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| /** | |
| * Read a query parameter | |
| * If this parameter is not specified, return the default value | |
| * Remove magic quotes, if they're enabled | |
| * | |
| */ | |
| function get_var($name, $array, $maxlength=255, $default=null) { | |
| /** | |
| * Check if this parameter is specified | |
| */ | |
| if (!isset($array[$name])) { return $default; }; | |
| /** | |
| * Read initial value of parameter | |
| */ | |
| $data = $array[$name]; | |
| if (is_array($data)) { | |
| /** | |
| * Arrays should be processed element-by-element | |
| */ | |
| if (get_magic_quotes_gpc()) { | |
| foreach ($data as $key => $value) { | |
| $data[$key] = stripslashes($data[$key]); | |
| }; | |
| }; | |
| } else { | |
| /** | |
| * Remove slashes added by magic quotes option | |
| */ | |
| if (get_magic_quotes_gpc()) { | |
| $data = stripslashes($data); | |
| }; | |
| /** | |
| * Limit maximal length of passed data | |
| */ | |
| $data = substr($data, 0, $maxlength); | |
| }; | |
| return $data; | |
| } | |