_height);
// Show the image
if ($this->dynamic_output == TRUE)
{
$this->image_display_gd($dst_img);
}
else
{
// Or save it
if ( ! $this->image_save_gd($dst_img))
{
return FALSE;
}
}
// Kill the file handles
imagedestroy($dst_img);
imagedestroy($src_img);
// Set the file to 777
@chmod($this->full_dst_path, FILE_WRITE_MODE);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Image Process Using ImageMagick
*
* This function will resize, crop or rotate
*
* @access public
* @param string
* @return bool
*/
function image_process_imagemagick($action = 'resize')
{
// Do we have a vaild library path?
if ($this->library_path == '')
{
$this->set_error('imglib_libpath_invalid');
return FALSE;
}
if ( ! preg_match("/convert$/i", $this->library_path))
{
$this->library_path = rtrim($this->library_path, '/').'/';
$this->library_path .= 'convert';
}
// Execute the command
$cmd = $this->library_path." -quality ".$this->quality;
if ($action == 'crop')
{
$cmd .= " -crop ".$this->width."x".$this->height."+".$this->x_axis."+".$this->y_axis." \"$this->full_src_path\" \"$this->full_dst_path\" 2>&1";
}
elseif ($action == 'rotate')
{
switch ($this->rotation_angle)
{
case 'hor' : $angle = '-flop';
break;
case 'vrt' : $angle = '-flip';
break;
default : $angle = '-rotate '.$this->rotation_angle;
break;
}
$cmd .= " ".$angle." \"$this->full_src_path\" \"$this->full_dst_path\" 2>&1";
}
else // Resize
{
$cmd .= " -resize ".$this->width."x".$this->height." \"$this->full_src_path\" \"$this->full_dst_path\" 2>&1";
}
$retval = 1;
@exec($cmd, $output, $retval);
// Did it work?
if ($retval > 0)
{
$this->set_error('imglib_image_process_failed');
return FALSE;
}
// Set the file to 777
@chmod($this->full_dst_path, FILE_WRITE_MODE);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Image Process Using NetPBM
*
* This function will resize, crop or rotate
*
* @access public
* @param string
* @return bool
*/
function image_process_netpbm($action = 'resize')
{
if ($this->library_path == '')
{
$this->set_error('imglib_libpath_invalid');
return FALSE;
}
// Build the resizing command
switch ($this->image_type)
{
case 1 :
$cmd_in = 'giftopnm';
$cmd_out = 'ppmtogif';
break;
case 2 :
$cmd_in = 'jpegtopnm';
$cmd_out = 'ppmtojpeg';
break;
case 3 :
$cmd_in = 'pngtopnm';
$cmd_out = 'ppmtopng';
break;
}
if ($action == 'crop')
{
$cmd_inner = 'pnmcut -left '.$this->x_axis.' -top '.$this->y_axis.' -width '.$this->width.' -height '.$this->height;
}
elseif ($action == 'rotate')
{
switch ($this->rotation_angle)
{
case 90 : $angle = 'r270';
break;
case 180 : $angle = 'r180';
break;
case 270 : $angle = 'r90';
break;
case 'vrt' : $angle = 'tb';
break;
case 'hor' : $angle = 'lr';
break;
}
$cmd_inner = 'pnmflip -'.$angle.' ';
}
else // Resize
{
$cmd_inner = 'pnmscale -xysize '.$this->width.' '.$this->height;
}
$cmd = $this->library_path.$cmd_in.' '.$this->full_src_path.' | '.$cmd_inner.' | '.$cmd_out.' > '.$this->dest_folder.'netpbm.tmp';
$retval = 1;
@exec($cmd, $output, $retval);
// Did it work?
if ($retval > 0)
{
$this->set_error('imglib_image_process_failed');
return FALSE;
}
// With NetPBM we have to create a temporary image.
// If you try manipulating the original it fails so
// we have to rename the temp file.
copy ($this->dest_folder.'netpbm.tmp', $this->full_dst_path);
unlink ($this->dest_folder.'netpbm.tmp');
@chmod($this->full_dst_path, FILE_WRITE_MODE);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Image Rotate Using GD
*
* @access public
* @return bool
*/
function image_rotate_gd()
{
// Create the image handle
if ( ! ($src_img = $this->image_create_gd()))
{
return FALSE;
}
// Set the background color
// This won't work with transparent PNG files so we are
// going to have to figure out how to determine the color
// of the alpha channel in a future release.
$white = imagecolorallocate($src_img, 255, 255, 255);
// Rotate it!
$dst_img = imagerotate($src_img, $this->rotation_angle, $white);
// Save the Image
if ($this->dynamic_output == TRUE)
{
$this->image_display_gd($dst_img);
}
else
{
// Or save it
if ( ! $this->image_save_gd($dst_img))
{
return FALSE;
}
}
// Kill the file handles
imagedestroy($dst_img);
imagedestroy($src_img);
// Set the file to 777
@chmod($this->full_dst_path, FILE_WRITE_MODE);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Create Mirror Image using GD
*
* This function will flip horizontal or vertical
*
* @access public
* @return bool
*/
function image_mirror_gd()
{
if ( ! $src_img = $this->image_create_gd())
{
return FALSE;
}
$width = $this->orig_width;
$height = $this->orig_height;
if ($this->rotation_angle == 'hor')
{
for ($i = 0; $i < $height; $i++)
{
$left = 0;
$right = $width-1;
while ($left < $right)
{
$cl = imagecolorat($src_img, $left, $i);
$cr = imagecolorat($src_img, $right, $i);
imagesetpixel($src_img, $left, $i, $cr);
imagesetpixel($src_img, $right, $i, $cl);
$left++;
$right--;
}
}
}
else
{
for ($i = 0; $i < $width; $i++)
{
$top = 0;
$bot = $height-1;
while ($top < $bot)
{
$ct = imagecolorat($src_img, $i, $top);
$cb = imagecolorat($src_img, $i, $bot);
imagesetpixel($src_img, $i, $top, $cb);
imagesetpixel($src_img, $i, $bot, $ct);
$top++;
$bot--;
}
}
}
// Show the image
if ($this->dynamic_output == TRUE)
{
$this->image_display_gd($src_img);
}
else
{
// Or save it
if ( ! $this->image_save_gd($src_img))
{
return FALSE;
}
}
// Kill the file handles
imagedestroy($src_img);
// Set the file to 777
@chmod($this->full_dst_path, FILE_WRITE_MODE);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Image Watermark
*
* This is a wrapper function that chooses the type
* of watermarking based on the specified preference.
*
* @access public
* @param string
* @return bool
*/
function watermark()
{
if ($this->wm_type == 'overlay')
{
return $this->overlay_watermark();
}
else
{
return $this->text_watermark();
}
}
// --------------------------------------------------------------------
/**
* Watermark - Graphic Version
*
* @access public
* @return bool
*/
function overlay_watermark()
{
if ( ! function_exists('imagecolortransparent'))
{
$this->set_error('imglib_gd_required');
return FALSE;
}
// Fetch source image properties
$this->get_image_properties();
// Fetch watermark image properties
$props = $this->get_image_properties($this->wm_overlay_path, TRUE);
$wm_img_type = $props['image_type'];
$wm_width = $props['width'];
$wm_height = $props['height'];
// Create two image resources
$wm_img = $this->image_create_gd($this->wm_overlay_path, $wm_img_type);
$src_img = $this->image_create_gd($this->full_src_path);
// Reverse the offset if necessary
// When the image is positioned at the bottom
// we don't want the vertical offset to push it
// further down. We want the reverse, so we'll
// invert the offset. Same with the horizontal
// offset when the image is at the right
$this->wm_vrt_alignment = strtoupper(substr($this->wm_vrt_alignment, 0, 1));
$this->wm_hor_alignment = strtoupper(substr($this->wm_hor_alignment, 0, 1));
if ($this->wm_vrt_alignment == 'B')
$this->wm_vrt_offset = $this->wm_vrt_offset * -1;
if ($this->wm_hor_alignment == 'R')
$this->wm_hor_offset = $this->wm_hor_offset * -1;
// Set the base x and y axis values
$x_axis = $this->wm_hor_offset + $this->wm_padding;
$y_axis = $this->wm_vrt_offset + $this->wm_padding;
// Set the vertical position
switch ($this->wm_vrt_alignment)
{
case 'T':
break;
case 'M': $y_axis += ($this->orig_height / 2) - ($wm_height / 2);
break;
case 'B': $y_axis += $this->orig_height - $wm_height;
break;
}
// Set the horizontal position
switch ($this->wm_hor_alignment)
{
case 'L':
break;
case 'C': $x_axis += ($this->orig_width / 2) - ($wm_width / 2);
break;
case 'R': $x_axis += $this->orig_width - $wm_width;
break;
}
// Build the finalized image
if ($wm_img_type == 3 AND function_exists('imagealphablending'))
{
@imagealphablending($src_img, TRUE);
}
// Set RGB values for text and shadow
$rgba = imagecolorat($wm_img, $this->wm_x_transp, $this->wm_y_transp);
$alpha = ($rgba & 0x7F000000) >> 24;
// make a best guess as to whether we're dealing with an image with alpha transparency or no/binary transparency
if ($alpha > 0)
{
// copy the image directly, the image's alpha transparency being the sole determinant of blending
imagecopy($src_img, $wm_img, $x_axis, $y_axis, 0, 0, $wm_width, $wm_height);
}
else
{
// set our RGB value from above to be transparent and merge the images with the specified opacity
imagecolortransparent($wm_img, imagecolorat($wm_img, $this->wm_x_transp, $this->wm_y_transp));
imagecopymerge($src_img, $wm_img, $x_axis, $y_axis, 0, 0, $wm_width, $wm_height, $this->wm_opacity);
}
// Output the image
if ($this->dynamic_output == TRUE)
{
$this->image_display_gd($src_img);
}
else
{
if ( ! $this->image_save_gd($src_img))
{
return FALSE;
}
}
imagedestroy($src_img);
imagedestroy($wm_img);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Watermark - Text Version
*
* @access public
* @return bool
*/
function text_watermark()
{
if ( ! ($src_img = $this->image_create_gd()))
{
return FALSE;
}
if ($this->wm_use_truetype == TRUE AND ! file_exists($this->wm_font_path))
{
$this->set_error('imglib_missing_font');
return FALSE;
}
// Fetch source image properties
$this->get_image_properties();
// Set RGB values for text and shadow
$this->wm_font_color = str_replace('#', '', $this->wm_font_color);
$this->wm_shadow_color = str_replace('#', '', $this->wm_shadow_color);
$R1 = hexdec(substr($this->wm_font_color, 0, 2));
$G1 = hexdec(substr($this->wm_font_color, 2, 2));
$B1 = hexdec(substr($this->wm_font_color, 4, 2));
$R2 = hexdec(substr($this->wm_shadow_color, 0, 2));
$G2 = hexdec(substr($this->wm_shadow_color, 2, 2));
$B2 = hexdec(substr($this->wm_shadow_color, 4, 2));
$txt_color = imagecolorclosest($src_img, $R1, $G1, $B1);
$drp_color = imagecolorclosest($src_img, $R2, $G2, $B2);
// Reverse the vertical offset
// When the image is positioned at the bottom
// we don't want the vertical offset to push it
// further down. We want the reverse, so we'll
// invert the offset. Note: The horizontal
// offset flips itself automatically
if ($this->wm_vrt_alignment == 'B')
$this->wm_vrt_offset = $this->wm_vrt_offset * -1;
if ($this->wm_hor_alignment == 'R')
$this->wm_hor_offset = $this->wm_hor_offset * -1;
// Set font width and height
// These are calculated differently depending on
// whether we are using the true type font or not
if ($this->wm_use_truetype == TRUE)
{
if ($this->wm_font_size == '')
$this->wm_font_size = '17';
$fontwidth = $this->wm_font_size-($this->wm_font_size/4);
$fontheight = $this->wm_font_size;
$this->wm_vrt_offset += $this->wm_font_size;
}
else
{
$fontwidth = imagefontwidth($this->wm_font_size);
$fontheight = imagefontheight($this->wm_font_size);
}
// Set base X and Y axis values
$x_axis = $this->wm_hor_offset + $this->wm_padding;
$y_axis = $this->wm_vrt_offset + $this->wm_padding;
// Set verticle alignment
if ($this->wm_use_drop_shadow == FALSE)
$this->wm_shadow_distance = 0;
$this->wm_vrt_alignment = strtoupper(substr($this->wm_vrt_alignment, 0, 1));
$this->wm_hor_alignment = strtoupper(substr($this->wm_hor_alignment, 0, 1));
switch ($this->wm_vrt_alignment)
{
case "T" :
break;
case "M": $y_axis += ($this->orig_height/2)+($fontheight/2);
break;
case "B": $y_axis += ($this->orig_height - $fontheight - $this->wm_shadow_distance - ($fontheight/2));
break;
}
$x_shad = $x_axis + $this->wm_shadow_distance;
$y_shad = $y_axis + $this->wm_shadow_distance;
// Set horizontal alignment
switch ($this->wm_hor_alignment)
{
case "L":
break;
case "R":
if ($this->wm_use_drop_shadow)
$x_shad += ($this->orig_width - $fontwidth*strlen($this->wm_text));
$x_axis += ($this->orig_width - $fontwidth*strlen($this->wm_text));
break;
case "C":
if ($this->wm_use_drop_shadow)
$x_shad += floor(($this->orig_width - $fontwidth*strlen($this->wm_text))/2);
$x_axis += floor(($this->orig_width -$fontwidth*strlen($this->wm_text))/2);
break;
}
// Add the text to the source image
if ($this->wm_use_truetype)
{
if ($this->wm_use_drop_shadow)
imagettftext($src_img, $this->wm_font_size, 0, $x_shad, $y_shad, $drp_color, $this->wm_font_path, $this->wm_text);
imagettftext($src_img, $this->wm_font_size, 0, $x_axis, $y_axis, $txt_color, $this->wm_font_path, $this->wm_text);
}
else
{
if ($this->wm_use_drop_shadow)
imagestring($src_img, $this->wm_font_size, $x_shad, $y_shad, $this->wm_text, $drp_color);
imagestring($src_img, $this->wm_font_size, $x_axis, $y_axis, $this->wm_text, $txt_color);
}
// Output the final image
if ($this->dynamic_output == TRUE)
{
$this->image_display_gd($src_img);
}
else
{
$this->image_save_gd($src_img);
}
imagedestroy($src_img);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Create Image - GD
*
* This simply creates an image resource handle
* based on the type of image being processed
*
* @access public
* @param string
* @return resource
*/
function image_create_gd($path = '', $image_type = '')
{
if ($path == '')
$path = $this->full_src_path;
if ($image_type == '')
$image_type = $this->image_type;
switch ($image_type)
{
case 1 :
if ( ! function_exists('imagecreatefromgif'))
{
$this->set_error(array('imglib_unsupported_imagecreate', 'imglib_gif_not_supported'));
return FALSE;
}
return imagecreatefromgif($path);
break;
case 2 :
if ( ! function_exists('imagecreatefromjpeg'))
{
$this->set_error(array('imglib_unsupported_imagecreate', 'imglib_jpg_not_supported'));
return FALSE;
}
return imagecreatefromjpeg($path);
break;
case 3 :
if ( ! function_exists('imagecreatefrompng'))
{
$this->set_error(array('imglib_unsupported_imagecreate', 'imglib_png_not_supported'));
return FALSE;
}
return imagecreatefrompng($path);
break;
}
$this->set_error(array('imglib_unsupported_imagecreate'));
return FALSE;
}
// --------------------------------------------------------------------
/**
* Write image file to disk - GD
*
* Takes an image resource as input and writes the file
* to the specified destination
*
* @access public
* @param resource
* @return bool
*/
function image_save_gd($resource)
{
switch ($this->image_type)
{
case 1 :
if ( ! function_exists('imagegif'))
{
$this->set_error(array('imglib_unsupported_imagecreate', 'imglib_gif_not_supported'));
return FALSE;
}
if ( ! @imagegif($resource, $this->full_dst_path))
{
$this->set_error('imglib_save_failed');
return FALSE;
}
break;
case 2 :
if ( ! function_exists('imagejpeg'))
{
$this->set_error(array('imglib_unsupported_imagecreate', 'imglib_jpg_not_supported'));
return FALSE;
}
if ( ! @imagejpeg($resource, $this->full_dst_path, $this->quality))
{
$this->set_error('imglib_save_failed');
return FALSE;
}
break;
case 3 :
if ( ! function_exists('imagepng'))
{
$this->set_error(array('imglib_unsupported_imagecreate', 'imglib_png_not_supported'));
return FALSE;
}
if ( ! @imagepng($resource, $this->full_dst_path))
{
$this->set_error('imglib_save_failed');
return FALSE;
}
break;
default :
$this->set_error(array('imglib_unsupported_imagecreate'));
return FALSE;
break;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Dynamically outputs an image
*
* @access public
* @param resource
* @return void
*/
function image_display_gd($resource)
{
header("Content-Disposition: filename={$this->source_image};");
header("Content-Type: {$this->mime_type}");
header('Content-Transfer-Encoding: binary');
header('Last-Modified: '.gmdate('D, d M Y H:i:s', time()).' GMT');
switch ($this->image_type)
{
case 1 : imagegif($resource);
break;
case 2 : imagejpeg($resource, '', $this->quality);
break;
case 3 : imagepng($resource);
break;
default : echo 'Unable to display the image';
break;
}
}
// --------------------------------------------------------------------
/**
* Re-proportion Image Width/Height
*
* When creating thumbs, the desired width/height
* can end up warping the image due to an incorrect
* ratio between the full-sized image and the thumb.
*
* This function lets us re-proportion the width/height
* if users choose to maintain the aspect ratio when resizing.
*
* @access public
* @return void
*/
function image_reproportion()
{
if ( ! is_numeric($this->width) OR ! is_numeric($this->height) OR $this->width == 0 OR $this->height == 0)
return;
if ( ! is_numeric($this->orig_width) OR ! is_numeric($this->orig_height) OR $this->orig_width == 0 OR $this->orig_height == 0)
return;
$new_width = ceil($this->orig_width*$this->height/$this->orig_height);
$new_height = ceil($this->width*$this->orig_height/$this->orig_width);
$ratio = (($this->orig_height/$this->orig_width) - ($this->height/$this->width));
if ($this->master_dim != 'width' AND $this->master_dim != 'height')
{
$this->master_dim = ($ratio < 0) ? 'width' : 'height';
}
if (($this->width != $new_width) AND ($this->height != $new_height))
{
if ($this->master_dim == 'height')
{
$this->width = $new_width;
}
else
{
$this->height = $new_height;
}
}
}
// --------------------------------------------------------------------
/**
* Get image properties
*
* A helper function that gets info about the file
*
* @access public
* @param string
* @return mixed
*/
function get_image_properties($path = '', $return = FALSE)
{
// For now we require GD but we should
// find a way to determine this using IM or NetPBM
if ($path == '')
$path = $this->full_src_path;
if ( ! file_exists($path))
{
$this->set_error('imglib_invalid_path');
return FALSE;
}
$vals = @getimagesize($path);
$types = array(1 => 'gif', 2 => 'jpeg', 3 => 'png');
$mime = (isset($types[$vals['2']])) ? 'image/'.$types[$vals['2']] : 'image/jpg';
if ($return == TRUE)
{
$v['width'] = $vals['0'];
$v['height'] = $vals['1'];
$v['image_type'] = $vals['2'];
$v['size_str'] = $vals['3'];
$v['mime_type'] = $mime;
return $v;
}
$this->orig_width = $vals['0'];
$this->orig_height = $vals['1'];
$this->image_type = $vals['2'];
$this->size_str = $vals['3'];
$this->mime_type = $mime;
return TRUE;
}
// --------------------------------------------------------------------
/**
* Size calculator
*
* This function takes a known width x height and
* recalculates it to a new size. Only one
* new variable needs to be known
*
* $props = array(
* 'width' => $width,
* 'height' => $height,
* 'new_width' => 40,
* 'new_height' => ''
* );
*
* @access public
* @param array
* @return array
*/
function size_calculator($vals)
{
if ( ! is_array($vals))
{
return;
}
$allowed = array('new_width', 'new_height', 'width', 'height');
foreach ($allowed as $item)
{
if ( ! isset($vals[$item]) OR $vals[$item] == '')
$vals[$item] = 0;
}
if ($vals['width'] == 0 OR $vals['height'] == 0)
{
return $vals;
}
if ($vals['new_width'] == 0)
{
$vals['new_width'] = ceil($vals['width']*$vals['new_height']/$vals['height']);
}
elseif ($vals['new_height'] == 0)
{
$vals['new_height'] = ceil($vals['new_width']*$vals['height']/$vals['width']);
}
return $vals;
}
// --------------------------------------------------------------------
/**
* Explode source_image
*
* This is a helper function that extracts the extension
* from the source_image. This function lets us deal with
* source_images with multiple periods, like: my.cool.jpg
* It returns an associative array with two elements:
* $array['ext'] = '.jpg';
* $array['name'] = 'my.cool';
*
* @access public
* @param array
* @return array
*/
function explode_name($source_image)
{
$ext = strrchr($source_image, '.');
$name = ($ext === FALSE) ? $source_image : substr($source_image, 0, -strlen($ext));
return array('ext' => $ext, 'name' => $name);
}
// --------------------------------------------------------------------
/**
* Is GD Installed?
*
* @access public
* @return bool
*/
function gd_loaded()
{
if ( ! extension_loaded('gd'))
{
if ( ! dl('gd.so'))
{
return FALSE;
}
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Get GD version
*
* @access public
* @return mixed
*/
function gd_version()
{
if (function_exists('gd_info'))
{
$gd_version = @gd_info();
$gd_version = preg_replace("/\D/", "", $gd_version['GD Version']);
return $gd_version;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Set error message
*
* @access public
* @param string
* @return void
*/
function set_error($msg)
{
$CI =& get_instance();
$CI->lang->load('imglib');
if (is_array($msg))
{
foreach ($msg as $val)
{
$msg = ($CI->lang->line($val) == FALSE) ? $val : $CI->lang->line($val);
$this->error_msg[] = $msg;
log_message('error', $msg);
}
}
else
{
$msg = ($CI->lang->line($msg) == FALSE) ? $msg : $CI->lang->line($msg);
$this->error_msg[] = $msg;
log_message('error', $msg);
}
}
// --------------------------------------------------------------------
/**
* Show error messages
*
* @access public
* @param string
* @return string
*/
function display_errors($open = '<p>', $close = '</p>')
{
$str = '';
foreach ($this->error_msg as $val)
{
$str .= $open.$val.$close;
}
return $str;
}
}
// END Image_lib Class
/* End of file Image_lib.php */
/* Location: ./system/libraries/Image_lib.php */ | 069h-course-management | trunk/ci/system/libraries/Image_lib.php | PHP | mit | 37,341 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
if ( ! function_exists('xml_parser_create'))
{
show_error('Your PHP installation does not support XML');
}
// ------------------------------------------------------------------------
/**
* XML-RPC request handler class
*
* @package CodeIgniter
* @subpackage Libraries
* @category XML-RPC
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class CI_Xmlrpc {
var $debug = FALSE; // Debugging on or off
var $xmlrpcI4 = 'i4';
var $xmlrpcInt = 'int';
var $xmlrpcBoolean = 'boolean';
var $xmlrpcDouble = 'double';
var $xmlrpcString = 'string';
var $xmlrpcDateTime = 'dateTime.iso8601';
var $xmlrpcBase64 = 'base64';
var $xmlrpcArray = 'array';
var $xmlrpcStruct = 'struct';
var $xmlrpcTypes = array();
var $valid_parents = array();
var $xmlrpcerr = array(); // Response numbers
var $xmlrpcstr = array(); // Response strings
var $xmlrpc_defencoding = 'UTF-8';
var $xmlrpcName = 'XML-RPC for CodeIgniter';
var $xmlrpcVersion = '1.1';
var $xmlrpcerruser = 800; // Start of user errors
var $xmlrpcerrxml = 100; // Start of XML Parse errors
var $xmlrpc_backslash = ''; // formulate backslashes for escaping regexp
var $client;
var $method;
var $data;
var $message = '';
var $error = ''; // Error string for request
var $result;
var $response = array(); // Response from remote server
var $xss_clean = TRUE;
//-------------------------------------
// VALUES THAT MULTIPLE CLASSES NEED
//-------------------------------------
public function __construct($config = array())
{
$this->xmlrpcName = $this->xmlrpcName;
$this->xmlrpc_backslash = chr(92).chr(92);
// Types for info sent back and forth
$this->xmlrpcTypes = array(
$this->xmlrpcI4 => '1',
$this->xmlrpcInt => '1',
$this->xmlrpcBoolean => '1',
$this->xmlrpcString => '1',
$this->xmlrpcDouble => '1',
$this->xmlrpcDateTime => '1',
$this->xmlrpcBase64 => '1',
$this->xmlrpcArray => '2',
$this->xmlrpcStruct => '3'
);
// Array of Valid Parents for Various XML-RPC elements
$this->valid_parents = array('BOOLEAN' => array('VALUE'),
'I4' => array('VALUE'),
'INT' => array('VALUE'),
'STRING' => array('VALUE'),
'DOUBLE' => array('VALUE'),
'DATETIME.ISO8601' => array('VALUE'),
'BASE64' => array('VALUE'),
'ARRAY' => array('VALUE'),
'STRUCT' => array('VALUE'),
'PARAM' => array('PARAMS'),
'METHODNAME' => array('METHODCALL'),
'PARAMS' => array('METHODCALL', 'METHODRESPONSE'),
'MEMBER' => array('STRUCT'),
'NAME' => array('MEMBER'),
'DATA' => array('ARRAY'),
'FAULT' => array('METHODRESPONSE'),
'VALUE' => array('MEMBER', 'DATA', 'PARAM', 'FAULT')
);
// XML-RPC Responses
$this->xmlrpcerr['unknown_method'] = '1';
$this->xmlrpcstr['unknown_method'] = 'This is not a known method for this XML-RPC Server';
$this->xmlrpcerr['invalid_return'] = '2';
$this->xmlrpcstr['invalid_return'] = 'The XML data received was either invalid or not in the correct form for XML-RPC. Turn on debugging to examine the XML data further.';
$this->xmlrpcerr['incorrect_params'] = '3';
$this->xmlrpcstr['incorrect_params'] = 'Incorrect parameters were passed to method';
$this->xmlrpcerr['introspect_unknown'] = '4';
$this->xmlrpcstr['introspect_unknown'] = "Cannot inspect signature for request: method unknown";
$this->xmlrpcerr['http_error'] = '5';
$this->xmlrpcstr['http_error'] = "Did not receive a '200 OK' response from remote server.";
$this->xmlrpcerr['no_data'] = '6';
$this->xmlrpcstr['no_data'] ='No data received from server.';
$this->initialize($config);
log_message('debug', "XML-RPC Class Initialized");
}
//-------------------------------------
// Initialize Prefs
//-------------------------------------
function initialize($config = array())
{
if (count($config) > 0)
{
foreach ($config as $key => $val)
{
if (isset($this->$key))
{
$this->$key = $val;
}
}
}
}
// END
//-------------------------------------
// Take URL and parse it
//-------------------------------------
function server($url, $port=80)
{
if (substr($url, 0, 4) != "http")
{
$url = "http://".$url;
}
$parts = parse_url($url);
$path = ( ! isset($parts['path'])) ? '/' : $parts['path'];
if (isset($parts['query']) && $parts['query'] != '')
{
$path .= '?'.$parts['query'];
}
$this->client = new XML_RPC_Client($path, $parts['host'], $port);
}
// END
//-------------------------------------
// Set Timeout
//-------------------------------------
function timeout($seconds=5)
{
if ( ! is_null($this->client) && is_int($seconds))
{
$this->client->timeout = $seconds;
}
}
// END
//-------------------------------------
// Set Methods
//-------------------------------------
function method($function)
{
$this->method = $function;
}
// END
//-------------------------------------
// Take Array of Data and Create Objects
//-------------------------------------
function request($incoming)
{
if ( ! is_array($incoming))
{
// Send Error
}
$this->data = array();
foreach ($incoming as $key => $value)
{
$this->data[$key] = $this->values_parsing($value);
}
}
// END
//-------------------------------------
// Set Debug
//-------------------------------------
function set_debug($flag = TRUE)
{
$this->debug = ($flag == TRUE) ? TRUE : FALSE;
}
//-------------------------------------
// Values Parsing
//-------------------------------------
function values_parsing($value, $return = FALSE)
{
if (is_array($value) && array_key_exists(0, $value))
{
if ( ! isset($value['1']) OR ( ! isset($this->xmlrpcTypes[$value['1']])))
{
if (is_array($value[0]))
{
$temp = new XML_RPC_Values($value['0'], 'array');
}
else
{
$temp = new XML_RPC_Values($value['0'], 'string');
}
}
elseif (is_array($value['0']) && ($value['1'] == 'struct' OR $value['1'] == 'array'))
{
while (list($k) = each($value['0']))
{
$value['0'][$k] = $this->values_parsing($value['0'][$k], TRUE);
}
$temp = new XML_RPC_Values($value['0'], $value['1']);
}
else
{
$temp = new XML_RPC_Values($value['0'], $value['1']);
}
}
else
{
$temp = new XML_RPC_Values($value, 'string');
}
return $temp;
}
// END
//-------------------------------------
// Sends XML-RPC Request
//-------------------------------------
function send_request()
{
$this->message = new XML_RPC_Message($this->method,$this->data);
$this->message->debug = $this->debug;
if ( ! $this->result = $this->client->send($this->message))
{
$this->error = $this->result->errstr;
return FALSE;
}
elseif ( ! is_object($this->result->val))
{
$this->error = $this->result->errstr;
return FALSE;
}
$this->response = $this->result->decode();
return TRUE;
}
// END
//-------------------------------------
// Returns Error
//-------------------------------------
function display_error()
{
return $this->error;
}
// END
//-------------------------------------
// Returns Remote Server Response
//-------------------------------------
function display_response()
{
return $this->response;
}
// END
//-------------------------------------
// Sends an Error Message for Server Request
//-------------------------------------
function send_error_message($number, $message)
{
return new XML_RPC_Response('0',$number, $message);
}
// END
//-------------------------------------
// Send Response for Server Request
//-------------------------------------
function send_response($response)
{
// $response should be array of values, which will be parsed
// based on their data and type into a valid group of XML-RPC values
$response = $this->values_parsing($response);
return new XML_RPC_Response($response);
}
// END
} // END XML_RPC Class
/**
* XML-RPC Client class
*
* @category XML-RPC
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class XML_RPC_Client extends CI_Xmlrpc
{
var $path = '';
var $server = '';
var $port = 80;
var $errno = '';
var $errstring = '';
var $timeout = 5;
var $no_multicall = FALSE;
public function __construct($path, $server, $port=80)
{
parent::__construct();
$this->port = $port;
$this->server = $server;
$this->path = $path;
}
function send($msg)
{
if (is_array($msg))
{
// Multi-call disabled
$r = new XML_RPC_Response(0, $this->xmlrpcerr['multicall_recursion'],$this->xmlrpcstr['multicall_recursion']);
return $r;
}
return $this->sendPayload($msg);
}
function sendPayload($msg)
{
$fp = @fsockopen($this->server, $this->port,$this->errno, $this->errstr, $this->timeout);
if ( ! is_resource($fp))
{
error_log($this->xmlrpcstr['http_error']);
$r = new XML_RPC_Response(0, $this->xmlrpcerr['http_error'],$this->xmlrpcstr['http_error']);
return $r;
}
if (empty($msg->payload))
{
// $msg = XML_RPC_Messages
$msg->createPayload();
}
$r = "\r\n";
$op = "POST {$this->path} HTTP/1.0$r";
$op .= "Host: {$this->server}$r";
$op .= "Content-Type: text/xml$r";
$op .= "User-Agent: {$this->xmlrpcName}$r";
$op .= "Content-Length: ".strlen($msg->payload). "$r$r";
$op .= $msg->payload;
if ( ! fputs($fp, $op, strlen($op)))
{
error_log($this->xmlrpcstr['http_error']);
$r = new XML_RPC_Response(0, $this->xmlrpcerr['http_error'], $this->xmlrpcstr['http_error']);
return $r;
}
$resp = $msg->parseResponse($fp);
fclose($fp);
return $resp;
}
} // end class XML_RPC_Client
/**
* XML-RPC Response class
*
* @category XML-RPC
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class XML_RPC_Response
{
var $val = 0;
var $errno = 0;
var $errstr = '';
var $headers = array();
var $xss_clean = TRUE;
public function __construct($val, $code = 0, $fstr = '')
{
if ($code != 0)
{
// error
$this->errno = $code;
$this->errstr = htmlentities($fstr);
}
else if ( ! is_object($val))
{
// programmer error, not an object
error_log("Invalid type '" . gettype($val) . "' (value: $val) passed to XML_RPC_Response. Defaulting to empty value.");
$this->val = new XML_RPC_Values();
}
else
{
$this->val = $val;
}
}
function faultCode()
{
return $this->errno;
}
function faultString()
{
return $this->errstr;
}
function value()
{
return $this->val;
}
function prepare_response()
{
$result = "<methodResponse>\n";
if ($this->errno)
{
$result .= '<fault>
<value>
<struct>
<member>
<name>faultCode</name>
<value><int>' . $this->errno . '</int></value>
</member>
<member>
<name>faultString</name>
<value><string>' . $this->errstr . '</string></value>
</member>
</struct>
</value>
</fault>';
}
else
{
$result .= "<params>\n<param>\n" .
$this->val->serialize_class() .
"</param>\n</params>";
}
$result .= "\n</methodResponse>";
return $result;
}
function decode($array=FALSE)
{
$CI =& get_instance();
if ($array !== FALSE && is_array($array))
{
while (list($key) = each($array))
{
if (is_array($array[$key]))
{
$array[$key] = $this->decode($array[$key]);
}
else
{
$array[$key] = ($this->xss_clean) ? $CI->security->xss_clean($array[$key]) : $array[$key];
}
}
$result = $array;
}
else
{
$result = $this->xmlrpc_decoder($this->val);
if (is_array($result))
{
$result = $this->decode($result);
}
else
{
$result = ($this->xss_clean) ? $CI->security->xss_clean($result) : $result;
}
}
return $result;
}
//-------------------------------------
// XML-RPC Object to PHP Types
//-------------------------------------
function xmlrpc_decoder($xmlrpc_val)
{
$kind = $xmlrpc_val->kindOf();
if ($kind == 'scalar')
{
return $xmlrpc_val->scalarval();
}
elseif ($kind == 'array')
{
reset($xmlrpc_val->me);
list($a,$b) = each($xmlrpc_val->me);
$size = count($b);
$arr = array();
for ($i = 0; $i < $size; $i++)
{
$arr[] = $this->xmlrpc_decoder($xmlrpc_val->me['array'][$i]);
}
return $arr;
}
elseif ($kind == 'struct')
{
reset($xmlrpc_val->me['struct']);
$arr = array();
while (list($key,$value) = each($xmlrpc_val->me['struct']))
{
$arr[$key] = $this->xmlrpc_decoder($value);
}
return $arr;
}
}
//-------------------------------------
// ISO-8601 time to server or UTC time
//-------------------------------------
function iso8601_decode($time, $utc=0)
{
// return a timet in the localtime, or UTC
$t = 0;
if (preg_match('/([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})/', $time, $regs))
{
$fnc = ($utc == 1) ? 'gmmktime' : 'mktime';
$t = $fnc($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
}
return $t;
}
} // End Response Class
/**
* XML-RPC Message class
*
* @category XML-RPC
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class XML_RPC_Message extends CI_Xmlrpc
{
var $payload;
var $method_name;
var $params = array();
var $xh = array();
public function __construct($method, $pars=0)
{
parent::__construct();
$this->method_name = $method;
if (is_array($pars) && count($pars) > 0)
{
for ($i=0; $i<count($pars); $i++)
{
// $pars[$i] = XML_RPC_Values
$this->params[] = $pars[$i];
}
}
}
//-------------------------------------
// Create Payload to Send
//-------------------------------------
function createPayload()
{
$this->payload = "<?xml version=\"1.0\"?".">\r\n<methodCall>\r\n";
$this->payload .= '<methodName>' . $this->method_name . "</methodName>\r\n";
$this->payload .= "<params>\r\n";
for ($i=0; $i<count($this->params); $i++)
{
// $p = XML_RPC_Values
$p = $this->params[$i];
$this->payload .= "<param>\r\n".$p->serialize_class()."</param>\r\n";
}
$this->payload .= "</params>\r\n</methodCall>\r\n";
}
//-------------------------------------
// Parse External XML-RPC Server's Response
//-------------------------------------
function parseResponse($fp)
{
$data = '';
while ($datum = fread($fp, 4096))
{
$data .= $datum;
}
//-------------------------------------
// DISPLAY HTTP CONTENT for DEBUGGING
//-------------------------------------
if ($this->debug === TRUE)
{
echo "<pre>";
echo "---DATA---\n" . htmlspecialchars($data) . "\n---END DATA---\n\n";
echo "</pre>";
}
//-------------------------------------
// Check for data
//-------------------------------------
if ($data == "")
{
error_log($this->xmlrpcstr['no_data']);
$r = new XML_RPC_Response(0, $this->xmlrpcerr['no_data'], $this->xmlrpcstr['no_data']);
return $r;
}
//-------------------------------------
// Check for HTTP 200 Response
//-------------------------------------
if (strncmp($data, 'HTTP', 4) == 0 && ! preg_match('/^HTTP\/[0-9\.]+ 200 /', $data))
{
$errstr= substr($data, 0, strpos($data, "\n")-1);
$r = new XML_RPC_Response(0, $this->xmlrpcerr['http_error'], $this->xmlrpcstr['http_error']. ' (' . $errstr . ')');
return $r;
}
//-------------------------------------
// Create and Set Up XML Parser
//-------------------------------------
$parser = xml_parser_create($this->xmlrpc_defencoding);
$this->xh[$parser] = array();
$this->xh[$parser]['isf'] = 0;
$this->xh[$parser]['ac'] = '';
$this->xh[$parser]['headers'] = array();
$this->xh[$parser]['stack'] = array();
$this->xh[$parser]['valuestack'] = array();
$this->xh[$parser]['isf_reason'] = 0;
xml_set_object($parser, $this);
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
xml_set_element_handler($parser, 'open_tag', 'closing_tag');
xml_set_character_data_handler($parser, 'character_data');
//xml_set_default_handler($parser, 'default_handler');
//-------------------------------------
// GET HEADERS
//-------------------------------------
$lines = explode("\r\n", $data);
while (($line = array_shift($lines)))
{
if (strlen($line) < 1)
{
break;
}
$this->xh[$parser]['headers'][] = $line;
}
$data = implode("\r\n", $lines);
//-------------------------------------
// PARSE XML DATA
//-------------------------------------
if ( ! xml_parse($parser, $data, count($data)))
{
$errstr = sprintf('XML error: %s at line %d',
xml_error_string(xml_get_error_code($parser)),
xml_get_current_line_number($parser));
//error_log($errstr);
$r = new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'], $this->xmlrpcstr['invalid_return']);
xml_parser_free($parser);
return $r;
}
xml_parser_free($parser);
// ---------------------------------------
// Got Ourselves Some Badness, It Seems
// ---------------------------------------
if ($this->xh[$parser]['isf'] > 1)
{
if ($this->debug === TRUE)
{
echo "---Invalid Return---\n";
echo $this->xh[$parser]['isf_reason'];
echo "---Invalid Return---\n\n";
}
$r = new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'],$this->xmlrpcstr['invalid_return'].' '.$this->xh[$parser]['isf_reason']);
return $r;
}
elseif ( ! is_object($this->xh[$parser]['value']))
{
$r = new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'],$this->xmlrpcstr['invalid_return'].' '.$this->xh[$parser]['isf_reason']);
return $r;
}
//-------------------------------------
// DISPLAY XML CONTENT for DEBUGGING
//-------------------------------------
if ($this->debug === TRUE)
{
echo "<pre>";
if (count($this->xh[$parser]['headers'] > 0))
{
echo "---HEADERS---\n";
foreach ($this->xh[$parser]['headers'] as $header)
{
echo "$header\n";
}
echo "---END HEADERS---\n\n";
}
echo "---DATA---\n" . htmlspecialchars($data) . "\n---END DATA---\n\n";
echo "---PARSED---\n" ;
var_dump($this->xh[$parser]['value']);
echo "\n---END PARSED---</pre>";
}
//-------------------------------------
// SEND RESPONSE
//-------------------------------------
$v = $this->xh[$parser]['value'];
if ($this->xh[$parser]['isf'])
{
$errno_v = $v->me['struct']['faultCode'];
$errstr_v = $v->me['struct']['faultString'];
$errno = $errno_v->scalarval();
if ($errno == 0)
{
// FAULT returned, errno needs to reflect that
$errno = -1;
}
$r = new XML_RPC_Response($v, $errno, $errstr_v->scalarval());
}
else
{
$r = new XML_RPC_Response($v);
}
$r->headers = $this->xh[$parser]['headers'];
return $r;
}
// ------------------------------------
// Begin Return Message Parsing section
// ------------------------------------
// quick explanation of components:
// ac - used to accumulate values
// isf - used to indicate a fault
// lv - used to indicate "looking for a value": implements
// the logic to allow values with no types to be strings
// params - used to store parameters in method calls
// method - used to store method name
// stack - array with parent tree of the xml element,
// used to validate the nesting of elements
//-------------------------------------
// Start Element Handler
//-------------------------------------
function open_tag($the_parser, $name, $attrs)
{
// If invalid nesting, then return
if ($this->xh[$the_parser]['isf'] > 1) return;
// Evaluate and check for correct nesting of XML elements
if (count($this->xh[$the_parser]['stack']) == 0)
{
if ($name != 'METHODRESPONSE' && $name != 'METHODCALL')
{
$this->xh[$the_parser]['isf'] = 2;
$this->xh[$the_parser]['isf_reason'] = 'Top level XML-RPC element is missing';
return;
}
}
else
{
// not top level element: see if parent is OK
if ( ! in_array($this->xh[$the_parser]['stack'][0], $this->valid_parents[$name], TRUE))
{
$this->xh[$the_parser]['isf'] = 2;
$this->xh[$the_parser]['isf_reason'] = "XML-RPC element $name cannot be child of ".$this->xh[$the_parser]['stack'][0];
return;
}
}
switch($name)
{
case 'STRUCT':
case 'ARRAY':
// Creates array for child elements
$cur_val = array('value' => array(),
'type' => $name);
array_unshift($this->xh[$the_parser]['valuestack'], $cur_val);
break;
case 'METHODNAME':
case 'NAME':
$this->xh[$the_parser]['ac'] = '';
break;
case 'FAULT':
$this->xh[$the_parser]['isf'] = 1;
break;
case 'PARAM':
$this->xh[$the_parser]['value'] = NULL;
break;
case 'VALUE':
$this->xh[$the_parser]['vt'] = 'value';
$this->xh[$the_parser]['ac'] = '';
$this->xh[$the_parser]['lv'] = 1;
break;
case 'I4':
case 'INT':
case 'STRING':
case 'BOOLEAN':
case 'DOUBLE':
case 'DATETIME.ISO8601':
case 'BASE64':
if ($this->xh[$the_parser]['vt'] != 'value')
{
//two data elements inside a value: an error occurred!
$this->xh[$the_parser]['isf'] = 2;
$this->xh[$the_parser]['isf_reason'] = "'Twas a $name element following a ".$this->xh[$the_parser]['vt']." element inside a single value";
return;
}
$this->xh[$the_parser]['ac'] = '';
break;
case 'MEMBER':
// Set name of <member> to nothing to prevent errors later if no <name> is found
$this->xh[$the_parser]['valuestack'][0]['name'] = '';
// Set NULL value to check to see if value passed for this param/member
$this->xh[$the_parser]['value'] = NULL;
break;
case 'DATA':
case 'METHODCALL':
case 'METHODRESPONSE':
case 'PARAMS':
// valid elements that add little to processing
break;
default:
/// An Invalid Element is Found, so we have trouble
$this->xh[$the_parser]['isf'] = 2;
$this->xh[$the_parser]['isf_reason'] = "Invalid XML-RPC element found: $name";
break;
}
// Add current element name to stack, to allow validation of nesting
array_unshift($this->xh[$the_parser]['stack'], $name);
if ($name != 'VALUE') $this->xh[$the_parser]['lv'] = 0;
}
// END
//-------------------------------------
// End Element Handler
//-------------------------------------
function closing_tag($the_parser, $name)
{
if ($this->xh[$the_parser]['isf'] > 1) return;
// Remove current element from stack and set variable
// NOTE: If the XML validates, then we do not have to worry about
// the opening and closing of elements. Nesting is checked on the opening
// tag so we be safe there as well.
$curr_elem = array_shift($this->xh[$the_parser]['stack']);
switch($name)
{
case 'STRUCT':
case 'ARRAY':
$cur_val = array_shift($this->xh[$the_parser]['valuestack']);
$this->xh[$the_parser]['value'] = ( ! isset($cur_val['values'])) ? array() : $cur_val['values'];
$this->xh[$the_parser]['vt'] = strtolower($name);
break;
case 'NAME':
$this->xh[$the_parser]['valuestack'][0]['name'] = $this->xh[$the_parser]['ac'];
break;
case 'BOOLEAN':
case 'I4':
case 'INT':
case 'STRING':
case 'DOUBLE':
case 'DATETIME.ISO8601':
case 'BASE64':
$this->xh[$the_parser]['vt'] = strtolower($name);
if ($name == 'STRING')
{
$this->xh[$the_parser]['value'] = $this->xh[$the_parser]['ac'];
}
elseif ($name=='DATETIME.ISO8601')
{
$this->xh[$the_parser]['vt'] = $this->xmlrpcDateTime;
$this->xh[$the_parser]['value'] = $this->xh[$the_parser]['ac'];
}
elseif ($name=='BASE64')
{
$this->xh[$the_parser]['value'] = base64_decode($this->xh[$the_parser]['ac']);
}
elseif ($name=='BOOLEAN')
{
// Translated BOOLEAN values to TRUE AND FALSE
if ($this->xh[$the_parser]['ac'] == '1')
{
$this->xh[$the_parser]['value'] = TRUE;
}
else
{
$this->xh[$the_parser]['value'] = FALSE;
}
}
elseif ($name=='DOUBLE')
{
// we have a DOUBLE
// we must check that only 0123456789-.<space> are characters here
if ( ! preg_match('/^[+-]?[eE0-9\t \.]+$/', $this->xh[$the_parser]['ac']))
{
$this->xh[$the_parser]['value'] = 'ERROR_NON_NUMERIC_FOUND';
}
else
{
$this->xh[$the_parser]['value'] = (double)$this->xh[$the_parser]['ac'];
}
}
else
{
// we have an I4/INT
// we must check that only 0123456789-<space> are characters here
if ( ! preg_match('/^[+-]?[0-9\t ]+$/', $this->xh[$the_parser]['ac']))
{
$this->xh[$the_parser]['value'] = 'ERROR_NON_NUMERIC_FOUND';
}
else
{
$this->xh[$the_parser]['value'] = (int)$this->xh[$the_parser]['ac'];
}
}
$this->xh[$the_parser]['ac'] = '';
$this->xh[$the_parser]['lv'] = 3; // indicate we've found a value
break;
case 'VALUE':
// This if() detects if no scalar was inside <VALUE></VALUE>
if ($this->xh[$the_parser]['vt']=='value')
{
$this->xh[$the_parser]['value'] = $this->xh[$the_parser]['ac'];
$this->xh[$the_parser]['vt'] = $this->xmlrpcString;
}
// build the XML-RPC value out of the data received, and substitute it
$temp = new XML_RPC_Values($this->xh[$the_parser]['value'], $this->xh[$the_parser]['vt']);
if (count($this->xh[$the_parser]['valuestack']) && $this->xh[$the_parser]['valuestack'][0]['type'] == 'ARRAY')
{
// Array
$this->xh[$the_parser]['valuestack'][0]['values'][] = $temp;
}
else
{
// Struct
$this->xh[$the_parser]['value'] = $temp;
}
break;
case 'MEMBER':
$this->xh[$the_parser]['ac']='';
// If value add to array in the stack for the last element built
if ($this->xh[$the_parser]['value'])
{
$this->xh[$the_parser]['valuestack'][0]['values'][$this->xh[$the_parser]['valuestack'][0]['name']] = $this->xh[$the_parser]['value'];
}
break;
case 'DATA':
$this->xh[$the_parser]['ac']='';
break;
case 'PARAM':
if ($this->xh[$the_parser]['value'])
{
$this->xh[$the_parser]['params'][] = $this->xh[$the_parser]['value'];
}
break;
case 'METHODNAME':
$this->xh[$the_parser]['method'] = ltrim($this->xh[$the_parser]['ac']);
break;
case 'PARAMS':
case 'FAULT':
case 'METHODCALL':
case 'METHORESPONSE':
// We're all good kids with nuthin' to do
break;
default:
// End of an Invalid Element. Taken care of during the opening tag though
break;
}
}
//-------------------------------------
// Parses Character Data
//-------------------------------------
function character_data($the_parser, $data)
{
if ($this->xh[$the_parser]['isf'] > 1) return; // XML Fault found already
// If a value has not been found
if ($this->xh[$the_parser]['lv'] != 3)
{
if ($this->xh[$the_parser]['lv'] == 1)
{
$this->xh[$the_parser]['lv'] = 2; // Found a value
}
if ( ! @isset($this->xh[$the_parser]['ac']))
{
$this->xh[$the_parser]['ac'] = '';
}
$this->xh[$the_parser]['ac'] .= $data;
}
}
function addParam($par) { $this->params[]=$par; }
function output_parameters($array=FALSE)
{
$CI =& get_instance();
if ($array !== FALSE && is_array($array))
{
while (list($key) = each($array))
{
if (is_array($array[$key]))
{
$array[$key] = $this->output_parameters($array[$key]);
}
else
{
// 'bits' is for the MetaWeblog API image bits
// @todo - this needs to be made more general purpose
$array[$key] = ($key == 'bits' OR $this->xss_clean == FALSE) ? $array[$key] : $CI->security->xss_clean($array[$key]);
}
}
$parameters = $array;
}
else
{
$parameters = array();
for ($i = 0; $i < count($this->params); $i++)
{
$a_param = $this->decode_message($this->params[$i]);
if (is_array($a_param))
{
$parameters[] = $this->output_parameters($a_param);
}
else
{
$parameters[] = ($this->xss_clean) ? $CI->security->xss_clean($a_param) : $a_param;
}
}
}
return $parameters;
}
function decode_message($param)
{
$kind = $param->kindOf();
if ($kind == 'scalar')
{
return $param->scalarval();
}
elseif ($kind == 'array')
{
reset($param->me);
list($a,$b) = each($param->me);
$arr = array();
for($i = 0; $i < count($b); $i++)
{
$arr[] = $this->decode_message($param->me['array'][$i]);
}
return $arr;
}
elseif ($kind == 'struct')
{
reset($param->me['struct']);
$arr = array();
while (list($key,$value) = each($param->me['struct']))
{
$arr[$key] = $this->decode_message($value);
}
return $arr;
}
}
} // End XML_RPC_Messages class
/**
* XML-RPC Values class
*
* @category XML-RPC
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class XML_RPC_Values extends CI_Xmlrpc
{
var $me = array();
var $mytype = 0;
public function __construct($val=-1, $type='')
{
parent::__construct();
if ($val != -1 OR $type != '')
{
$type = $type == '' ? 'string' : $type;
if ($this->xmlrpcTypes[$type] == 1)
{
$this->addScalar($val,$type);
}
elseif ($this->xmlrpcTypes[$type] == 2)
{
$this->addArray($val);
}
elseif ($this->xmlrpcTypes[$type] == 3)
{
$this->addStruct($val);
}
}
}
function addScalar($val, $type='string')
{
$typeof = $this->xmlrpcTypes[$type];
if ($this->mytype==1)
{
echo '<strong>XML_RPC_Values</strong>: scalar can have only one value<br />';
return 0;
}
if ($typeof != 1)
{
echo '<strong>XML_RPC_Values</strong>: not a scalar type (${typeof})<br />';
return 0;
}
if ($type == $this->xmlrpcBoolean)
{
if (strcasecmp($val,'true')==0 OR $val==1 OR ($val==true && strcasecmp($val,'false')))
{
$val = 1;
}
else
{
$val=0;
}
}
if ($this->mytype == 2)
{
// adding to an array here
$ar = $this->me['array'];
$ar[] = new XML_RPC_Values($val, $type);
$this->me['array'] = $ar;
}
else
{
// a scalar, so set the value and remember we're scalar
$this->me[$type] = $val;
$this->mytype = $typeof;
}
return 1;
}
function addArray($vals)
{
if ($this->mytype != 0)
{
echo '<strong>XML_RPC_Values</strong>: already initialized as a [' . $this->kindOf() . ']<br />';
return 0;
}
$this->mytype = $this->xmlrpcTypes['array'];
$this->me['array'] = $vals;
return 1;
}
function addStruct($vals)
{
if ($this->mytype != 0)
{
echo '<strong>XML_RPC_Values</strong>: already initialized as a [' . $this->kindOf() . ']<br />';
return 0;
}
$this->mytype = $this->xmlrpcTypes['struct'];
$this->me['struct'] = $vals;
return 1;
}
function kindOf()
{
switch($this->mytype)
{
case 3:
return 'struct';
break;
case 2:
return 'array';
break;
case 1:
return 'scalar';
break;
default:
return 'undef';
}
}
function serializedata($typ, $val)
{
$rs = '';
switch($this->xmlrpcTypes[$typ])
{
case 3:
// struct
$rs .= "<struct>\n";
reset($val);
while (list($key2, $val2) = each($val))
{
$rs .= "<member>\n<name>{$key2}</name>\n";
$rs .= $this->serializeval($val2);
$rs .= "</member>\n";
}
$rs .= '</struct>';
break;
case 2:
// array
$rs .= "<array>\n<data>\n";
for($i=0; $i < count($val); $i++)
{
$rs .= $this->serializeval($val[$i]);
}
$rs.="</data>\n</array>\n";
break;
case 1:
// others
switch ($typ)
{
case $this->xmlrpcBase64:
$rs .= "<{$typ}>" . base64_encode((string)$val) . "</{$typ}>\n";
break;
case $this->xmlrpcBoolean:
$rs .= "<{$typ}>" . ((bool)$val ? '1' : '0') . "</{$typ}>\n";
break;
case $this->xmlrpcString:
$rs .= "<{$typ}>" . htmlspecialchars((string)$val). "</{$typ}>\n";
break;
default:
$rs .= "<{$typ}>{$val}</{$typ}>\n";
break;
}
default:
break;
}
return $rs;
}
function serialize_class()
{
return $this->serializeval($this);
}
function serializeval($o)
{
$ar = $o->me;
reset($ar);
list($typ, $val) = each($ar);
$rs = "<value>\n".$this->serializedata($typ, $val)."</value>\n";
return $rs;
}
function scalarval()
{
reset($this->me);
list($a,$b) = each($this->me);
return $b;
}
//-------------------------------------
// Encode time in ISO-8601 form.
//-------------------------------------
// Useful for sending time in XML-RPC
function iso8601_encode($time, $utc=0)
{
if ($utc == 1)
{
$t = strftime("%Y%m%dT%H:%i:%s", $time);
}
else
{
if (function_exists('gmstrftime'))
$t = gmstrftime("%Y%m%dT%H:%i:%s", $time);
else
$t = strftime("%Y%m%dT%H:%i:%s", $time - date('Z'));
}
return $t;
}
}
// END XML_RPC_Values Class
/* End of file Xmlrpc.php */
/* Location: ./system/libraries/Xmlrpc.php */ | 069h-course-management | trunk/ci/system/libraries/Xmlrpc.php | PHP | mit | 33,567 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Form Validation Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Validation
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/form_validation.html
*/
class CI_Form_validation {
protected $CI;
protected $_field_data = array();
protected $_config_rules = array();
protected $_error_array = array();
protected $_error_messages = array();
protected $_error_prefix = '<p>';
protected $_error_suffix = '</p>';
protected $error_string = '';
protected $_safe_form_data = FALSE;
/**
* Constructor
*/
public function __construct($rules = array())
{
$this->CI =& get_instance();
// Validation rules can be stored in a config file.
$this->_config_rules = $rules;
// Automatically load the form helper
$this->CI->load->helper('form');
// Set the character encoding in MB.
if (function_exists('mb_internal_encoding'))
{
mb_internal_encoding($this->CI->config->item('charset'));
}
log_message('debug', "Form Validation Class Initialized");
}
// --------------------------------------------------------------------
/**
* Set Rules
*
* This function takes an array of field names and validation
* rules as input, validates the info, and stores it
*
* @access public
* @param mixed
* @param string
* @return void
*/
public function set_rules($field, $label = '', $rules = '')
{
// No reason to set rules if we have no POST data
if (count($_POST) == 0)
{
return $this;
}
// If an array was passed via the first parameter instead of indidual string
// values we cycle through it and recursively call this function.
if (is_array($field))
{
foreach ($field as $row)
{
// Houston, we have a problem...
if ( ! isset($row['field']) OR ! isset($row['rules']))
{
continue;
}
// If the field label wasn't passed we use the field name
$label = ( ! isset($row['label'])) ? $row['field'] : $row['label'];
// Here we go!
$this->set_rules($row['field'], $label, $row['rules']);
}
return $this;
}
// No fields? Nothing to do...
if ( ! is_string($field) OR ! is_string($rules) OR $field == '')
{
return $this;
}
// If the field label wasn't passed we use the field name
$label = ($label == '') ? $field : $label;
// Is the field name an array? We test for the existence of a bracket "[" in
// the field name to determine this. If it is an array, we break it apart
// into its components so that we can fetch the corresponding POST data later
if (strpos($field, '[') !== FALSE AND preg_match_all('/\[(.*?)\]/', $field, $matches))
{
// Note: Due to a bug in current() that affects some versions
// of PHP we can not pass function call directly into it
$x = explode('[', $field);
$indexes[] = current($x);
for ($i = 0; $i < count($matches['0']); $i++)
{
if ($matches['1'][$i] != '')
{
$indexes[] = $matches['1'][$i];
}
}
$is_array = TRUE;
}
else
{
$indexes = array();
$is_array = FALSE;
}
// Build our master array
$this->_field_data[$field] = array(
'field' => $field,
'label' => $label,
'rules' => $rules,
'is_array' => $is_array,
'keys' => $indexes,
'postdata' => NULL,
'error' => ''
);
return $this;
}
// --------------------------------------------------------------------
/**
* Set Error Message
*
* Lets users set their own error messages on the fly. Note: The key
* name has to match the function name that it corresponds to.
*
* @access public
* @param string
* @param string
* @return string
*/
public function set_message($lang, $val = '')
{
if ( ! is_array($lang))
{
$lang = array($lang => $val);
}
$this->_error_messages = array_merge($this->_error_messages, $lang);
return $this;
}
// --------------------------------------------------------------------
/**
* Set The Error Delimiter
*
* Permits a prefix/suffix to be added to each error message
*
* @access public
* @param string
* @param string
* @return void
*/
public function set_error_delimiters($prefix = '<p>', $suffix = '</p>')
{
$this->_error_prefix = $prefix;
$this->_error_suffix = $suffix;
return $this;
}
// --------------------------------------------------------------------
/**
* Get Error Message
*
* Gets the error message associated with a particular field
*
* @access public
* @param string the field name
* @return void
*/
public function error($field = '', $prefix = '', $suffix = '')
{
if ( ! isset($this->_field_data[$field]['error']) OR $this->_field_data[$field]['error'] == '')
{
return '';
}
if ($prefix == '')
{
$prefix = $this->_error_prefix;
}
if ($suffix == '')
{
$suffix = $this->_error_suffix;
}
return $prefix.$this->_field_data[$field]['error'].$suffix;
}
// --------------------------------------------------------------------
/**
* Error String
*
* Returns the error messages as a string, wrapped in the error delimiters
*
* @access public
* @param string
* @param string
* @return str
*/
public function error_string($prefix = '', $suffix = '')
{
// No errrors, validation passes!
if (count($this->_error_array) === 0)
{
return '';
}
if ($prefix == '')
{
$prefix = $this->_error_prefix;
}
if ($suffix == '')
{
$suffix = $this->_error_suffix;
}
// Generate the error string
$str = '';
foreach ($this->_error_array as $val)
{
if ($val != '')
{
$str .= $prefix.$val.$suffix."\n";
}
}
return $str;
}
// --------------------------------------------------------------------
/**
* Run the Validator
*
* This function does all the work.
*
* @access public
* @return bool
*/
public function run($group = '')
{
// Do we even have any data to process? Mm?
if (count($_POST) == 0)
{
return FALSE;
}
// Does the _field_data array containing the validation rules exist?
// If not, we look to see if they were assigned via a config file
if (count($this->_field_data) == 0)
{
// No validation rules? We're done...
if (count($this->_config_rules) == 0)
{
return FALSE;
}
// Is there a validation rule for the particular URI being accessed?
$uri = ($group == '') ? trim($this->CI->uri->ruri_string(), '/') : $group;
if ($uri != '' AND isset($this->_config_rules[$uri]))
{
$this->set_rules($this->_config_rules[$uri]);
}
else
{
$this->set_rules($this->_config_rules);
}
// We're we able to set the rules correctly?
if (count($this->_field_data) == 0)
{
log_message('debug', "Unable to find validation rules");
return FALSE;
}
}
// Load the language file containing error messages
$this->CI->lang->load('form_validation');
// Cycle through the rules for each field, match the
// corresponding $_POST item and test for errors
foreach ($this->_field_data as $field => $row)
{
// Fetch the data from the corresponding $_POST array and cache it in the _field_data array.
// Depending on whether the field name is an array or a string will determine where we get it from.
if ($row['is_array'] == TRUE)
{
$this->_field_data[$field]['postdata'] = $this->_reduce_array($_POST, $row['keys']);
}
else
{
if (isset($_POST[$field]) AND $_POST[$field] != "")
{
$this->_field_data[$field]['postdata'] = $_POST[$field];
}
}
$this->_execute($row, explode('|', $row['rules']), $this->_field_data[$field]['postdata']);
}
// Did we end up with any errors?
$total_errors = count($this->_error_array);
if ($total_errors > 0)
{
$this->_safe_form_data = TRUE;
}
// Now we need to re-set the POST data with the new, processed data
$this->_reset_post_array();
// No errors, validation passes!
if ($total_errors == 0)
{
return TRUE;
}
// Validation fails
return FALSE;
}
// --------------------------------------------------------------------
/**
* Traverse a multidimensional $_POST array index until the data is found
*
* @access private
* @param array
* @param array
* @param integer
* @return mixed
*/
protected function _reduce_array($array, $keys, $i = 0)
{
if (is_array($array))
{
if (isset($keys[$i]))
{
if (isset($array[$keys[$i]]))
{
$array = $this->_reduce_array($array[$keys[$i]], $keys, ($i+1));
}
else
{
return NULL;
}
}
else
{
return $array;
}
}
return $array;
}
// --------------------------------------------------------------------
/**
* Re-populate the _POST array with our finalized and processed data
*
* @access private
* @return null
*/
protected function _reset_post_array()
{
foreach ($this->_field_data as $field => $row)
{
if ( ! is_null($row['postdata']))
{
if ($row['is_array'] == FALSE)
{
if (isset($_POST[$row['field']]))
{
$_POST[$row['field']] = $this->prep_for_form($row['postdata']);
}
}
else
{
// start with a reference
$post_ref =& $_POST;
// before we assign values, make a reference to the right POST key
if (count($row['keys']) == 1)
{
$post_ref =& $post_ref[current($row['keys'])];
}
else
{
foreach ($row['keys'] as $val)
{
$post_ref =& $post_ref[$val];
}
}
if (is_array($row['postdata']))
{
$array = array();
foreach ($row['postdata'] as $k => $v)
{
$array[$k] = $this->prep_for_form($v);
}
$post_ref = $array;
}
else
{
$post_ref = $this->prep_for_form($row['postdata']);
}
}
}
}
}
// --------------------------------------------------------------------
/**
* Executes the Validation routines
*
* @access private
* @param array
* @param array
* @param mixed
* @param integer
* @return mixed
*/
protected function _execute($row, $rules, $postdata = NULL, $cycles = 0)
{
// If the $_POST data is an array we will run a recursive call
if (is_array($postdata))
{
foreach ($postdata as $key => $val)
{
$this->_execute($row, $rules, $val, $cycles);
$cycles++;
}
return;
}
// --------------------------------------------------------------------
// If the field is blank, but NOT required, no further tests are necessary
$callback = FALSE;
if ( ! in_array('required', $rules) AND is_null($postdata))
{
// Before we bail out, does the rule contain a callback?
if (preg_match("/(callback_\w+(\[.*?\])?)/", implode(' ', $rules), $match))
{
$callback = TRUE;
$rules = (array('1' => $match[1]));
}
else
{
return;
}
}
// --------------------------------------------------------------------
// Isset Test. Typically this rule will only apply to checkboxes.
if (is_null($postdata) AND $callback == FALSE)
{
if (in_array('isset', $rules, TRUE) OR in_array('required', $rules))
{
// Set the message type
$type = (in_array('required', $rules)) ? 'required' : 'isset';
if ( ! isset($this->_error_messages[$type]))
{
if (FALSE === ($line = $this->CI->lang->line($type)))
{
$line = 'The field was not set';
}
}
else
{
$line = $this->_error_messages[$type];
}
// Build the error message
$message = sprintf($line, $this->_translate_fieldname($row['label']));
// Save the error message
$this->_field_data[$row['field']]['error'] = $message;
if ( ! isset($this->_error_array[$row['field']]))
{
$this->_error_array[$row['field']] = $message;
}
}
return;
}
// --------------------------------------------------------------------
// Cycle through each rule and run it
foreach ($rules As $rule)
{
$_in_array = FALSE;
// We set the $postdata variable with the current data in our master array so that
// each cycle of the loop is dealing with the processed data from the last cycle
if ($row['is_array'] == TRUE AND is_array($this->_field_data[$row['field']]['postdata']))
{
// We shouldn't need this safety, but just in case there isn't an array index
// associated with this cycle we'll bail out
if ( ! isset($this->_field_data[$row['field']]['postdata'][$cycles]))
{
continue;
}
$postdata = $this->_field_data[$row['field']]['postdata'][$cycles];
$_in_array = TRUE;
}
else
{
$postdata = $this->_field_data[$row['field']]['postdata'];
}
// --------------------------------------------------------------------
// Is the rule a callback?
$callback = FALSE;
if (substr($rule, 0, 9) == 'callback_')
{
$rule = substr($rule, 9);
$callback = TRUE;
}
// Strip the parameter (if exists) from the rule
// Rules can contain a parameter: max_length[5]
$param = FALSE;
if (preg_match("/(.*?)\[(.*)\]/", $rule, $match))
{
$rule = $match[1];
$param = $match[2];
}
// Call the function that corresponds to the rule
if ($callback === TRUE)
{
if ( ! method_exists($this->CI, $rule))
{
continue;
}
// Run the function and grab the result
$result = $this->CI->$rule($postdata, $param);
// Re-assign the result to the master data array
if ($_in_array == TRUE)
{
$this->_field_data[$row['field']]['postdata'][$cycles] = (is_bool($result)) ? $postdata : $result;
}
else
{
$this->_field_data[$row['field']]['postdata'] = (is_bool($result)) ? $postdata : $result;
}
// If the field isn't required and we just processed a callback we'll move on...
if ( ! in_array('required', $rules, TRUE) AND $result !== FALSE)
{
continue;
}
}
else
{
if ( ! method_exists($this, $rule))
{
// If our own wrapper function doesn't exist we see if a native PHP function does.
// Users can use any native PHP function call that has one param.
if (function_exists($rule))
{
$result = $rule($postdata);
if ($_in_array == TRUE)
{
$this->_field_data[$row['field']]['postdata'][$cycles] = (is_bool($result)) ? $postdata : $result;
}
else
{
$this->_field_data[$row['field']]['postdata'] = (is_bool($result)) ? $postdata : $result;
}
}
else
{
log_message('debug', "Unable to find validation rule: ".$rule);
}
continue;
}
$result = $this->$rule($postdata, $param);
if ($_in_array == TRUE)
{
$this->_field_data[$row['field']]['postdata'][$cycles] = (is_bool($result)) ? $postdata : $result;
}
else
{
$this->_field_data[$row['field']]['postdata'] = (is_bool($result)) ? $postdata : $result;
}
}
// Did the rule test negatively? If so, grab the error.
if ($result === FALSE)
{
if ( ! isset($this->_error_messages[$rule]))
{
if (FALSE === ($line = $this->CI->lang->line($rule)))
{
$line = 'Unable to access an error message corresponding to your field name.';
}
}
else
{
$line = $this->_error_messages[$rule];
}
// Is the parameter we are inserting into the error message the name
// of another field? If so we need to grab its "field label"
if (isset($this->_field_data[$param]) AND isset($this->_field_data[$param]['label']))
{
$param = $this->_translate_fieldname($this->_field_data[$param]['label']);
}
// Build the error message
$message = sprintf($line, $this->_translate_fieldname($row['label']), $param);
// Save the error message
$this->_field_data[$row['field']]['error'] = $message;
if ( ! isset($this->_error_array[$row['field']]))
{
$this->_error_array[$row['field']] = $message;
}
return;
}
}
}
// --------------------------------------------------------------------
/**
* Translate a field name
*
* @access private
* @param string the field name
* @return string
*/
protected function _translate_fieldname($fieldname)
{
// Do we need to translate the field name?
// We look for the prefix lang: to determine this
if (substr($fieldname, 0, 5) == 'lang:')
{
// Grab the variable
$line = substr($fieldname, 5);
// Were we able to translate the field name? If not we use $line
if (FALSE === ($fieldname = $this->CI->lang->line($line)))
{
return $line;
}
}
return $fieldname;
}
// --------------------------------------------------------------------
/**
* Get the value from a form
*
* Permits you to repopulate a form field with the value it was submitted
* with, or, if that value doesn't exist, with the default
*
* @access public
* @param string the field name
* @param string
* @return void
*/
public function set_value($field = '', $default = '')
{
if ( ! isset($this->_field_data[$field]))
{
return $default;
}
// If the data is an array output them one at a time.
// E.g: form_input('name[]', set_value('name[]');
if (is_array($this->_field_data[$field]['postdata']))
{
return array_shift($this->_field_data[$field]['postdata']);
}
return $this->_field_data[$field]['postdata'];
}
// --------------------------------------------------------------------
/**
* Set Select
*
* Enables pull-down lists to be set to the value the user
* selected in the event of an error
*
* @access public
* @param string
* @param string
* @return string
*/
public function set_select($field = '', $value = '', $default = FALSE)
{
if ( ! isset($this->_field_data[$field]) OR ! isset($this->_field_data[$field]['postdata']))
{
if ($default === TRUE AND count($this->_field_data) === 0)
{
return ' selected="selected"';
}
return '';
}
$field = $this->_field_data[$field]['postdata'];
if (is_array($field))
{
if ( ! in_array($value, $field))
{
return '';
}
}
else
{
if (($field == '' OR $value == '') OR ($field != $value))
{
return '';
}
}
return ' selected="selected"';
}
// --------------------------------------------------------------------
/**
* Set Radio
*
* Enables radio buttons to be set to the value the user
* selected in the event of an error
*
* @access public
* @param string
* @param string
* @return string
*/
public function set_radio($field = '', $value = '', $default = FALSE)
{
if ( ! isset($this->_field_data[$field]) OR ! isset($this->_field_data[$field]['postdata']))
{
if ($default === TRUE AND count($this->_field_data) === 0)
{
return ' checked="checked"';
}
return '';
}
$field = $this->_field_data[$field]['postdata'];
if (is_array($field))
{
if ( ! in_array($value, $field))
{
return '';
}
}
else
{
if (($field == '' OR $value == '') OR ($field != $value))
{
return '';
}
}
return ' checked="checked"';
}
// --------------------------------------------------------------------
/**
* Set Checkbox
*
* Enables checkboxes to be set to the value the user
* selected in the event of an error
*
* @access public
* @param string
* @param string
* @return string
*/
public function set_checkbox($field = '', $value = '', $default = FALSE)
{
if ( ! isset($this->_field_data[$field]) OR ! isset($this->_field_data[$field]['postdata']))
{
if ($default === TRUE AND count($this->_field_data) === 0)
{
return ' checked="checked"';
}
return '';
}
$field = $this->_field_data[$field]['postdata'];
if (is_array($field))
{
if ( ! in_array($value, $field))
{
return '';
}
}
else
{
if (($field == '' OR $value == '') OR ($field != $value))
{
return '';
}
}
return ' checked="checked"';
}
// --------------------------------------------------------------------
/**
* Required
*
* @access public
* @param string
* @return bool
*/
public function required($str)
{
if ( ! is_array($str))
{
return (trim($str) == '') ? FALSE : TRUE;
}
else
{
return ( ! empty($str));
}
}
// --------------------------------------------------------------------
/**
* Performs a Regular Expression match test.
*
* @access public
* @param string
* @param regex
* @return bool
*/
public function regex_match($str, $regex)
{
if ( ! preg_match($regex, $str))
{
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Match one field to another
*
* @access public
* @param string
* @param field
* @return bool
*/
public function matches($str, $field)
{
if ( ! isset($_POST[$field]))
{
return FALSE;
}
$field = $_POST[$field];
return ($str !== $field) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Match one field to another
*
* @access public
* @param string
* @param field
* @return bool
*/
public function is_unique($str, $field)
{
list($table, $field)=explode('.', $field);
$query = $this->CI->db->limit(1)->get_where($table, array($field => $str));
return $query->num_rows() === 0;
}
// --------------------------------------------------------------------
/**
* Minimum Length
*
* @access public
* @param string
* @param value
* @return bool
*/
public function min_length($str, $val)
{
if (preg_match("/[^0-9]/", $val))
{
return FALSE;
}
if (function_exists('mb_strlen'))
{
return (mb_strlen($str) < $val) ? FALSE : TRUE;
}
return (strlen($str) < $val) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Max Length
*
* @access public
* @param string
* @param value
* @return bool
*/
public function max_length($str, $val)
{
if (preg_match("/[^0-9]/", $val))
{
return FALSE;
}
if (function_exists('mb_strlen'))
{
return (mb_strlen($str) > $val) ? FALSE : TRUE;
}
return (strlen($str) > $val) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Exact Length
*
* @access public
* @param string
* @param value
* @return bool
*/
public function exact_length($str, $val)
{
if (preg_match("/[^0-9]/", $val))
{
return FALSE;
}
if (function_exists('mb_strlen'))
{
return (mb_strlen($str) != $val) ? FALSE : TRUE;
}
return (strlen($str) != $val) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Valid Email
*
* @access public
* @param string
* @return bool
*/
public function valid_email($str)
{
return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $str)) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Valid Emails
*
* @access public
* @param string
* @return bool
*/
public function valid_emails($str)
{
if (strpos($str, ',') === FALSE)
{
return $this->valid_email(trim($str));
}
foreach (explode(',', $str) as $email)
{
if (trim($email) != '' && $this->valid_email(trim($email)) === FALSE)
{
return FALSE;
}
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Validate IP Address
*
* @access public
* @param string
* @param string "ipv4" or "ipv6" to validate a specific ip format
* @return string
*/
public function valid_ip($ip, $which = '')
{
return $this->CI->input->valid_ip($ip, $which);
}
// --------------------------------------------------------------------
/**
* Alpha
*
* @access public
* @param string
* @return bool
*/
public function alpha($str)
{
return ( ! preg_match("/^([a-z])+$/i", $str)) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Alpha-numeric
*
* @access public
* @param string
* @return bool
*/
public function alpha_numeric($str)
{
return ( ! preg_match("/^([a-z0-9])+$/i", $str)) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Alpha-numeric with underscores and dashes
*
* @access public
* @param string
* @return bool
*/
public function alpha_dash($str)
{
return ( ! preg_match("/^([-a-z0-9_-])+$/i", $str)) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Numeric
*
* @access public
* @param string
* @return bool
*/
public function numeric($str)
{
return (bool)preg_match( '/^[\-+]?[0-9]*\.?[0-9]+$/', $str);
}
// --------------------------------------------------------------------
/**
* Is Numeric
*
* @access public
* @param string
* @return bool
*/
public function is_numeric($str)
{
return ( ! is_numeric($str)) ? FALSE : TRUE;
}
// --------------------------------------------------------------------
/**
* Integer
*
* @access public
* @param string
* @return bool
*/
public function integer($str)
{
return (bool) preg_match('/^[\-+]?[0-9]+$/', $str);
}
// --------------------------------------------------------------------
/**
* Decimal number
*
* @access public
* @param string
* @return bool
*/
public function decimal($str)
{
return (bool) preg_match('/^[\-+]?[0-9]+\.[0-9]+$/', $str);
}
// --------------------------------------------------------------------
/**
* Greather than
*
* @access public
* @param string
* @return bool
*/
public function greater_than($str, $min)
{
if ( ! is_numeric($str))
{
return FALSE;
}
return $str > $min;
}
// --------------------------------------------------------------------
/**
* Less than
*
* @access public
* @param string
* @return bool
*/
public function less_than($str, $max)
{
if ( ! is_numeric($str))
{
return FALSE;
}
return $str < $max;
}
// --------------------------------------------------------------------
/**
* Is a Natural number (0,1,2,3, etc.)
*
* @access public
* @param string
* @return bool
*/
public function is_natural($str)
{
return (bool) preg_match( '/^[0-9]+$/', $str);
}
// --------------------------------------------------------------------
/**
* Is a Natural number, but not a zero (1,2,3, etc.)
*
* @access public
* @param string
* @return bool
*/
public function is_natural_no_zero($str)
{
if ( ! preg_match( '/^[0-9]+$/', $str))
{
return FALSE;
}
if ($str == 0)
{
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Valid Base64
*
* Tests a string for characters outside of the Base64 alphabet
* as defined by RFC 2045 http://www.faqs.org/rfcs/rfc2045
*
* @access public
* @param string
* @return bool
*/
public function valid_base64($str)
{
return (bool) ! preg_match('/[^a-zA-Z0-9\/\+=]/', $str);
}
// --------------------------------------------------------------------
/**
* Prep data for form
*
* This function allows HTML to be safely shown in a form.
* Special characters are converted.
*
* @access public
* @param string
* @return string
*/
public function prep_for_form($data = '')
{
if (is_array($data))
{
foreach ($data as $key => $val)
{
$data[$key] = $this->prep_for_form($val);
}
return $data;
}
if ($this->_safe_form_data == FALSE OR $data === '')
{
return $data;
}
return str_replace(array("'", '"', '<', '>'), array("'", """, '<', '>'), stripslashes($data));
}
// --------------------------------------------------------------------
/**
* Prep URL
*
* @access public
* @param string
* @return string
*/
public function prep_url($str = '')
{
if ($str == 'http://' OR $str == '')
{
return '';
}
if (substr($str, 0, 7) != 'http://' && substr($str, 0, 8) != 'https://')
{
$str = 'http://'.$str;
}
return $str;
}
// --------------------------------------------------------------------
/**
* Strip Image Tags
*
* @access public
* @param string
* @return string
*/
public function strip_image_tags($str)
{
return $this->CI->input->strip_image_tags($str);
}
// --------------------------------------------------------------------
/**
* XSS Clean
*
* @access public
* @param string
* @return string
*/
public function xss_clean($str)
{
return $this->CI->security->xss_clean($str);
}
// --------------------------------------------------------------------
/**
* Convert PHP tags to entities
*
* @access public
* @param string
* @return string
*/
public function encode_php_tags($str)
{
return str_replace(array('<?php', '<?PHP', '<?', '?>'), array('<?php', '<?PHP', '<?', '?>'), $str);
}
}
// END Form Validation Class
/* End of file Form_validation.php */
/* Location: ./system/libraries/Form_validation.php */
| 069h-course-management | trunk/ci/system/libraries/Form_validation.php | PHP | mit | 29,594 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* User Agent Class
*
* Identifies the platform, browser, robot, or mobile devise of the browsing agent
*
* @package CodeIgniter
* @subpackage Libraries
* @category User Agent
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/user_agent.html
*/
class CI_User_agent {
var $agent = NULL;
var $is_browser = FALSE;
var $is_robot = FALSE;
var $is_mobile = FALSE;
var $languages = array();
var $charsets = array();
var $platforms = array();
var $browsers = array();
var $mobiles = array();
var $robots = array();
var $platform = '';
var $browser = '';
var $version = '';
var $mobile = '';
var $robot = '';
/**
* Constructor
*
* Sets the User Agent and runs the compilation routine
*
* @access public
* @return void
*/
public function __construct()
{
if (isset($_SERVER['HTTP_USER_AGENT']))
{
$this->agent = trim($_SERVER['HTTP_USER_AGENT']);
}
if ( ! is_null($this->agent))
{
if ($this->_load_agent_file())
{
$this->_compile_data();
}
}
log_message('debug', "User Agent Class Initialized");
}
// --------------------------------------------------------------------
/**
* Compile the User Agent Data
*
* @access private
* @return bool
*/
private function _load_agent_file()
{
if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php');
}
elseif (is_file(APPPATH.'config/user_agents.php'))
{
include(APPPATH.'config/user_agents.php');
}
else
{
return FALSE;
}
$return = FALSE;
if (isset($platforms))
{
$this->platforms = $platforms;
unset($platforms);
$return = TRUE;
}
if (isset($browsers))
{
$this->browsers = $browsers;
unset($browsers);
$return = TRUE;
}
if (isset($mobiles))
{
$this->mobiles = $mobiles;
unset($mobiles);
$return = TRUE;
}
if (isset($robots))
{
$this->robots = $robots;
unset($robots);
$return = TRUE;
}
return $return;
}
// --------------------------------------------------------------------
/**
* Compile the User Agent Data
*
* @access private
* @return bool
*/
private function _compile_data()
{
$this->_set_platform();
foreach (array('_set_robot', '_set_browser', '_set_mobile') as $function)
{
if ($this->$function() === TRUE)
{
break;
}
}
}
// --------------------------------------------------------------------
/**
* Set the Platform
*
* @access private
* @return mixed
*/
private function _set_platform()
{
if (is_array($this->platforms) AND count($this->platforms) > 0)
{
foreach ($this->platforms as $key => $val)
{
if (preg_match("|".preg_quote($key)."|i", $this->agent))
{
$this->platform = $val;
return TRUE;
}
}
}
$this->platform = 'Unknown Platform';
}
// --------------------------------------------------------------------
/**
* Set the Browser
*
* @access private
* @return bool
*/
private function _set_browser()
{
if (is_array($this->browsers) AND count($this->browsers) > 0)
{
foreach ($this->browsers as $key => $val)
{
if (preg_match("|".preg_quote($key).".*?([0-9\.]+)|i", $this->agent, $match))
{
$this->is_browser = TRUE;
$this->version = $match[1];
$this->browser = $val;
$this->_set_mobile();
return TRUE;
}
}
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Set the Robot
*
* @access private
* @return bool
*/
private function _set_robot()
{
if (is_array($this->robots) AND count($this->robots) > 0)
{
foreach ($this->robots as $key => $val)
{
if (preg_match("|".preg_quote($key)."|i", $this->agent))
{
$this->is_robot = TRUE;
$this->robot = $val;
return TRUE;
}
}
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Set the Mobile Device
*
* @access private
* @return bool
*/
private function _set_mobile()
{
if (is_array($this->mobiles) AND count($this->mobiles) > 0)
{
foreach ($this->mobiles as $key => $val)
{
if (FALSE !== (strpos(strtolower($this->agent), $key)))
{
$this->is_mobile = TRUE;
$this->mobile = $val;
return TRUE;
}
}
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Set the accepted languages
*
* @access private
* @return void
*/
private function _set_languages()
{
if ((count($this->languages) == 0) AND isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) AND $_SERVER['HTTP_ACCEPT_LANGUAGE'] != '')
{
$languages = preg_replace('/(;q=[0-9\.]+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_LANGUAGE'])));
$this->languages = explode(',', $languages);
}
if (count($this->languages) == 0)
{
$this->languages = array('Undefined');
}
}
// --------------------------------------------------------------------
/**
* Set the accepted character sets
*
* @access private
* @return void
*/
private function _set_charsets()
{
if ((count($this->charsets) == 0) AND isset($_SERVER['HTTP_ACCEPT_CHARSET']) AND $_SERVER['HTTP_ACCEPT_CHARSET'] != '')
{
$charsets = preg_replace('/(;q=.+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_CHARSET'])));
$this->charsets = explode(',', $charsets);
}
if (count($this->charsets) == 0)
{
$this->charsets = array('Undefined');
}
}
// --------------------------------------------------------------------
/**
* Is Browser
*
* @access public
* @return bool
*/
public function is_browser($key = NULL)
{
if ( ! $this->is_browser)
{
return FALSE;
}
// No need to be specific, it's a browser
if ($key === NULL)
{
return TRUE;
}
// Check for a specific browser
return array_key_exists($key, $this->browsers) AND $this->browser === $this->browsers[$key];
}
// --------------------------------------------------------------------
/**
* Is Robot
*
* @access public
* @return bool
*/
public function is_robot($key = NULL)
{
if ( ! $this->is_robot)
{
return FALSE;
}
// No need to be specific, it's a robot
if ($key === NULL)
{
return TRUE;
}
// Check for a specific robot
return array_key_exists($key, $this->robots) AND $this->robot === $this->robots[$key];
}
// --------------------------------------------------------------------
/**
* Is Mobile
*
* @access public
* @return bool
*/
public function is_mobile($key = NULL)
{
if ( ! $this->is_mobile)
{
return FALSE;
}
// No need to be specific, it's a mobile
if ($key === NULL)
{
return TRUE;
}
// Check for a specific robot
return array_key_exists($key, $this->mobiles) AND $this->mobile === $this->mobiles[$key];
}
// --------------------------------------------------------------------
/**
* Is this a referral from another site?
*
* @access public
* @return bool
*/
public function is_referral()
{
if ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '')
{
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Agent String
*
* @access public
* @return string
*/
public function agent_string()
{
return $this->agent;
}
// --------------------------------------------------------------------
/**
* Get Platform
*
* @access public
* @return string
*/
public function platform()
{
return $this->platform;
}
// --------------------------------------------------------------------
/**
* Get Browser Name
*
* @access public
* @return string
*/
public function browser()
{
return $this->browser;
}
// --------------------------------------------------------------------
/**
* Get the Browser Version
*
* @access public
* @return string
*/
public function version()
{
return $this->version;
}
// --------------------------------------------------------------------
/**
* Get The Robot Name
*
* @access public
* @return string
*/
public function robot()
{
return $this->robot;
}
// --------------------------------------------------------------------
/**
* Get the Mobile Device
*
* @access public
* @return string
*/
public function mobile()
{
return $this->mobile;
}
// --------------------------------------------------------------------
/**
* Get the referrer
*
* @access public
* @return bool
*/
public function referrer()
{
return ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? '' : trim($_SERVER['HTTP_REFERER']);
}
// --------------------------------------------------------------------
/**
* Get the accepted languages
*
* @access public
* @return array
*/
public function languages()
{
if (count($this->languages) == 0)
{
$this->_set_languages();
}
return $this->languages;
}
// --------------------------------------------------------------------
/**
* Get the accepted Character Sets
*
* @access public
* @return array
*/
public function charsets()
{
if (count($this->charsets) == 0)
{
$this->_set_charsets();
}
return $this->charsets;
}
// --------------------------------------------------------------------
/**
* Test for a particular language
*
* @access public
* @return bool
*/
public function accept_lang($lang = 'en')
{
return (in_array(strtolower($lang), $this->languages(), TRUE));
}
// --------------------------------------------------------------------
/**
* Test for a particular character set
*
* @access public
* @return bool
*/
public function accept_charset($charset = 'utf-8')
{
return (in_array(strtolower($charset), $this->charsets(), TRUE));
}
}
/* End of file User_agent.php */
/* Location: ./system/libraries/User_agent.php */ | 069h-course-management | trunk/ci/system/libraries/User_agent.php | PHP | mit | 10,508 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* File Uploading Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Uploads
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/file_uploading.html
*/
class CI_Upload {
public $max_size = 0;
public $max_width = 0;
public $max_height = 0;
public $max_filename = 0;
public $allowed_types = "";
public $file_temp = "";
public $file_name = "";
public $orig_name = "";
public $file_type = "";
public $file_size = "";
public $file_ext = "";
public $upload_path = "";
public $overwrite = FALSE;
public $encrypt_name = FALSE;
public $is_image = FALSE;
public $image_width = '';
public $image_height = '';
public $image_type = '';
public $image_size_str = '';
public $error_msg = array();
public $mimes = array();
public $remove_spaces = TRUE;
public $xss_clean = FALSE;
public $temp_prefix = "temp_file_";
public $client_name = '';
protected $_file_name_override = '';
/**
* Constructor
*
* @access public
*/
public function __construct($props = array())
{
if (count($props) > 0)
{
$this->initialize($props);
}
log_message('debug', "Upload Class Initialized");
}
// --------------------------------------------------------------------
/**
* Initialize preferences
*
* @param array
* @return void
*/
public function initialize($config = array())
{
$defaults = array(
'max_size' => 0,
'max_width' => 0,
'max_height' => 0,
'max_filename' => 0,
'allowed_types' => "",
'file_temp' => "",
'file_name' => "",
'orig_name' => "",
'file_type' => "",
'file_size' => "",
'file_ext' => "",
'upload_path' => "",
'overwrite' => FALSE,
'encrypt_name' => FALSE,
'is_image' => FALSE,
'image_width' => '',
'image_height' => '',
'image_type' => '',
'image_size_str' => '',
'error_msg' => array(),
'mimes' => array(),
'remove_spaces' => TRUE,
'xss_clean' => FALSE,
'temp_prefix' => "temp_file_",
'client_name' => ''
);
foreach ($defaults as $key => $val)
{
if (isset($config[$key]))
{
$method = 'set_'.$key;
if (method_exists($this, $method))
{
$this->$method($config[$key]);
}
else
{
$this->$key = $config[$key];
}
}
else
{
$this->$key = $val;
}
}
// if a file_name was provided in the config, use it instead of the user input
// supplied file name for all uploads until initialized again
$this->_file_name_override = $this->file_name;
}
// --------------------------------------------------------------------
/**
* Perform the file upload
*
* @return bool
*/
public function do_upload($field = 'userfile')
{
// Is $_FILES[$field] set? If not, no reason to continue.
if ( ! isset($_FILES[$field]))
{
$this->set_error('upload_no_file_selected');
return FALSE;
}
// Is the upload path valid?
if ( ! $this->validate_upload_path())
{
// errors will already be set by validate_upload_path() so just return FALSE
return FALSE;
}
// Was the file able to be uploaded? If not, determine the reason why.
if ( ! is_uploaded_file($_FILES[$field]['tmp_name']))
{
$error = ( ! isset($_FILES[$field]['error'])) ? 4 : $_FILES[$field]['error'];
switch($error)
{
case 1: // UPLOAD_ERR_INI_SIZE
$this->set_error('upload_file_exceeds_limit');
break;
case 2: // UPLOAD_ERR_FORM_SIZE
$this->set_error('upload_file_exceeds_form_limit');
break;
case 3: // UPLOAD_ERR_PARTIAL
$this->set_error('upload_file_partial');
break;
case 4: // UPLOAD_ERR_NO_FILE
$this->set_error('upload_no_file_selected');
break;
case 6: // UPLOAD_ERR_NO_TMP_DIR
$this->set_error('upload_no_temp_directory');
break;
case 7: // UPLOAD_ERR_CANT_WRITE
$this->set_error('upload_unable_to_write_file');
break;
case 8: // UPLOAD_ERR_EXTENSION
$this->set_error('upload_stopped_by_extension');
break;
default : $this->set_error('upload_no_file_selected');
break;
}
return FALSE;
}
// Set the uploaded data as class variables
$this->file_temp = $_FILES[$field]['tmp_name'];
$this->file_size = $_FILES[$field]['size'];
$this->_file_mime_type($_FILES[$field]);
$this->file_type = preg_replace("/^(.+?);.*$/", "\\1", $this->file_type);
$this->file_type = strtolower(trim(stripslashes($this->file_type), '"'));
$this->file_name = $this->_prep_filename($_FILES[$field]['name']);
$this->file_ext = $this->get_extension($this->file_name);
$this->client_name = $this->file_name;
// Is the file type allowed to be uploaded?
if ( ! $this->is_allowed_filetype())
{
$this->set_error('upload_invalid_filetype');
return FALSE;
}
// if we're overriding, let's now make sure the new name and type is allowed
if ($this->_file_name_override != '')
{
$this->file_name = $this->_prep_filename($this->_file_name_override);
// If no extension was provided in the file_name config item, use the uploaded one
if (strpos($this->_file_name_override, '.') === FALSE)
{
$this->file_name .= $this->file_ext;
}
// An extension was provided, lets have it!
else
{
$this->file_ext = $this->get_extension($this->_file_name_override);
}
if ( ! $this->is_allowed_filetype(TRUE))
{
$this->set_error('upload_invalid_filetype');
return FALSE;
}
}
// Convert the file size to kilobytes
if ($this->file_size > 0)
{
$this->file_size = round($this->file_size/1024, 2);
}
// Is the file size within the allowed maximum?
if ( ! $this->is_allowed_filesize())
{
$this->set_error('upload_invalid_filesize');
return FALSE;
}
// Are the image dimensions within the allowed size?
// Note: This can fail if the server has an open_basdir restriction.
if ( ! $this->is_allowed_dimensions())
{
$this->set_error('upload_invalid_dimensions');
return FALSE;
}
// Sanitize the file name for security
$this->file_name = $this->clean_file_name($this->file_name);
// Truncate the file name if it's too long
if ($this->max_filename > 0)
{
$this->file_name = $this->limit_filename_length($this->file_name, $this->max_filename);
}
// Remove white spaces in the name
if ($this->remove_spaces == TRUE)
{
$this->file_name = preg_replace("/\s+/", "_", $this->file_name);
}
/*
* Validate the file name
* This function appends an number onto the end of
* the file if one with the same name already exists.
* If it returns false there was a problem.
*/
$this->orig_name = $this->file_name;
if ($this->overwrite == FALSE)
{
$this->file_name = $this->set_filename($this->upload_path, $this->file_name);
if ($this->file_name === FALSE)
{
return FALSE;
}
}
/*
* Run the file through the XSS hacking filter
* This helps prevent malicious code from being
* embedded within a file. Scripts can easily
* be disguised as images or other file types.
*/
if ($this->xss_clean)
{
if ($this->do_xss_clean() === FALSE)
{
$this->set_error('upload_unable_to_write_file');
return FALSE;
}
}
/*
* Move the file to the final destination
* To deal with different server configurations
* we'll attempt to use copy() first. If that fails
* we'll use move_uploaded_file(). One of the two should
* reliably work in most environments
*/
if ( ! @copy($this->file_temp, $this->upload_path.$this->file_name))
{
if ( ! @move_uploaded_file($this->file_temp, $this->upload_path.$this->file_name))
{
$this->set_error('upload_destination_error');
return FALSE;
}
}
/*
* Set the finalized image dimensions
* This sets the image width/height (assuming the
* file was an image). We use this information
* in the "data" function.
*/
$this->set_image_properties($this->upload_path.$this->file_name);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Finalized Data Array
*
* Returns an associative array containing all of the information
* related to the upload, allowing the developer easy access in one array.
*
* @return array
*/
public function data()
{
return array (
'file_name' => $this->file_name,
'file_type' => $this->file_type,
'file_path' => $this->upload_path,
'full_path' => $this->upload_path.$this->file_name,
'raw_name' => str_replace($this->file_ext, '', $this->file_name),
'orig_name' => $this->orig_name,
'client_name' => $this->client_name,
'file_ext' => $this->file_ext,
'file_size' => $this->file_size,
'is_image' => $this->is_image(),
'image_width' => $this->image_width,
'image_height' => $this->image_height,
'image_type' => $this->image_type,
'image_size_str' => $this->image_size_str,
);
}
// --------------------------------------------------------------------
/**
* Set Upload Path
*
* @param string
* @return void
*/
public function set_upload_path($path)
{
// Make sure it has a trailing slash
$this->upload_path = rtrim($path, '/').'/';
}
// --------------------------------------------------------------------
/**
* Set the file name
*
* This function takes a filename/path as input and looks for the
* existence of a file with the same name. If found, it will append a
* number to the end of the filename to avoid overwriting a pre-existing file.
*
* @param string
* @param string
* @return string
*/
public function set_filename($path, $filename)
{
if ($this->encrypt_name == TRUE)
{
mt_srand();
$filename = md5(uniqid(mt_rand())).$this->file_ext;
}
if ( ! file_exists($path.$filename))
{
return $filename;
}
$filename = str_replace($this->file_ext, '', $filename);
$new_filename = '';
for ($i = 1; $i < 100; $i++)
{
if ( ! file_exists($path.$filename.$i.$this->file_ext))
{
$new_filename = $filename.$i.$this->file_ext;
break;
}
}
if ($new_filename == '')
{
$this->set_error('upload_bad_filename');
return FALSE;
}
else
{
return $new_filename;
}
}
// --------------------------------------------------------------------
/**
* Set Maximum File Size
*
* @param integer
* @return void
*/
public function set_max_filesize($n)
{
$this->max_size = ((int) $n < 0) ? 0: (int) $n;
}
// --------------------------------------------------------------------
/**
* Set Maximum File Name Length
*
* @param integer
* @return void
*/
public function set_max_filename($n)
{
$this->max_filename = ((int) $n < 0) ? 0: (int) $n;
}
// --------------------------------------------------------------------
/**
* Set Maximum Image Width
*
* @param integer
* @return void
*/
public function set_max_width($n)
{
$this->max_width = ((int) $n < 0) ? 0: (int) $n;
}
// --------------------------------------------------------------------
/**
* Set Maximum Image Height
*
* @param integer
* @return void
*/
public function set_max_height($n)
{
$this->max_height = ((int) $n < 0) ? 0: (int) $n;
}
// --------------------------------------------------------------------
/**
* Set Allowed File Types
*
* @param string
* @return void
*/
public function set_allowed_types($types)
{
if ( ! is_array($types) && $types == '*')
{
$this->allowed_types = '*';
return;
}
$this->allowed_types = explode('|', $types);
}
// --------------------------------------------------------------------
/**
* Set Image Properties
*
* Uses GD to determine the width/height/type of image
*
* @param string
* @return void
*/
public function set_image_properties($path = '')
{
if ( ! $this->is_image())
{
return;
}
if (function_exists('getimagesize'))
{
if (FALSE !== ($D = @getimagesize($path)))
{
$types = array(1 => 'gif', 2 => 'jpeg', 3 => 'png');
$this->image_width = $D['0'];
$this->image_height = $D['1'];
$this->image_type = ( ! isset($types[$D['2']])) ? 'unknown' : $types[$D['2']];
$this->image_size_str = $D['3']; // string containing height and width
}
}
}
// --------------------------------------------------------------------
/**
* Set XSS Clean
*
* Enables the XSS flag so that the file that was uploaded
* will be run through the XSS filter.
*
* @param bool
* @return void
*/
public function set_xss_clean($flag = FALSE)
{
$this->xss_clean = ($flag == TRUE) ? TRUE : FALSE;
}
// --------------------------------------------------------------------
/**
* Validate the image
*
* @return bool
*/
public function is_image()
{
// IE will sometimes return odd mime-types during upload, so here we just standardize all
// jpegs or pngs to the same file type.
$png_mimes = array('image/x-png');
$jpeg_mimes = array('image/jpg', 'image/jpe', 'image/jpeg', 'image/pjpeg');
if (in_array($this->file_type, $png_mimes))
{
$this->file_type = 'image/png';
}
if (in_array($this->file_type, $jpeg_mimes))
{
$this->file_type = 'image/jpeg';
}
$img_mimes = array(
'image/gif',
'image/jpeg',
'image/png',
);
return (in_array($this->file_type, $img_mimes, TRUE)) ? TRUE : FALSE;
}
// --------------------------------------------------------------------
/**
* Verify that the filetype is allowed
*
* @return bool
*/
public function is_allowed_filetype($ignore_mime = FALSE)
{
if ($this->allowed_types == '*')
{
return TRUE;
}
if (count($this->allowed_types) == 0 OR ! is_array($this->allowed_types))
{
$this->set_error('upload_no_file_types');
return FALSE;
}
$ext = strtolower(ltrim($this->file_ext, '.'));
if ( ! in_array($ext, $this->allowed_types))
{
return FALSE;
}
// Images get some additional checks
$image_types = array('gif', 'jpg', 'jpeg', 'png', 'jpe');
if (in_array($ext, $image_types))
{
if (getimagesize($this->file_temp) === FALSE)
{
return FALSE;
}
}
if ($ignore_mime === TRUE)
{
return TRUE;
}
$mime = $this->mimes_types($ext);
if (is_array($mime))
{
if (in_array($this->file_type, $mime, TRUE))
{
return TRUE;
}
}
elseif ($mime == $this->file_type)
{
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Verify that the file is within the allowed size
*
* @return bool
*/
public function is_allowed_filesize()
{
if ($this->max_size != 0 AND $this->file_size > $this->max_size)
{
return FALSE;
}
else
{
return TRUE;
}
}
// --------------------------------------------------------------------
/**
* Verify that the image is within the allowed width/height
*
* @return bool
*/
public function is_allowed_dimensions()
{
if ( ! $this->is_image())
{
return TRUE;
}
if (function_exists('getimagesize'))
{
$D = @getimagesize($this->file_temp);
if ($this->max_width > 0 AND $D['0'] > $this->max_width)
{
return FALSE;
}
if ($this->max_height > 0 AND $D['1'] > $this->max_height)
{
return FALSE;
}
return TRUE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Validate Upload Path
*
* Verifies that it is a valid upload path with proper permissions.
*
*
* @return bool
*/
public function validate_upload_path()
{
if ($this->upload_path == '')
{
$this->set_error('upload_no_filepath');
return FALSE;
}
if (function_exists('realpath') AND @realpath($this->upload_path) !== FALSE)
{
$this->upload_path = str_replace("\\", "/", realpath($this->upload_path));
}
if ( ! @is_dir($this->upload_path))
{
$this->set_error('upload_no_filepath');
return FALSE;
}
if ( ! is_really_writable($this->upload_path))
{
$this->set_error('upload_not_writable');
return FALSE;
}
$this->upload_path = preg_replace("/(.+?)\/*$/", "\\1/", $this->upload_path);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Extract the file extension
*
* @param string
* @return string
*/
public function get_extension($filename)
{
$x = explode('.', $filename);
return '.'.end($x);
}
// --------------------------------------------------------------------
/**
* Clean the file name for security
*
* @param string
* @return string
*/
public function clean_file_name($filename)
{
$bad = array(
"<!--",
"-->",
"'",
"<",
">",
'"',
'&',
'$',
'=',
';',
'?',
'/',
"%20",
"%22",
"%3c", // <
"%253c", // <
"%3e", // >
"%0e", // >
"%28", // (
"%29", // )
"%2528", // (
"%26", // &
"%24", // $
"%3f", // ?
"%3b", // ;
"%3d" // =
);
$filename = str_replace($bad, '', $filename);
return stripslashes($filename);
}
// --------------------------------------------------------------------
/**
* Limit the File Name Length
*
* @param string
* @return string
*/
public function limit_filename_length($filename, $length)
{
if (strlen($filename) < $length)
{
return $filename;
}
$ext = '';
if (strpos($filename, '.') !== FALSE)
{
$parts = explode('.', $filename);
$ext = '.'.array_pop($parts);
$filename = implode('.', $parts);
}
return substr($filename, 0, ($length - strlen($ext))).$ext;
}
// --------------------------------------------------------------------
/**
* Runs the file through the XSS clean function
*
* This prevents people from embedding malicious code in their files.
* I'm not sure that it won't negatively affect certain files in unexpected ways,
* but so far I haven't found that it causes trouble.
*
* @return void
*/
public function do_xss_clean()
{
$file = $this->file_temp;
if (filesize($file) == 0)
{
return FALSE;
}
if (function_exists('memory_get_usage') && memory_get_usage() && ini_get('memory_limit') != '')
{
$current = ini_get('memory_limit') * 1024 * 1024;
// There was a bug/behavioural change in PHP 5.2, where numbers over one million get output
// into scientific notation. number_format() ensures this number is an integer
// http://bugs.php.net/bug.php?id=43053
$new_memory = number_format(ceil(filesize($file) + $current), 0, '.', '');
ini_set('memory_limit', $new_memory); // When an integer is used, the value is measured in bytes. - PHP.net
}
// If the file being uploaded is an image, then we should have no problem with XSS attacks (in theory), but
// IE can be fooled into mime-type detecting a malformed image as an html file, thus executing an XSS attack on anyone
// using IE who looks at the image. It does this by inspecting the first 255 bytes of an image. To get around this
// CI will itself look at the first 255 bytes of an image to determine its relative safety. This can save a lot of
// processor power and time if it is actually a clean image, as it will be in nearly all instances _except_ an
// attempted XSS attack.
if (function_exists('getimagesize') && @getimagesize($file) !== FALSE)
{
if (($file = @fopen($file, 'rb')) === FALSE) // "b" to force binary
{
return FALSE; // Couldn't open the file, return FALSE
}
$opening_bytes = fread($file, 256);
fclose($file);
// These are known to throw IE into mime-type detection chaos
// <a, <body, <head, <html, <img, <plaintext, <pre, <script, <table, <title
// title is basically just in SVG, but we filter it anyhow
if ( ! preg_match('/<(a|body|head|html|img|plaintext|pre|script|table|title)[\s>]/i', $opening_bytes))
{
return TRUE; // its an image, no "triggers" detected in the first 256 bytes, we're good
}
else
{
return FALSE;
}
}
if (($data = @file_get_contents($file)) === FALSE)
{
return FALSE;
}
$CI =& get_instance();
return $CI->security->xss_clean($data, TRUE);
}
// --------------------------------------------------------------------
/**
* Set an error message
*
* @param string
* @return void
*/
public function set_error($msg)
{
$CI =& get_instance();
$CI->lang->load('upload');
if (is_array($msg))
{
foreach ($msg as $val)
{
$msg = ($CI->lang->line($val) == FALSE) ? $val : $CI->lang->line($val);
$this->error_msg[] = $msg;
log_message('error', $msg);
}
}
else
{
$msg = ($CI->lang->line($msg) == FALSE) ? $msg : $CI->lang->line($msg);
$this->error_msg[] = $msg;
log_message('error', $msg);
}
}
// --------------------------------------------------------------------
/**
* Display the error message
*
* @param string
* @param string
* @return string
*/
public function display_errors($open = '<p>', $close = '</p>')
{
$str = '';
foreach ($this->error_msg as $val)
{
$str .= $open.$val.$close;
}
return $str;
}
// --------------------------------------------------------------------
/**
* List of Mime Types
*
* This is a list of mime types. We use it to validate
* the "allowed types" set by the developer
*
* @param string
* @return string
*/
public function mimes_types($mime)
{
global $mimes;
if (count($this->mimes) == 0)
{
if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php');
}
elseif (is_file(APPPATH.'config/mimes.php'))
{
include(APPPATH.'config//mimes.php');
}
else
{
return FALSE;
}
$this->mimes = $mimes;
unset($mimes);
}
return ( ! isset($this->mimes[$mime])) ? FALSE : $this->mimes[$mime];
}
// --------------------------------------------------------------------
/**
* Prep Filename
*
* Prevents possible script execution from Apache's handling of files multiple extensions
* http://httpd.apache.org/docs/1.3/mod/mod_mime.html#multipleext
*
* @param string
* @return string
*/
protected function _prep_filename($filename)
{
if (strpos($filename, '.') === FALSE OR $this->allowed_types == '*')
{
return $filename;
}
$parts = explode('.', $filename);
$ext = array_pop($parts);
$filename = array_shift($parts);
foreach ($parts as $part)
{
if ( ! in_array(strtolower($part), $this->allowed_types) OR $this->mimes_types(strtolower($part)) === FALSE)
{
$filename .= '.'.$part.'_';
}
else
{
$filename .= '.'.$part;
}
}
$filename .= '.'.$ext;
return $filename;
}
// --------------------------------------------------------------------
/**
* File MIME type
*
* Detects the (actual) MIME type of the uploaded file, if possible.
* The input array is expected to be $_FILES[$field]
*
* @param array
* @return void
*/
protected function _file_mime_type($file)
{
// We'll need this to validate the MIME info string (e.g. text/plain; charset=us-ascii)
$regexp = '/^([a-z\-]+\/[a-z0-9\-\.\+]+)(;\s.+)?$/';
/* Fileinfo extension - most reliable method
*
* Unfortunately, prior to PHP 5.3 - it's only available as a PECL extension and the
* more convenient FILEINFO_MIME_TYPE flag doesn't exist.
*/
if (function_exists('finfo_file'))
{
$finfo = finfo_open(FILEINFO_MIME);
if (is_resource($finfo)) // It is possible that a FALSE value is returned, if there is no magic MIME database file found on the system
{
$mime = @finfo_file($finfo, $file['tmp_name']);
finfo_close($finfo);
/* According to the comments section of the PHP manual page,
* it is possible that this function returns an empty string
* for some files (e.g. if they don't exist in the magic MIME database)
*/
if (is_string($mime) && preg_match($regexp, $mime, $matches))
{
$this->file_type = $matches[1];
return;
}
}
}
/* This is an ugly hack, but UNIX-type systems provide a "native" way to detect the file type,
* which is still more secure than depending on the value of $_FILES[$field]['type'], and as it
* was reported in issue #750 (https://github.com/EllisLab/CodeIgniter/issues/750) - it's better
* than mime_content_type() as well, hence the attempts to try calling the command line with
* three different functions.
*
* Notes:
* - the DIRECTORY_SEPARATOR comparison ensures that we're not on a Windows system
* - many system admins would disable the exec(), shell_exec(), popen() and similar functions
* due to security concerns, hence the function_exists() checks
*/
if (DIRECTORY_SEPARATOR !== '\\')
{
$cmd = 'file --brief --mime ' . escapeshellarg($file['tmp_name']) . ' 2>&1';
if (function_exists('exec'))
{
/* This might look confusing, as $mime is being populated with all of the output when set in the second parameter.
* However, we only neeed the last line, which is the actual return value of exec(), and as such - it overwrites
* anything that could already be set for $mime previously. This effectively makes the second parameter a dummy
* value, which is only put to allow us to get the return status code.
*/
$mime = @exec($cmd, $mime, $return_status);
if ($return_status === 0 && is_string($mime) && preg_match($regexp, $mime, $matches))
{
$this->file_type = $matches[1];
return;
}
}
if ( (bool) @ini_get('safe_mode') === FALSE && function_exists('shell_exec'))
{
$mime = @shell_exec($cmd);
if (strlen($mime) > 0)
{
$mime = explode("\n", trim($mime));
if (preg_match($regexp, $mime[(count($mime) - 1)], $matches))
{
$this->file_type = $matches[1];
return;
}
}
}
if (function_exists('popen'))
{
$proc = @popen($cmd, 'r');
if (is_resource($proc))
{
$mime = @fread($proc, 512);
@pclose($proc);
if ($mime !== FALSE)
{
$mime = explode("\n", trim($mime));
if (preg_match($regexp, $mime[(count($mime) - 1)], $matches))
{
$this->file_type = $matches[1];
return;
}
}
}
}
}
// Fall back to the deprecated mime_content_type(), if available (still better than $_FILES[$field]['type'])
if (function_exists('mime_content_type'))
{
$this->file_type = @mime_content_type($file['tmp_name']);
if (strlen($this->file_type) > 0) // It's possible that mime_content_type() returns FALSE or an empty string
{
return;
}
}
$this->file_type = $file['type'];
}
// --------------------------------------------------------------------
}
// END Upload Class
/* End of file Upload.php */
/* Location: ./system/libraries/Upload.php */
| 069h-course-management | trunk/ci/system/libraries/Upload.php | PHP | mit | 27,548 |