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Translate this program into PHP but keep the logic exactly as in Python.
>>> class MyClassName: __private = 123 non_private = __private * 2 >>> mine = MyClassName() >>> mine.non_private 246 >>> mine.__private Traceback (most recent call last): File "<pyshell mine.__private AttributeError: 'MyClassName' object has no attribute '__private' >>> mine._MyClassName__private 123 >>>
<?php class SimpleClass { private $answer = "hello\"world\nforever :)"; } $class = new SimpleClass; ob_start(); var_export($class); $class_content = ob_get_clean(); $class_content = preg_replace('"^SimpleClass::__set_state\("', 'return ', $class_content); $class_content = preg_replace('"\)$"', ';', $class_content); $new_class = eval($class_content); echo $new_class['answer'];
Keep all operations the same but rewrite the snippet in PHP.
import pickle class Entity: def __init__(self): self.name = "Entity" def printName(self): print self.name class Person(Entity): def __init__(self): self.name = "Cletus" instance1 = Person() instance1.printName() instance2 = Entity() instance2.printName() target = file("objects.dat", "w") pickle.dump((instance1, instance2), target) target.close() print "Serialized..." target = file("objects.dat") i1, i2 = pickle.load(target) print "Unserialized..." i1.printName() i2.printName()
$myObj = new Object(); $serializedObj = serialize($myObj);
Generate an equivalent PHP version of this Python code.
import pickle class Entity: def __init__(self): self.name = "Entity" def printName(self): print self.name class Person(Entity): def __init__(self): self.name = "Cletus" instance1 = Person() instance1.printName() instance2 = Entity() instance2.printName() target = file("objects.dat", "w") pickle.dump((instance1, instance2), target) target.close() print "Serialized..." target = file("objects.dat") i1, i2 = pickle.load(target) print "Unserialized..." i1.printName() i2.printName()
$myObj = new Object(); $serializedObj = serialize($myObj);
Write the same code in PHP as shown below in Python.
import pickle class Entity: def __init__(self): self.name = "Entity" def printName(self): print self.name class Person(Entity): def __init__(self): self.name = "Cletus" instance1 = Person() instance1.printName() instance2 = Entity() instance2.printName() target = file("objects.dat", "w") pickle.dump((instance1, instance2), target) target.close() print "Serialized..." target = file("objects.dat") i1, i2 = pickle.load(target) print "Unserialized..." i1.printName() i2.printName()
$myObj = new Object(); $serializedObj = serialize($myObj);
Preserve the algorithm and functionality while converting the code from Python to PHP.
from datetime import date def longYear(y): return 52 < date(y, 12, 28).isocalendar()[1] def main(): for year in [ x for x in range(2000, 1 + 2100) if longYear(x) ]: print(year) if __name__ == '__main__': main()
function isLongYear($year) { return (53 == strftime('%V', gmmktime(0,0,0,12,28,$year))); } for ($y=1995; $y<=2045; ++$y) { if (isLongYear($y)) { printf("%s\n", $y); } }
Transform the following Python implementation into PHP, maintaining the same output and logic.
from datetime import date def longYear(y): return 52 < date(y, 12, 28).isocalendar()[1] def main(): for year in [ x for x in range(2000, 1 + 2100) if longYear(x) ]: print(year) if __name__ == '__main__': main()
function isLongYear($year) { return (53 == strftime('%V', gmmktime(0,0,0,12,28,$year))); } for ($y=1995; $y<=2045; ++$y) { if (isLongYear($y)) { printf("%s\n", $y); } }
Generate an equivalent PHP version of this Python code.
from datetime import date def longYear(y): return 52 < date(y, 12, 28).isocalendar()[1] def main(): for year in [ x for x in range(2000, 1 + 2100) if longYear(x) ]: print(year) if __name__ == '__main__': main()
function isLongYear($year) { return (53 == strftime('%V', gmmktime(0,0,0,12,28,$year))); } for ($y=1995; $y<=2045; ++$y) { if (isLongYear($y)) { printf("%s\n", $y); } }
Maintain the same structure and functionality when rewriting this code in PHP.
base = {"name":"Rocket Skates", "price":12.75, "color":"yellow"} update = {"price":15.25, "color":"red", "year":1974} result = {**base, **update} print(result)
<? $base = array("name" => "Rocket Skates", "price" => 12.75, "color" => "yellow"); $update = array("price" => 15.25, "color" => "red", "year" => 1974); $result = $update + $base; // Notice that the order is reversed print_r($result); ?>
Write a version of this Python function in PHP with identical behavior.
base = {"name":"Rocket Skates", "price":12.75, "color":"yellow"} update = {"price":15.25, "color":"red", "year":1974} result = {**base, **update} print(result)
<? $base = array("name" => "Rocket Skates", "price" => 12.75, "color" => "yellow"); $update = array("price" => 15.25, "color" => "red", "year" => 1974); $result = $update + $base; // Notice that the order is reversed print_r($result); ?>
Write a version of this Python function in PHP with identical behavior.
base = {"name":"Rocket Skates", "price":12.75, "color":"yellow"} update = {"price":15.25, "color":"red", "year":1974} result = {**base, **update} print(result)
<? $base = array("name" => "Rocket Skates", "price" => 12.75, "color" => "yellow"); $update = array("price" => 15.25, "color" => "red", "year" => 1974); $result = $update + $base; // Notice that the order is reversed print_r($result); ?>
Translate this program into PHP but keep the logic exactly as in Python.
base = {"name":"Rocket Skates", "price":12.75, "color":"yellow"} update = {"price":15.25, "color":"red", "year":1974} result = {**base, **update} print(result)
<? $base = array("name" => "Rocket Skates", "price" => 12.75, "color" => "yellow"); $update = array("price" => 15.25, "color" => "red", "year" => 1974); $result = $update + $base; // Notice that the order is reversed print_r($result); ?>
Generate a PHP translation of this Python snippet without changing its computational steps.
base = {"name":"Rocket Skates", "price":12.75, "color":"yellow"} update = {"price":15.25, "color":"red", "year":1974} result = {**base, **update} print(result)
<? $base = array("name" => "Rocket Skates", "price" => 12.75, "color" => "yellow"); $update = array("price" => 15.25, "color" => "red", "year" => 1974); $result = $update + $base; // Notice that the order is reversed print_r($result); ?>
Generate an equivalent PHP version of this Python code.
base = {"name":"Rocket Skates", "price":12.75, "color":"yellow"} update = {"price":15.25, "color":"red", "year":1974} result = {**base, **update} print(result)
<? $base = array("name" => "Rocket Skates", "price" => 12.75, "color" => "yellow"); $update = array("price" => 15.25, "color" => "red", "year" => 1974); $result = $update + $base; // Notice that the order is reversed print_r($result); ?>
Generate an equivalent PHP version of this Python code.
import random, sys def makerule(data, context): rule = {} words = data.split(' ') index = context for word in words[index:]: key = ' '.join(words[index-context:index]) if key in rule: rule[key].append(word) else: rule[key] = [word] index += 1 return rule def makestring(rule, length): oldwords = random.choice(list(rule.keys())).split(' ') string = ' '.join(oldwords) + ' ' for i in range(length): try: key = ' '.join(oldwords) newword = random.choice(rule[key]) string += newword + ' ' for word in range(len(oldwords)): oldwords[word] = oldwords[(word + 1) % len(oldwords)] oldwords[-1] = newword except KeyError: return string return string if __name__ == '__main__': with open(sys.argv[1], encoding='utf8') as f: data = f.read() rule = makerule(data, int(sys.argv[2])) string = makestring(rule, int(sys.argv[3])) print(string)
<?php function markovChainTextGenerator($text, $keySize, $maxWords) { $token = array(); $position = 0; $maxPosition = strlen($text); while ($position < $maxPosition) { if (preg_match('/^(\S+)/', substr($text, $position, 25), $matches)) { $token[] = $matches[1]; $position += strlen($matches[1]); } elseif (preg_match('/^(\s+)/', substr($text, $position, 25), $matches)) { $position += strlen($matches[1]); } else { die( 'Unknown token found at position ' . $position . ' : ' . substr($text, $position, 25) . '...' . PHP_EOL ); } } $dictionary = array(); for ($i = 0 ; $i < count($token) - $keySize ; $i++) { $prefix = ''; $separator = ''; for ($c = 0 ; $c < $keySize ; $c++) { $prefix .= $separator . $token[$i + $c]; $separator = '.'; } $dictionary[$prefix][] = $token[$i + $keySize]; } $rand = rand(0, count($token) - $keySize); $startToken = array(); for ($c = 0 ; $c < $keySize ; $c++) { array_push($startToken, $token[$rand + $c]); } $text = implode(' ', $startToken); $words = $keySize; do { $tokenKey = implode('.', $startToken); $rand = rand(0, count($dictionary[$tokenKey]) - 1); $newToken = $dictionary[$tokenKey][$rand]; $text .= ' ' . $newToken; $words++; array_shift($startToken); array_push($startToken, $newToken); } while($words < $maxWords); return $text; } srand(5678); $text = markovChainTextGenerator( file_get_contents(__DIR__ . '/inc/alice_oz.txt'), 3, 308 ); echo wordwrap($text, 100, PHP_EOL) . PHP_EOL;
Please provide an equivalent version of this Python code in PHP.
import random, sys def makerule(data, context): rule = {} words = data.split(' ') index = context for word in words[index:]: key = ' '.join(words[index-context:index]) if key in rule: rule[key].append(word) else: rule[key] = [word] index += 1 return rule def makestring(rule, length): oldwords = random.choice(list(rule.keys())).split(' ') string = ' '.join(oldwords) + ' ' for i in range(length): try: key = ' '.join(oldwords) newword = random.choice(rule[key]) string += newword + ' ' for word in range(len(oldwords)): oldwords[word] = oldwords[(word + 1) % len(oldwords)] oldwords[-1] = newword except KeyError: return string return string if __name__ == '__main__': with open(sys.argv[1], encoding='utf8') as f: data = f.read() rule = makerule(data, int(sys.argv[2])) string = makestring(rule, int(sys.argv[3])) print(string)
<?php function markovChainTextGenerator($text, $keySize, $maxWords) { $token = array(); $position = 0; $maxPosition = strlen($text); while ($position < $maxPosition) { if (preg_match('/^(\S+)/', substr($text, $position, 25), $matches)) { $token[] = $matches[1]; $position += strlen($matches[1]); } elseif (preg_match('/^(\s+)/', substr($text, $position, 25), $matches)) { $position += strlen($matches[1]); } else { die( 'Unknown token found at position ' . $position . ' : ' . substr($text, $position, 25) . '...' . PHP_EOL ); } } $dictionary = array(); for ($i = 0 ; $i < count($token) - $keySize ; $i++) { $prefix = ''; $separator = ''; for ($c = 0 ; $c < $keySize ; $c++) { $prefix .= $separator . $token[$i + $c]; $separator = '.'; } $dictionary[$prefix][] = $token[$i + $keySize]; } $rand = rand(0, count($token) - $keySize); $startToken = array(); for ($c = 0 ; $c < $keySize ; $c++) { array_push($startToken, $token[$rand + $c]); } $text = implode(' ', $startToken); $words = $keySize; do { $tokenKey = implode('.', $startToken); $rand = rand(0, count($dictionary[$tokenKey]) - 1); $newToken = $dictionary[$tokenKey][$rand]; $text .= ' ' . $newToken; $words++; array_shift($startToken); array_push($startToken, $newToken); } while($words < $maxWords); return $text; } srand(5678); $text = markovChainTextGenerator( file_get_contents(__DIR__ . '/inc/alice_oz.txt'), 3, 308 ); echo wordwrap($text, 100, PHP_EOL) . PHP_EOL;
Translate this program into PHP but keep the logic exactly as in Python.
import random, sys def makerule(data, context): rule = {} words = data.split(' ') index = context for word in words[index:]: key = ' '.join(words[index-context:index]) if key in rule: rule[key].append(word) else: rule[key] = [word] index += 1 return rule def makestring(rule, length): oldwords = random.choice(list(rule.keys())).split(' ') string = ' '.join(oldwords) + ' ' for i in range(length): try: key = ' '.join(oldwords) newword = random.choice(rule[key]) string += newword + ' ' for word in range(len(oldwords)): oldwords[word] = oldwords[(word + 1) % len(oldwords)] oldwords[-1] = newword except KeyError: return string return string if __name__ == '__main__': with open(sys.argv[1], encoding='utf8') as f: data = f.read() rule = makerule(data, int(sys.argv[2])) string = makestring(rule, int(sys.argv[3])) print(string)
<?php function markovChainTextGenerator($text, $keySize, $maxWords) { $token = array(); $position = 0; $maxPosition = strlen($text); while ($position < $maxPosition) { if (preg_match('/^(\S+)/', substr($text, $position, 25), $matches)) { $token[] = $matches[1]; $position += strlen($matches[1]); } elseif (preg_match('/^(\s+)/', substr($text, $position, 25), $matches)) { $position += strlen($matches[1]); } else { die( 'Unknown token found at position ' . $position . ' : ' . substr($text, $position, 25) . '...' . PHP_EOL ); } } $dictionary = array(); for ($i = 0 ; $i < count($token) - $keySize ; $i++) { $prefix = ''; $separator = ''; for ($c = 0 ; $c < $keySize ; $c++) { $prefix .= $separator . $token[$i + $c]; $separator = '.'; } $dictionary[$prefix][] = $token[$i + $keySize]; } $rand = rand(0, count($token) - $keySize); $startToken = array(); for ($c = 0 ; $c < $keySize ; $c++) { array_push($startToken, $token[$rand + $c]); } $text = implode(' ', $startToken); $words = $keySize; do { $tokenKey = implode('.', $startToken); $rand = rand(0, count($dictionary[$tokenKey]) - 1); $newToken = $dictionary[$tokenKey][$rand]; $text .= ' ' . $newToken; $words++; array_shift($startToken); array_push($startToken, $newToken); } while($words < $maxWords); return $text; } srand(5678); $text = markovChainTextGenerator( file_get_contents(__DIR__ . '/inc/alice_oz.txt'), 3, 308 ); echo wordwrap($text, 100, PHP_EOL) . PHP_EOL;
Change the programming language of this snippet from Python to PHP without modifying what it does.
from collections import namedtuple, deque from pprint import pprint as pp inf = float('inf') Edge = namedtuple('Edge', ['start', 'end', 'cost']) class Graph(): def __init__(self, edges): self.edges = [Edge(*edge) for edge in edges] self.vertices = {e.start for e in self.edges} | {e.end for e in self.edges} def dijkstra(self, source, dest): assert source in self.vertices dist = {vertex: inf for vertex in self.vertices} previous = {vertex: None for vertex in self.vertices} dist[source] = 0 q = self.vertices.copy() neighbours = {vertex: set() for vertex in self.vertices} for start, end, cost in self.edges: neighbours[start].add((end, cost)) neighbours[end].add((start, cost)) while q: u = min(q, key=lambda vertex: dist[vertex]) q.remove(u) if dist[u] == inf or u == dest: break for v, cost in neighbours[u]: alt = dist[u] + cost if alt < dist[v]: dist[v] = alt previous[v] = u s, u = deque(), dest while previous[u]: s.appendleft(u) u = previous[u] s.appendleft(u) return s graph = Graph([("a", "b", 7), ("a", "c", 9), ("a", "f", 14), ("b", "c", 10), ("b", "d", 15), ("c", "d", 11), ("c", "f", 2), ("d", "e", 6), ("e", "f", 9)]) pp(graph.dijkstra("a", "e"))
<?php function dijkstra($graph_array, $source, $target) { $vertices = array(); $neighbours = array(); foreach ($graph_array as $edge) { array_push($vertices, $edge[0], $edge[1]); $neighbours[$edge[0]][] = array("end" => $edge[1], "cost" => $edge[2]); $neighbours[$edge[1]][] = array("end" => $edge[0], "cost" => $edge[2]); } $vertices = array_unique($vertices); foreach ($vertices as $vertex) { $dist[$vertex] = INF; $previous[$vertex] = NULL; } $dist[$source] = 0; $Q = $vertices; while (count($Q) > 0) { $min = INF; foreach ($Q as $vertex){ if ($dist[$vertex] < $min) { $min = $dist[$vertex]; $u = $vertex; } } $Q = array_diff($Q, array($u)); if ($dist[$u] == INF or $u == $target) { break; } if (isset($neighbours[$u])) { foreach ($neighbours[$u] as $arr) { $alt = $dist[$u] + $arr["cost"]; if ($alt < $dist[$arr["end"]]) { $dist[$arr["end"]] = $alt; $previous[$arr["end"]] = $u; } } } } $path = array(); $u = $target; while (isset($previous[$u])) { array_unshift($path, $u); $u = $previous[$u]; } array_unshift($path, $u); return $path; } $graph_array = array( array("a", "b", 7), array("a", "c", 9), array("a", "f", 14), array("b", "c", 10), array("b", "d", 15), array("c", "d", 11), array("c", "f", 2), array("d", "e", 6), array("e", "f", 9) ); $path = dijkstra($graph_array, "a", "e"); echo "path is: ".implode(", ", $path)."\n";
Port the following code from Python to PHP with equivalent syntax and logic.
from collections import namedtuple, deque from pprint import pprint as pp inf = float('inf') Edge = namedtuple('Edge', ['start', 'end', 'cost']) class Graph(): def __init__(self, edges): self.edges = [Edge(*edge) for edge in edges] self.vertices = {e.start for e in self.edges} | {e.end for e in self.edges} def dijkstra(self, source, dest): assert source in self.vertices dist = {vertex: inf for vertex in self.vertices} previous = {vertex: None for vertex in self.vertices} dist[source] = 0 q = self.vertices.copy() neighbours = {vertex: set() for vertex in self.vertices} for start, end, cost in self.edges: neighbours[start].add((end, cost)) neighbours[end].add((start, cost)) while q: u = min(q, key=lambda vertex: dist[vertex]) q.remove(u) if dist[u] == inf or u == dest: break for v, cost in neighbours[u]: alt = dist[u] + cost if alt < dist[v]: dist[v] = alt previous[v] = u s, u = deque(), dest while previous[u]: s.appendleft(u) u = previous[u] s.appendleft(u) return s graph = Graph([("a", "b", 7), ("a", "c", 9), ("a", "f", 14), ("b", "c", 10), ("b", "d", 15), ("c", "d", 11), ("c", "f", 2), ("d", "e", 6), ("e", "f", 9)]) pp(graph.dijkstra("a", "e"))
<?php function dijkstra($graph_array, $source, $target) { $vertices = array(); $neighbours = array(); foreach ($graph_array as $edge) { array_push($vertices, $edge[0], $edge[1]); $neighbours[$edge[0]][] = array("end" => $edge[1], "cost" => $edge[2]); $neighbours[$edge[1]][] = array("end" => $edge[0], "cost" => $edge[2]); } $vertices = array_unique($vertices); foreach ($vertices as $vertex) { $dist[$vertex] = INF; $previous[$vertex] = NULL; } $dist[$source] = 0; $Q = $vertices; while (count($Q) > 0) { $min = INF; foreach ($Q as $vertex){ if ($dist[$vertex] < $min) { $min = $dist[$vertex]; $u = $vertex; } } $Q = array_diff($Q, array($u)); if ($dist[$u] == INF or $u == $target) { break; } if (isset($neighbours[$u])) { foreach ($neighbours[$u] as $arr) { $alt = $dist[$u] + $arr["cost"]; if ($alt < $dist[$arr["end"]]) { $dist[$arr["end"]] = $alt; $previous[$arr["end"]] = $u; } } } } $path = array(); $u = $target; while (isset($previous[$u])) { array_unshift($path, $u); $u = $previous[$u]; } array_unshift($path, $u); return $path; } $graph_array = array( array("a", "b", 7), array("a", "c", 9), array("a", "f", 14), array("b", "c", 10), array("b", "d", 15), array("c", "d", 11), array("c", "f", 2), array("d", "e", 6), array("e", "f", 9) ); $path = dijkstra($graph_array, "a", "e"); echo "path is: ".implode(", ", $path)."\n";
Transform the following Python implementation into PHP, maintaining the same output and logic.
from collections import namedtuple, deque from pprint import pprint as pp inf = float('inf') Edge = namedtuple('Edge', ['start', 'end', 'cost']) class Graph(): def __init__(self, edges): self.edges = [Edge(*edge) for edge in edges] self.vertices = {e.start for e in self.edges} | {e.end for e in self.edges} def dijkstra(self, source, dest): assert source in self.vertices dist = {vertex: inf for vertex in self.vertices} previous = {vertex: None for vertex in self.vertices} dist[source] = 0 q = self.vertices.copy() neighbours = {vertex: set() for vertex in self.vertices} for start, end, cost in self.edges: neighbours[start].add((end, cost)) neighbours[end].add((start, cost)) while q: u = min(q, key=lambda vertex: dist[vertex]) q.remove(u) if dist[u] == inf or u == dest: break for v, cost in neighbours[u]: alt = dist[u] + cost if alt < dist[v]: dist[v] = alt previous[v] = u s, u = deque(), dest while previous[u]: s.appendleft(u) u = previous[u] s.appendleft(u) return s graph = Graph([("a", "b", 7), ("a", "c", 9), ("a", "f", 14), ("b", "c", 10), ("b", "d", 15), ("c", "d", 11), ("c", "f", 2), ("d", "e", 6), ("e", "f", 9)]) pp(graph.dijkstra("a", "e"))
<?php function dijkstra($graph_array, $source, $target) { $vertices = array(); $neighbours = array(); foreach ($graph_array as $edge) { array_push($vertices, $edge[0], $edge[1]); $neighbours[$edge[0]][] = array("end" => $edge[1], "cost" => $edge[2]); $neighbours[$edge[1]][] = array("end" => $edge[0], "cost" => $edge[2]); } $vertices = array_unique($vertices); foreach ($vertices as $vertex) { $dist[$vertex] = INF; $previous[$vertex] = NULL; } $dist[$source] = 0; $Q = $vertices; while (count($Q) > 0) { $min = INF; foreach ($Q as $vertex){ if ($dist[$vertex] < $min) { $min = $dist[$vertex]; $u = $vertex; } } $Q = array_diff($Q, array($u)); if ($dist[$u] == INF or $u == $target) { break; } if (isset($neighbours[$u])) { foreach ($neighbours[$u] as $arr) { $alt = $dist[$u] + $arr["cost"]; if ($alt < $dist[$arr["end"]]) { $dist[$arr["end"]] = $alt; $previous[$arr["end"]] = $u; } } } } $path = array(); $u = $target; while (isset($previous[$u])) { array_unshift($path, $u); $u = $previous[$u]; } array_unshift($path, $u); return $path; } $graph_array = array( array("a", "b", 7), array("a", "c", 9), array("a", "f", 14), array("b", "c", 10), array("b", "d", 15), array("c", "d", 11), array("c", "f", 2), array("d", "e", 6), array("e", "f", 9) ); $path = dijkstra($graph_array, "a", "e"); echo "path is: ".implode(", ", $path)."\n";
Rewrite this program in PHP while keeping its functionality equivalent to the Python version.
myDict = { "hello": 13, "world": 31, "!" : 71 } for key, value in myDict.items(): print ("key = %s, value = %s" % (key, value)) for key in myDict: print ("key = %s" % key) for key in myDict.keys(): print ("key = %s" % key) for value in myDict.values(): print ("value = %s" % value)
<?php $pairs = array( "hello" => 1, "world" => 2, "!" => 3 ); foreach($pairs as $k => $v) { echo "(k,v) = ($k, $v)\n"; } foreach(array_keys($pairs) as $key) { echo "key = $key, value = $pairs[$key]\n"; } foreach($pairs as $value) { echo "values = $value\n"; } ?>
Port the following code from Python to PHP with equivalent syntax and logic.
myDict = { "hello": 13, "world": 31, "!" : 71 } for key, value in myDict.items(): print ("key = %s, value = %s" % (key, value)) for key in myDict: print ("key = %s" % key) for key in myDict.keys(): print ("key = %s" % key) for value in myDict.values(): print ("value = %s" % value)
<?php $pairs = array( "hello" => 1, "world" => 2, "!" => 3 ); foreach($pairs as $k => $v) { echo "(k,v) = ($k, $v)\n"; } foreach(array_keys($pairs) as $key) { echo "key = $key, value = $pairs[$key]\n"; } foreach($pairs as $value) { echo "values = $value\n"; } ?>
Can you help me rewrite this code in PHP instead of Python, keeping it the same logically?
myDict = { "hello": 13, "world": 31, "!" : 71 } for key, value in myDict.items(): print ("key = %s, value = %s" % (key, value)) for key in myDict: print ("key = %s" % key) for key in myDict.keys(): print ("key = %s" % key) for value in myDict.values(): print ("value = %s" % value)
<?php $pairs = array( "hello" => 1, "world" => 2, "!" => 3 ); foreach($pairs as $k => $v) { echo "(k,v) = ($k, $v)\n"; } foreach(array_keys($pairs) as $key) { echo "key = $key, value = $pairs[$key]\n"; } foreach($pairs as $value) { echo "values = $value\n"; } ?>
Ensure the translated PHP code behaves exactly like the original Python snippet.
print()
$address = <<<END 1, High Street, $town_name, West Midlands. WM4 5HD. END;
Generate an equivalent PHP version of this Python code.
print()
$address = <<<END 1, High Street, $town_name, West Midlands. WM4 5HD. END;
Rewrite this program in PHP while keeping its functionality equivalent to the Python version.
print()
$address = <<<END 1, High Street, $town_name, West Midlands. WM4 5HD. END;
Change the following Python code into PHP without altering its purpose.
print()
$address = <<<END 1, High Street, $town_name, West Midlands. WM4 5HD. END;
Write the same algorithm in PHP as shown in this Python implementation.
print()
$address = <<<END 1, High Street, $town_name, West Midlands. WM4 5HD. END;
Maintain the same structure and functionality when rewriting this code in PHP.
print()
$address = <<<END 1, High Street, $town_name, West Midlands. WM4 5HD. END;
Rewrite this program in PHP while keeping its functionality equivalent to the Python version.
from collections import defaultdict def hashJoin(table1, index1, table2, index2): h = defaultdict(list) for s in table1: h[s[index1]].append(s) return [(s, r) for r in table2 for s in h[r[index2]]] table1 = [(27, "Jonah"), (18, "Alan"), (28, "Glory"), (18, "Popeye"), (28, "Alan")] table2 = [("Jonah", "Whales"), ("Jonah", "Spiders"), ("Alan", "Ghosts"), ("Alan", "Zombies"), ("Glory", "Buffy")] for row in hashJoin(table1, 1, table2, 0): print(row)
<?php function hashJoin($table1, $index1, $table2, $index2) { foreach ($table1 as $s) $h[$s[$index1]][] = $s; foreach ($table2 as $r) foreach ($h[$r[$index2]] as $s) $result[] = array($s, $r); return $result; } $table1 = array(array(27, "Jonah"), array(18, "Alan"), array(28, "Glory"), array(18, "Popeye"), array(28, "Alan")); $table2 = array(array("Jonah", "Whales"), array("Jonah", "Spiders"), array("Alan", "Ghosts"), array("Alan", "Zombies"), array("Glory", "Buffy"), array("Bob", "foo")); foreach (hashJoin($table1, 1, $table2, 0) as $row) print_r($row); ?>
Rewrite the snippet below in PHP so it works the same as the original Python code.
from collections import defaultdict def hashJoin(table1, index1, table2, index2): h = defaultdict(list) for s in table1: h[s[index1]].append(s) return [(s, r) for r in table2 for s in h[r[index2]]] table1 = [(27, "Jonah"), (18, "Alan"), (28, "Glory"), (18, "Popeye"), (28, "Alan")] table2 = [("Jonah", "Whales"), ("Jonah", "Spiders"), ("Alan", "Ghosts"), ("Alan", "Zombies"), ("Glory", "Buffy")] for row in hashJoin(table1, 1, table2, 0): print(row)
<?php function hashJoin($table1, $index1, $table2, $index2) { foreach ($table1 as $s) $h[$s[$index1]][] = $s; foreach ($table2 as $r) foreach ($h[$r[$index2]] as $s) $result[] = array($s, $r); return $result; } $table1 = array(array(27, "Jonah"), array(18, "Alan"), array(28, "Glory"), array(18, "Popeye"), array(28, "Alan")); $table2 = array(array("Jonah", "Whales"), array("Jonah", "Spiders"), array("Alan", "Ghosts"), array("Alan", "Zombies"), array("Glory", "Buffy"), array("Bob", "foo")); foreach (hashJoin($table1, 1, $table2, 0) as $row) print_r($row); ?>
Translate this program into PHP but keep the logic exactly as in Python.
from collections import defaultdict def hashJoin(table1, index1, table2, index2): h = defaultdict(list) for s in table1: h[s[index1]].append(s) return [(s, r) for r in table2 for s in h[r[index2]]] table1 = [(27, "Jonah"), (18, "Alan"), (28, "Glory"), (18, "Popeye"), (28, "Alan")] table2 = [("Jonah", "Whales"), ("Jonah", "Spiders"), ("Alan", "Ghosts"), ("Alan", "Zombies"), ("Glory", "Buffy")] for row in hashJoin(table1, 1, table2, 0): print(row)
<?php function hashJoin($table1, $index1, $table2, $index2) { foreach ($table1 as $s) $h[$s[$index1]][] = $s; foreach ($table2 as $r) foreach ($h[$r[$index2]] as $s) $result[] = array($s, $r); return $result; } $table1 = array(array(27, "Jonah"), array(18, "Alan"), array(28, "Glory"), array(18, "Popeye"), array(28, "Alan")); $table2 = array(array("Jonah", "Whales"), array("Jonah", "Spiders"), array("Alan", "Ghosts"), array("Alan", "Zombies"), array("Glory", "Buffy"), array("Bob", "foo")); foreach (hashJoin($table1, 1, $table2, 0) as $row) print_r($row); ?>
Translate the given Python code snippet into PHP without altering its behavior.
class Example(object): def foo(self): print("this is foo") def bar(self): print("this is bar") def __getattr__(self, name): def method(*args): print("tried to handle unknown method " + name) if args: print("it had arguments: " + str(args)) return method example = Example() example.foo() example.bar() example.grill() example.ding("dong")
<?php class Example { function foo() { echo "this is foo\n"; } function bar() { echo "this is bar\n"; } function __call($name, $args) { echo "tried to handle unknown method $name\n"; if ($args) echo "it had arguments: ", implode(', ', $args), "\n"; } } $example = new Example(); $example->foo(); // prints "this is foo" $example->bar(); // prints "this is bar" $example->grill(); // prints "tried to handle unknown method grill" $example->ding("dong"); // prints "tried to handle unknown method ding" ?>
Generate an equivalent PHP version of this Python code.
class Example(object): def foo(self): print("this is foo") def bar(self): print("this is bar") def __getattr__(self, name): def method(*args): print("tried to handle unknown method " + name) if args: print("it had arguments: " + str(args)) return method example = Example() example.foo() example.bar() example.grill() example.ding("dong")
<?php class Example { function foo() { echo "this is foo\n"; } function bar() { echo "this is bar\n"; } function __call($name, $args) { echo "tried to handle unknown method $name\n"; if ($args) echo "it had arguments: ", implode(', ', $args), "\n"; } } $example = new Example(); $example->foo(); // prints "this is foo" $example->bar(); // prints "this is bar" $example->grill(); // prints "tried to handle unknown method grill" $example->ding("dong"); // prints "tried to handle unknown method ding" ?>
Transform the following Python implementation into PHP, maintaining the same output and logic.
class Example(object): def foo(self): print("this is foo") def bar(self): print("this is bar") def __getattr__(self, name): def method(*args): print("tried to handle unknown method " + name) if args: print("it had arguments: " + str(args)) return method example = Example() example.foo() example.bar() example.grill() example.ding("dong")
<?php class Example { function foo() { echo "this is foo\n"; } function bar() { echo "this is bar\n"; } function __call($name, $args) { echo "tried to handle unknown method $name\n"; if ($args) echo "it had arguments: ", implode(', ', $args), "\n"; } } $example = new Example(); $example->foo(); // prints "this is foo" $example->bar(); // prints "this is bar" $example->grill(); // prints "tried to handle unknown method grill" $example->ding("dong"); // prints "tried to handle unknown method ding" ?>
Write a version of this Python function in PHP with identical behavior.
class Animal: pass class Dog(Animal): pass class Cat(Animal): pass class Lab(Dog): pass class Collie(Dog): pass
class Animal { } class Dog extends Animal { } class Cat extends Animal { } class Lab extends Dog { } class Collie extends Dog { }
Write a version of this Python function in PHP with identical behavior.
class Animal: pass class Dog(Animal): pass class Cat(Animal): pass class Lab(Dog): pass class Collie(Dog): pass
class Animal { } class Dog extends Animal { } class Cat extends Animal { } class Lab extends Dog { } class Collie extends Dog { }
Keep all operations the same but rewrite the snippet in PHP.
class Animal: pass class Dog(Animal): pass class Cat(Animal): pass class Lab(Dog): pass class Collie(Dog): pass
class Animal { } class Dog extends Animal { } class Cat extends Animal { } class Lab extends Dog { } class Collie extends Dog { }
Produce a language-to-language conversion: from Python to PHP, same semantics.
hash = dict() hash = dict(red="FF0000", green="00FF00", blue="0000FF") hash = { 'key1':1, 'key2':2, } value = hash[key]
$array = array(); $array = []; // Simpler form of array initialization $array['foo'] = 'bar'; $array['bar'] = 'foo'; echo($array['foo']); // bar echo($array['moo']); // Undefined index $array2 = array('fruit' => 'apple', 'price' => 12.96, 'colour' => 'green'); $array2 = ['fruit' => 'apple', 'price' => 12.96, 'colour' => 'green']; echo(isset($array['foo'])); // Faster, but returns false if the value of the element is set to null echo(array_key_exists('foo', $array)); // Slower, but returns true if the value of the element is null
Maintain the same structure and functionality when rewriting this code in PHP.
hash = dict() hash = dict(red="FF0000", green="00FF00", blue="0000FF") hash = { 'key1':1, 'key2':2, } value = hash[key]
$array = array(); $array = []; // Simpler form of array initialization $array['foo'] = 'bar'; $array['bar'] = 'foo'; echo($array['foo']); // bar echo($array['moo']); // Undefined index $array2 = array('fruit' => 'apple', 'price' => 12.96, 'colour' => 'green'); $array2 = ['fruit' => 'apple', 'price' => 12.96, 'colour' => 'green']; echo(isset($array['foo'])); // Faster, but returns false if the value of the element is set to null echo(array_key_exists('foo', $array)); // Slower, but returns true if the value of the element is null
Port the provided Python code into PHP while preserving the original functionality.
hash = dict() hash = dict(red="FF0000", green="00FF00", blue="0000FF") hash = { 'key1':1, 'key2':2, } value = hash[key]
$array = array(); $array = []; // Simpler form of array initialization $array['foo'] = 'bar'; $array['bar'] = 'foo'; echo($array['foo']); // bar echo($array['moo']); // Undefined index $array2 = array('fruit' => 'apple', 'price' => 12.96, 'colour' => 'green'); $array2 = ['fruit' => 'apple', 'price' => 12.96, 'colour' => 'green']; echo(isset($array['foo'])); // Faster, but returns false if the value of the element is set to null echo(array_key_exists('foo', $array)); // Slower, but returns true if the value of the element is null
Keep all operations the same but rewrite the snippet in PHP.
class Point(object): def __init__(self, x=0.0, y=0.0): self.x = x self.y = y def __repr__(self): return '<Point 0x%x x: %f y: %f>' % (id(self), self.x, self.y) class Circle(object): def __init__(self, center=None, radius=1.0): self.center = center or Point() self.radius = radius def __repr__(self): return '<Circle 0x%x x: %f y: %f radius: %f>' % ( id(self), self.center.x, self.center.y, self.radius)
class Point { protected $_x; protected $_y; public function __construct() { switch( func_num_args() ) { case 1: $point = func_get_arg( 0 ); $this->setFromPoint( $point ); break; case 2: $x = func_get_arg( 0 ); $y = func_get_arg( 1 ); $this->setX( $x ); $this->setY( $y ); break; default: throw new InvalidArgumentException( 'expecting one (Point) argument or two (numeric x and y) arguments' ); } } public function setFromPoint( Point $point ) { $this->setX( $point->getX() ); $this->setY( $point->getY() ); } public function getX() { return $this->_x; } public function setX( $x ) { if( !is_numeric( $x ) ) { throw new InvalidArgumentException( 'expecting numeric value' ); } $this->_x = (float) $x; } public function getY() { return $this->_y; } public function setY( $y ) { if( !is_numeric( $y ) ) { throw new InvalidArgumentException( 'expecting numeric value' ); } $this->_y = (float) $y; } public function output() { echo $this->__toString(); } public function __toString() { return 'Point [x:' . $this->_x . ',y:' . $this->_y . ']'; } }
Rewrite the snippet below in PHP so it works the same as the original Python code.
class Point(object): def __init__(self, x=0.0, y=0.0): self.x = x self.y = y def __repr__(self): return '<Point 0x%x x: %f y: %f>' % (id(self), self.x, self.y) class Circle(object): def __init__(self, center=None, radius=1.0): self.center = center or Point() self.radius = radius def __repr__(self): return '<Circle 0x%x x: %f y: %f radius: %f>' % ( id(self), self.center.x, self.center.y, self.radius)
class Point { protected $_x; protected $_y; public function __construct() { switch( func_num_args() ) { case 1: $point = func_get_arg( 0 ); $this->setFromPoint( $point ); break; case 2: $x = func_get_arg( 0 ); $y = func_get_arg( 1 ); $this->setX( $x ); $this->setY( $y ); break; default: throw new InvalidArgumentException( 'expecting one (Point) argument or two (numeric x and y) arguments' ); } } public function setFromPoint( Point $point ) { $this->setX( $point->getX() ); $this->setY( $point->getY() ); } public function getX() { return $this->_x; } public function setX( $x ) { if( !is_numeric( $x ) ) { throw new InvalidArgumentException( 'expecting numeric value' ); } $this->_x = (float) $x; } public function getY() { return $this->_y; } public function setY( $y ) { if( !is_numeric( $y ) ) { throw new InvalidArgumentException( 'expecting numeric value' ); } $this->_y = (float) $y; } public function output() { echo $this->__toString(); } public function __toString() { return 'Point [x:' . $this->_x . ',y:' . $this->_y . ']'; } }
Port the provided Python code into PHP while preserving the original functionality.
class Point(object): def __init__(self, x=0.0, y=0.0): self.x = x self.y = y def __repr__(self): return '<Point 0x%x x: %f y: %f>' % (id(self), self.x, self.y) class Circle(object): def __init__(self, center=None, radius=1.0): self.center = center or Point() self.radius = radius def __repr__(self): return '<Circle 0x%x x: %f y: %f radius: %f>' % ( id(self), self.center.x, self.center.y, self.radius)
class Point { protected $_x; protected $_y; public function __construct() { switch( func_num_args() ) { case 1: $point = func_get_arg( 0 ); $this->setFromPoint( $point ); break; case 2: $x = func_get_arg( 0 ); $y = func_get_arg( 1 ); $this->setX( $x ); $this->setY( $y ); break; default: throw new InvalidArgumentException( 'expecting one (Point) argument or two (numeric x and y) arguments' ); } } public function setFromPoint( Point $point ) { $this->setX( $point->getX() ); $this->setY( $point->getY() ); } public function getX() { return $this->_x; } public function setX( $x ) { if( !is_numeric( $x ) ) { throw new InvalidArgumentException( 'expecting numeric value' ); } $this->_x = (float) $x; } public function getY() { return $this->_y; } public function setY( $y ) { if( !is_numeric( $y ) ) { throw new InvalidArgumentException( 'expecting numeric value' ); } $this->_y = (float) $y; } public function output() { echo $this->__toString(); } public function __toString() { return 'Point [x:' . $this->_x . ',y:' . $this->_y . ']'; } }
Rewrite this program in PHP while keeping its functionality equivalent to the Python version.
gridsize = (6, 4) minerange = (0.2, 0.6) try: raw_input except: raw_input = input import random from itertools import product from pprint import pprint as pp def gridandmines(gridsize=gridsize, minerange=minerange): xgrid, ygrid = gridsize minmines, maxmines = minerange minecount = xgrid * ygrid minecount = random.randint(int(minecount*minmines), int(minecount*maxmines)) grid = set(product(range(xgrid), range(ygrid))) mines = set(random.sample(grid, minecount)) show = {xy:'.' for xy in grid} return grid, mines, show def printgrid(show, gridsize=gridsize): xgrid, ygrid = gridsize grid = '\n'.join(''.join(show[(x,y)] for x in range(xgrid)) for y in range(ygrid)) print( grid ) def resign(showgrid, mines, markedmines): for m in mines: showgrid[m] = 'Y' if m in markedmines else 'N' def clear(x,y, showgrid, grid, mines, markedmines): if showgrid[(x, y)] == '.': xychar = str(sum(1 for xx in (x-1, x, x+1) for yy in (y-1, y, y+1) if (xx, yy) in mines )) if xychar == '0': xychar = '.' showgrid[(x,y)] = xychar for xx in (x-1, x, x+1): for yy in (y-1, y, y+1): xxyy = (xx, yy) if ( xxyy != (x, y) and xxyy in grid and xxyy not in mines | markedmines ): clear(xx, yy, showgrid, grid, mines, markedmines) if __name__ == '__main__': grid, mines, showgrid = gridandmines() markedmines = set([]) print( __doc__ ) print( '\nThere are %i true mines of fixed position in the grid\n' % len(mines) ) printgrid(showgrid) while markedmines != mines: inp = raw_input('m x y/c x y/p/r: ').strip().split() if inp: if inp[0] == 'm': x, y = [int(i)-1 for i in inp[1:3]] if (x,y) in markedmines: markedmines.remove((x,y)) showgrid[(x,y)] = '.' else: markedmines.add((x,y)) showgrid[(x,y)] = '?' elif inp[0] == 'p': printgrid(showgrid) elif inp[0] == 'c': x, y = [int(i)-1 for i in inp[1:3]] if (x,y) in mines | markedmines: print( '\nKLABOOM!! You hit a mine.\n' ) resign(showgrid, mines, markedmines) printgrid(showgrid) break clear(x,y, showgrid, grid, mines, markedmines) printgrid(showgrid) elif inp[0] == 'r': print( '\nResigning!\n' ) resign(showgrid, mines, markedmines) printgrid(showgrid) break print( '\nYou got %i and missed %i of the %i mines' % (len(mines.intersection(markedmines)), len(markedmines.difference(mines)), len(mines)) )
<?php define('MINEGRID_WIDTH', 6); define('MINEGRID_HEIGHT', 4); define('MINESWEEPER_NOT_EXPLORED', -1); define('MINESWEEPER_MINE', -2); define('MINESWEEPER_FLAGGED', -3); define('MINESWEEPER_FLAGGED_MINE', -4); define('ACTIVATED_MINE', -5); function check_field($field) { if ($field === MINESWEEPER_MINE || $field === MINESWEEPER_FLAGGED_MINE) { return true; } else { return false; } } function explore_field($field) { if (!isset($_SESSION['minesweeper'][$field]) || !in_array($_SESSION['minesweeper'][$field], array(MINESWEEPER_NOT_EXPLORED, MINESWEEPER_FLAGGED))) { return; } $mines = 0; $fields = &$_SESSION['minesweeper']; if ($field % MINEGRID_WIDTH !== 1) { $mines += check_field(@$fields[$field - MINEGRID_WIDTH - 1]); $mines += check_field(@$fields[$field - 1]); $mines += check_field(@$fields[$field + MINEGRID_WIDTH - 1]); } $mines += check_field(@$fields[$field - MINEGRID_WIDTH]); $mines += check_field(@$fields[$field + MINEGRID_WIDTH]); if ($field % MINEGRID_WIDTH !== 0) { $mines += check_field(@$fields[$field - MINEGRID_WIDTH + 1]); $mines += check_field(@$fields[$field + 1]); $mines += check_field(@$fields[$field + MINEGRID_WIDTH + 1]); } $fields[$field] = $mines; if ($mines === 0) { if ($field % MINEGRID_WIDTH !== 1) { explore_field($field - MINEGRID_WIDTH - 1); explore_field($field - 1); explore_field($field + MINEGRID_WIDTH - 1); } explore_field($field - MINEGRID_WIDTH); explore_field($field + MINEGRID_WIDTH); if ($field % MINEGRID_WIDTH !== 0) { explore_field($field - MINEGRID_WIDTH + 1); explore_field($field + 1); explore_field($field + MINEGRID_WIDTH + 1); } } } session_start(); // will start session storage if (!isset($_SESSION['minesweeper'])) { $_SESSION['minesweeper'] = array_fill(1, MINEGRID_WIDTH * MINEGRID_HEIGHT, MINESWEEPER_NOT_EXPLORED); $number_of_mines = (int) mt_rand(0.1 * MINEGRID_WIDTH * MINEGRID_HEIGHT, 0.2 * MINEGRID_WIDTH * MINEGRID_HEIGHT); $random_keys = array_rand($_SESSION['minesweeper'], $number_of_mines); foreach ($random_keys as $key) { $_SESSION['minesweeper'][$key] = MINESWEEPER_MINE; } $_SESSION['numberofmines'] = $number_of_mines; } if (isset($_GET['explore'])) { if(isset($_SESSION['minesweeper'][$_GET['explore']])) { switch ($_SESSION['minesweeper'][$_GET['explore']]) { case MINESWEEPER_NOT_EXPLORED: explore_field($_GET['explore']); break; case MINESWEEPER_MINE: $lost = 1; $_SESSION['minesweeper'][$_GET['explore']] = ACTIVATED_MINE; break; default: break; } } else { die('Tile doesn\'t exist.'); } } elseif (isset($_GET['flag'])) { if(isset($_SESSION['minesweeper'][$_GET['flag']])) { $tile = &$_SESSION['minesweeper'][$_GET['flag']]; switch ($tile) { case MINESWEEPER_NOT_EXPLORED: $tile = MINESWEEPER_FLAGGED; break; case MINESWEEPER_MINE: $tile = MINESWEEPER_FLAGGED_MINE; break; case MINESWEEPER_FLAGGED: $tile = MINESWEEPER_NOT_EXPLORED; break; case MINESWEEPER_FLAGGED_MINE: $tile = MINESWEEPER_MINE; break; default: break; } } else { die('Tile doesn\'t exist.'); } } if (!in_array(MINESWEEPER_NOT_EXPLORED, $_SESSION['minesweeper']) && !in_array(MINESWEEPER_FLAGGED, $_SESSION['minesweeper'])) { $won = true; } ?> <!DOCTYPE html> <title>Minesweeper</title> <style> table { border-collapse: collapse; } td, a { text-align: center; width: 1em; height: 1em; } a { display: block; color: black; text-decoration: none; font-size: 2em; } </style> <script> function flag(number, e) { if (e.which === 2 || e.which === 3) { location = '?flag=' + number; return false; } } </script> <?php echo "<p>This field contains $_SESSION[numberofmines] mines."; ?> <table border="1"> <?php $mine_copy = $_SESSION['minesweeper']; for ($x = 1; $x <= MINEGRID_HEIGHT; $x++) { echo '<tr>'; for ($y = 1; $y <= MINEGRID_WIDTH; $y++) { echo '<td>'; $number = array_shift($mine_copy); switch ($number) { case MINESWEEPER_FLAGGED: case MINESWEEPER_FLAGGED_MINE: if (!empty($lost) || !empty($won)) { if ($number === MINESWEEPER_FLAGGED_MINE) { echo '<a>*</a>'; } else { echo '<a>.</a>'; } } else { echo '<a href=# onmousedown="return flag(', ($x - 1) * MINEGRID_WIDTH + $y, ',event)" oncontextmenu="return false">?</a>'; } break; case ACTIVATED_MINE: echo '<a>:(</a>'; break; case MINESWEEPER_MINE: case MINESWEEPER_NOT_EXPLORED: if (!empty($lost)) { if ($number === MINESWEEPER_MINE) { echo '<a>*</a>'; } else { echo '<a>.</a>'; } } elseif (!empty($won)) { echo '<a>*</a>'; } else { echo '<a href="?explore=', ($x - 1) * MINEGRID_WIDTH + $y, '" onmousedown="return flag(', ($x - 1) * MINEGRID_WIDTH + $y, ',event)" oncontextmenu="return false">.</a>'; } break; case 0: echo '<a></a>'; break; default: echo '<a>', $number, '</a>'; break; } } } ?> </table> <?php if (!empty($lost)) { unset($_SESSION['minesweeper']); echo '<p>You lost :(. <a href="?">Reboot?</a>'; } elseif (!empty($won)) { unset($_SESSION['minesweeper']); echo '<p>Congratulations. You won :).'; }
Rewrite this program in PHP while keeping its functionality equivalent to the Python version.
gridsize = (6, 4) minerange = (0.2, 0.6) try: raw_input except: raw_input = input import random from itertools import product from pprint import pprint as pp def gridandmines(gridsize=gridsize, minerange=minerange): xgrid, ygrid = gridsize minmines, maxmines = minerange minecount = xgrid * ygrid minecount = random.randint(int(minecount*minmines), int(minecount*maxmines)) grid = set(product(range(xgrid), range(ygrid))) mines = set(random.sample(grid, minecount)) show = {xy:'.' for xy in grid} return grid, mines, show def printgrid(show, gridsize=gridsize): xgrid, ygrid = gridsize grid = '\n'.join(''.join(show[(x,y)] for x in range(xgrid)) for y in range(ygrid)) print( grid ) def resign(showgrid, mines, markedmines): for m in mines: showgrid[m] = 'Y' if m in markedmines else 'N' def clear(x,y, showgrid, grid, mines, markedmines): if showgrid[(x, y)] == '.': xychar = str(sum(1 for xx in (x-1, x, x+1) for yy in (y-1, y, y+1) if (xx, yy) in mines )) if xychar == '0': xychar = '.' showgrid[(x,y)] = xychar for xx in (x-1, x, x+1): for yy in (y-1, y, y+1): xxyy = (xx, yy) if ( xxyy != (x, y) and xxyy in grid and xxyy not in mines | markedmines ): clear(xx, yy, showgrid, grid, mines, markedmines) if __name__ == '__main__': grid, mines, showgrid = gridandmines() markedmines = set([]) print( __doc__ ) print( '\nThere are %i true mines of fixed position in the grid\n' % len(mines) ) printgrid(showgrid) while markedmines != mines: inp = raw_input('m x y/c x y/p/r: ').strip().split() if inp: if inp[0] == 'm': x, y = [int(i)-1 for i in inp[1:3]] if (x,y) in markedmines: markedmines.remove((x,y)) showgrid[(x,y)] = '.' else: markedmines.add((x,y)) showgrid[(x,y)] = '?' elif inp[0] == 'p': printgrid(showgrid) elif inp[0] == 'c': x, y = [int(i)-1 for i in inp[1:3]] if (x,y) in mines | markedmines: print( '\nKLABOOM!! You hit a mine.\n' ) resign(showgrid, mines, markedmines) printgrid(showgrid) break clear(x,y, showgrid, grid, mines, markedmines) printgrid(showgrid) elif inp[0] == 'r': print( '\nResigning!\n' ) resign(showgrid, mines, markedmines) printgrid(showgrid) break print( '\nYou got %i and missed %i of the %i mines' % (len(mines.intersection(markedmines)), len(markedmines.difference(mines)), len(mines)) )
<?php define('MINEGRID_WIDTH', 6); define('MINEGRID_HEIGHT', 4); define('MINESWEEPER_NOT_EXPLORED', -1); define('MINESWEEPER_MINE', -2); define('MINESWEEPER_FLAGGED', -3); define('MINESWEEPER_FLAGGED_MINE', -4); define('ACTIVATED_MINE', -5); function check_field($field) { if ($field === MINESWEEPER_MINE || $field === MINESWEEPER_FLAGGED_MINE) { return true; } else { return false; } } function explore_field($field) { if (!isset($_SESSION['minesweeper'][$field]) || !in_array($_SESSION['minesweeper'][$field], array(MINESWEEPER_NOT_EXPLORED, MINESWEEPER_FLAGGED))) { return; } $mines = 0; $fields = &$_SESSION['minesweeper']; if ($field % MINEGRID_WIDTH !== 1) { $mines += check_field(@$fields[$field - MINEGRID_WIDTH - 1]); $mines += check_field(@$fields[$field - 1]); $mines += check_field(@$fields[$field + MINEGRID_WIDTH - 1]); } $mines += check_field(@$fields[$field - MINEGRID_WIDTH]); $mines += check_field(@$fields[$field + MINEGRID_WIDTH]); if ($field % MINEGRID_WIDTH !== 0) { $mines += check_field(@$fields[$field - MINEGRID_WIDTH + 1]); $mines += check_field(@$fields[$field + 1]); $mines += check_field(@$fields[$field + MINEGRID_WIDTH + 1]); } $fields[$field] = $mines; if ($mines === 0) { if ($field % MINEGRID_WIDTH !== 1) { explore_field($field - MINEGRID_WIDTH - 1); explore_field($field - 1); explore_field($field + MINEGRID_WIDTH - 1); } explore_field($field - MINEGRID_WIDTH); explore_field($field + MINEGRID_WIDTH); if ($field % MINEGRID_WIDTH !== 0) { explore_field($field - MINEGRID_WIDTH + 1); explore_field($field + 1); explore_field($field + MINEGRID_WIDTH + 1); } } } session_start(); // will start session storage if (!isset($_SESSION['minesweeper'])) { $_SESSION['minesweeper'] = array_fill(1, MINEGRID_WIDTH * MINEGRID_HEIGHT, MINESWEEPER_NOT_EXPLORED); $number_of_mines = (int) mt_rand(0.1 * MINEGRID_WIDTH * MINEGRID_HEIGHT, 0.2 * MINEGRID_WIDTH * MINEGRID_HEIGHT); $random_keys = array_rand($_SESSION['minesweeper'], $number_of_mines); foreach ($random_keys as $key) { $_SESSION['minesweeper'][$key] = MINESWEEPER_MINE; } $_SESSION['numberofmines'] = $number_of_mines; } if (isset($_GET['explore'])) { if(isset($_SESSION['minesweeper'][$_GET['explore']])) { switch ($_SESSION['minesweeper'][$_GET['explore']]) { case MINESWEEPER_NOT_EXPLORED: explore_field($_GET['explore']); break; case MINESWEEPER_MINE: $lost = 1; $_SESSION['minesweeper'][$_GET['explore']] = ACTIVATED_MINE; break; default: break; } } else { die('Tile doesn\'t exist.'); } } elseif (isset($_GET['flag'])) { if(isset($_SESSION['minesweeper'][$_GET['flag']])) { $tile = &$_SESSION['minesweeper'][$_GET['flag']]; switch ($tile) { case MINESWEEPER_NOT_EXPLORED: $tile = MINESWEEPER_FLAGGED; break; case MINESWEEPER_MINE: $tile = MINESWEEPER_FLAGGED_MINE; break; case MINESWEEPER_FLAGGED: $tile = MINESWEEPER_NOT_EXPLORED; break; case MINESWEEPER_FLAGGED_MINE: $tile = MINESWEEPER_MINE; break; default: break; } } else { die('Tile doesn\'t exist.'); } } if (!in_array(MINESWEEPER_NOT_EXPLORED, $_SESSION['minesweeper']) && !in_array(MINESWEEPER_FLAGGED, $_SESSION['minesweeper'])) { $won = true; } ?> <!DOCTYPE html> <title>Minesweeper</title> <style> table { border-collapse: collapse; } td, a { text-align: center; width: 1em; height: 1em; } a { display: block; color: black; text-decoration: none; font-size: 2em; } </style> <script> function flag(number, e) { if (e.which === 2 || e.which === 3) { location = '?flag=' + number; return false; } } </script> <?php echo "<p>This field contains $_SESSION[numberofmines] mines."; ?> <table border="1"> <?php $mine_copy = $_SESSION['minesweeper']; for ($x = 1; $x <= MINEGRID_HEIGHT; $x++) { echo '<tr>'; for ($y = 1; $y <= MINEGRID_WIDTH; $y++) { echo '<td>'; $number = array_shift($mine_copy); switch ($number) { case MINESWEEPER_FLAGGED: case MINESWEEPER_FLAGGED_MINE: if (!empty($lost) || !empty($won)) { if ($number === MINESWEEPER_FLAGGED_MINE) { echo '<a>*</a>'; } else { echo '<a>.</a>'; } } else { echo '<a href=# onmousedown="return flag(', ($x - 1) * MINEGRID_WIDTH + $y, ',event)" oncontextmenu="return false">?</a>'; } break; case ACTIVATED_MINE: echo '<a>:(</a>'; break; case MINESWEEPER_MINE: case MINESWEEPER_NOT_EXPLORED: if (!empty($lost)) { if ($number === MINESWEEPER_MINE) { echo '<a>*</a>'; } else { echo '<a>.</a>'; } } elseif (!empty($won)) { echo '<a>*</a>'; } else { echo '<a href="?explore=', ($x - 1) * MINEGRID_WIDTH + $y, '" onmousedown="return flag(', ($x - 1) * MINEGRID_WIDTH + $y, ',event)" oncontextmenu="return false">.</a>'; } break; case 0: echo '<a></a>'; break; default: echo '<a>', $number, '</a>'; break; } } } ?> </table> <?php if (!empty($lost)) { unset($_SESSION['minesweeper']); echo '<p>You lost :(. <a href="?">Reboot?</a>'; } elseif (!empty($won)) { unset($_SESSION['minesweeper']); echo '<p>Congratulations. You won :).'; }
Transform the following Python implementation into PHP, maintaining the same output and logic.
gridsize = (6, 4) minerange = (0.2, 0.6) try: raw_input except: raw_input = input import random from itertools import product from pprint import pprint as pp def gridandmines(gridsize=gridsize, minerange=minerange): xgrid, ygrid = gridsize minmines, maxmines = minerange minecount = xgrid * ygrid minecount = random.randint(int(minecount*minmines), int(minecount*maxmines)) grid = set(product(range(xgrid), range(ygrid))) mines = set(random.sample(grid, minecount)) show = {xy:'.' for xy in grid} return grid, mines, show def printgrid(show, gridsize=gridsize): xgrid, ygrid = gridsize grid = '\n'.join(''.join(show[(x,y)] for x in range(xgrid)) for y in range(ygrid)) print( grid ) def resign(showgrid, mines, markedmines): for m in mines: showgrid[m] = 'Y' if m in markedmines else 'N' def clear(x,y, showgrid, grid, mines, markedmines): if showgrid[(x, y)] == '.': xychar = str(sum(1 for xx in (x-1, x, x+1) for yy in (y-1, y, y+1) if (xx, yy) in mines )) if xychar == '0': xychar = '.' showgrid[(x,y)] = xychar for xx in (x-1, x, x+1): for yy in (y-1, y, y+1): xxyy = (xx, yy) if ( xxyy != (x, y) and xxyy in grid and xxyy not in mines | markedmines ): clear(xx, yy, showgrid, grid, mines, markedmines) if __name__ == '__main__': grid, mines, showgrid = gridandmines() markedmines = set([]) print( __doc__ ) print( '\nThere are %i true mines of fixed position in the grid\n' % len(mines) ) printgrid(showgrid) while markedmines != mines: inp = raw_input('m x y/c x y/p/r: ').strip().split() if inp: if inp[0] == 'm': x, y = [int(i)-1 for i in inp[1:3]] if (x,y) in markedmines: markedmines.remove((x,y)) showgrid[(x,y)] = '.' else: markedmines.add((x,y)) showgrid[(x,y)] = '?' elif inp[0] == 'p': printgrid(showgrid) elif inp[0] == 'c': x, y = [int(i)-1 for i in inp[1:3]] if (x,y) in mines | markedmines: print( '\nKLABOOM!! You hit a mine.\n' ) resign(showgrid, mines, markedmines) printgrid(showgrid) break clear(x,y, showgrid, grid, mines, markedmines) printgrid(showgrid) elif inp[0] == 'r': print( '\nResigning!\n' ) resign(showgrid, mines, markedmines) printgrid(showgrid) break print( '\nYou got %i and missed %i of the %i mines' % (len(mines.intersection(markedmines)), len(markedmines.difference(mines)), len(mines)) )
<?php define('MINEGRID_WIDTH', 6); define('MINEGRID_HEIGHT', 4); define('MINESWEEPER_NOT_EXPLORED', -1); define('MINESWEEPER_MINE', -2); define('MINESWEEPER_FLAGGED', -3); define('MINESWEEPER_FLAGGED_MINE', -4); define('ACTIVATED_MINE', -5); function check_field($field) { if ($field === MINESWEEPER_MINE || $field === MINESWEEPER_FLAGGED_MINE) { return true; } else { return false; } } function explore_field($field) { if (!isset($_SESSION['minesweeper'][$field]) || !in_array($_SESSION['minesweeper'][$field], array(MINESWEEPER_NOT_EXPLORED, MINESWEEPER_FLAGGED))) { return; } $mines = 0; $fields = &$_SESSION['minesweeper']; if ($field % MINEGRID_WIDTH !== 1) { $mines += check_field(@$fields[$field - MINEGRID_WIDTH - 1]); $mines += check_field(@$fields[$field - 1]); $mines += check_field(@$fields[$field + MINEGRID_WIDTH - 1]); } $mines += check_field(@$fields[$field - MINEGRID_WIDTH]); $mines += check_field(@$fields[$field + MINEGRID_WIDTH]); if ($field % MINEGRID_WIDTH !== 0) { $mines += check_field(@$fields[$field - MINEGRID_WIDTH + 1]); $mines += check_field(@$fields[$field + 1]); $mines += check_field(@$fields[$field + MINEGRID_WIDTH + 1]); } $fields[$field] = $mines; if ($mines === 0) { if ($field % MINEGRID_WIDTH !== 1) { explore_field($field - MINEGRID_WIDTH - 1); explore_field($field - 1); explore_field($field + MINEGRID_WIDTH - 1); } explore_field($field - MINEGRID_WIDTH); explore_field($field + MINEGRID_WIDTH); if ($field % MINEGRID_WIDTH !== 0) { explore_field($field - MINEGRID_WIDTH + 1); explore_field($field + 1); explore_field($field + MINEGRID_WIDTH + 1); } } } session_start(); // will start session storage if (!isset($_SESSION['minesweeper'])) { $_SESSION['minesweeper'] = array_fill(1, MINEGRID_WIDTH * MINEGRID_HEIGHT, MINESWEEPER_NOT_EXPLORED); $number_of_mines = (int) mt_rand(0.1 * MINEGRID_WIDTH * MINEGRID_HEIGHT, 0.2 * MINEGRID_WIDTH * MINEGRID_HEIGHT); $random_keys = array_rand($_SESSION['minesweeper'], $number_of_mines); foreach ($random_keys as $key) { $_SESSION['minesweeper'][$key] = MINESWEEPER_MINE; } $_SESSION['numberofmines'] = $number_of_mines; } if (isset($_GET['explore'])) { if(isset($_SESSION['minesweeper'][$_GET['explore']])) { switch ($_SESSION['minesweeper'][$_GET['explore']]) { case MINESWEEPER_NOT_EXPLORED: explore_field($_GET['explore']); break; case MINESWEEPER_MINE: $lost = 1; $_SESSION['minesweeper'][$_GET['explore']] = ACTIVATED_MINE; break; default: break; } } else { die('Tile doesn\'t exist.'); } } elseif (isset($_GET['flag'])) { if(isset($_SESSION['minesweeper'][$_GET['flag']])) { $tile = &$_SESSION['minesweeper'][$_GET['flag']]; switch ($tile) { case MINESWEEPER_NOT_EXPLORED: $tile = MINESWEEPER_FLAGGED; break; case MINESWEEPER_MINE: $tile = MINESWEEPER_FLAGGED_MINE; break; case MINESWEEPER_FLAGGED: $tile = MINESWEEPER_NOT_EXPLORED; break; case MINESWEEPER_FLAGGED_MINE: $tile = MINESWEEPER_MINE; break; default: break; } } else { die('Tile doesn\'t exist.'); } } if (!in_array(MINESWEEPER_NOT_EXPLORED, $_SESSION['minesweeper']) && !in_array(MINESWEEPER_FLAGGED, $_SESSION['minesweeper'])) { $won = true; } ?> <!DOCTYPE html> <title>Minesweeper</title> <style> table { border-collapse: collapse; } td, a { text-align: center; width: 1em; height: 1em; } a { display: block; color: black; text-decoration: none; font-size: 2em; } </style> <script> function flag(number, e) { if (e.which === 2 || e.which === 3) { location = '?flag=' + number; return false; } } </script> <?php echo "<p>This field contains $_SESSION[numberofmines] mines."; ?> <table border="1"> <?php $mine_copy = $_SESSION['minesweeper']; for ($x = 1; $x <= MINEGRID_HEIGHT; $x++) { echo '<tr>'; for ($y = 1; $y <= MINEGRID_WIDTH; $y++) { echo '<td>'; $number = array_shift($mine_copy); switch ($number) { case MINESWEEPER_FLAGGED: case MINESWEEPER_FLAGGED_MINE: if (!empty($lost) || !empty($won)) { if ($number === MINESWEEPER_FLAGGED_MINE) { echo '<a>*</a>'; } else { echo '<a>.</a>'; } } else { echo '<a href=# onmousedown="return flag(', ($x - 1) * MINEGRID_WIDTH + $y, ',event)" oncontextmenu="return false">?</a>'; } break; case ACTIVATED_MINE: echo '<a>:(</a>'; break; case MINESWEEPER_MINE: case MINESWEEPER_NOT_EXPLORED: if (!empty($lost)) { if ($number === MINESWEEPER_MINE) { echo '<a>*</a>'; } else { echo '<a>.</a>'; } } elseif (!empty($won)) { echo '<a>*</a>'; } else { echo '<a href="?explore=', ($x - 1) * MINEGRID_WIDTH + $y, '" onmousedown="return flag(', ($x - 1) * MINEGRID_WIDTH + $y, ',event)" oncontextmenu="return false">.</a>'; } break; case 0: echo '<a></a>'; break; default: echo '<a>', $number, '</a>'; break; } } } ?> </table> <?php if (!empty($lost)) { unset($_SESSION['minesweeper']); echo '<p>You lost :(. <a href="?">Reboot?</a>'; } elseif (!empty($won)) { unset($_SESSION['minesweeper']); echo '<p>Congratulations. You won :).'; }
Write a version of this Python function in PHP with identical behavior.
class Parent(object): __priv = 'private' def __init__(self, name): self.name = name def __repr__(self): return '%s(%s)' % (type(self).__name__, self.name) def doNothing(self): pass import re class Child(Parent): __rePrivate = re.compile('^_(Child|Parent)__') __reBleh = re.compile('\Wbleh$') @property def reBleh(self): return self.__reBleh def __init__(self, name, *args): super(Child, self).__init__(name) self.args = args def __dir__(self): myDir = filter( lambda p: not self.__rePrivate.match(p), list(set( \ sum([dir(base) for base in type(self).__bases__], []) \ + type(self).__dict__.keys() \ + self.__dict__.keys() \ ))) return myDir + map( lambda p: p + '_bleh', filter( lambda p: (p[:2] != '__' or p[-2:] != '__') and not callable(getattr(self, p)), myDir)) def __getattr__(self, name): if name[-5:] == '_bleh': return str(getattr(self, name[:-5])) + ' bleh' if hasattr(super(Child, chld), '__getattr__'): return super(Child, self).__getattr__(name) raise AttributeError("'%s' object has no attribute '%s'" % (type(self).__name__, name)) def __setattr__(self, name, value): if name[-5:] == '_bleh': if not (hasattr(self, name[:-5]) and callable(getattr(self, name[:-5]))): setattr(self, name[:-5], self.reBleh.sub('', value)) elif hasattr(super(Child, self), '__setattr__'): super(Child, self).__setattr__(name, value) elif hasattr(self, '__dict__'): self.__dict__[name] = value def __repr__(self): return '%s(%s, %s)' % (type(self).__name__, self.name, str(self.args).strip('[]()')) def doStuff(self): return (1+1.0/1e6) ** 1e6 par = Parent('par') par.parent = True dir(par) inspect.getmembers(par) chld = Child('chld', 0, 'I', 'two') chld.own = "chld's own" dir(chld) inspect.getmembers(chld)
<? class Foo { } $obj = new Foo(); $obj->bar = 42; $obj->baz = true; var_dump(get_object_vars($obj)); ?>
Convert this Python snippet to PHP and keep its semantics consistent.
class Parent(object): __priv = 'private' def __init__(self, name): self.name = name def __repr__(self): return '%s(%s)' % (type(self).__name__, self.name) def doNothing(self): pass import re class Child(Parent): __rePrivate = re.compile('^_(Child|Parent)__') __reBleh = re.compile('\Wbleh$') @property def reBleh(self): return self.__reBleh def __init__(self, name, *args): super(Child, self).__init__(name) self.args = args def __dir__(self): myDir = filter( lambda p: not self.__rePrivate.match(p), list(set( \ sum([dir(base) for base in type(self).__bases__], []) \ + type(self).__dict__.keys() \ + self.__dict__.keys() \ ))) return myDir + map( lambda p: p + '_bleh', filter( lambda p: (p[:2] != '__' or p[-2:] != '__') and not callable(getattr(self, p)), myDir)) def __getattr__(self, name): if name[-5:] == '_bleh': return str(getattr(self, name[:-5])) + ' bleh' if hasattr(super(Child, chld), '__getattr__'): return super(Child, self).__getattr__(name) raise AttributeError("'%s' object has no attribute '%s'" % (type(self).__name__, name)) def __setattr__(self, name, value): if name[-5:] == '_bleh': if not (hasattr(self, name[:-5]) and callable(getattr(self, name[:-5]))): setattr(self, name[:-5], self.reBleh.sub('', value)) elif hasattr(super(Child, self), '__setattr__'): super(Child, self).__setattr__(name, value) elif hasattr(self, '__dict__'): self.__dict__[name] = value def __repr__(self): return '%s(%s, %s)' % (type(self).__name__, self.name, str(self.args).strip('[]()')) def doStuff(self): return (1+1.0/1e6) ** 1e6 par = Parent('par') par.parent = True dir(par) inspect.getmembers(par) chld = Child('chld', 0, 'I', 'two') chld.own = "chld's own" dir(chld) inspect.getmembers(chld)
<? class Foo { } $obj = new Foo(); $obj->bar = 42; $obj->baz = true; var_dump(get_object_vars($obj)); ?>
Preserve the algorithm and functionality while converting the code from Python to PHP.
class Parent(object): __priv = 'private' def __init__(self, name): self.name = name def __repr__(self): return '%s(%s)' % (type(self).__name__, self.name) def doNothing(self): pass import re class Child(Parent): __rePrivate = re.compile('^_(Child|Parent)__') __reBleh = re.compile('\Wbleh$') @property def reBleh(self): return self.__reBleh def __init__(self, name, *args): super(Child, self).__init__(name) self.args = args def __dir__(self): myDir = filter( lambda p: not self.__rePrivate.match(p), list(set( \ sum([dir(base) for base in type(self).__bases__], []) \ + type(self).__dict__.keys() \ + self.__dict__.keys() \ ))) return myDir + map( lambda p: p + '_bleh', filter( lambda p: (p[:2] != '__' or p[-2:] != '__') and not callable(getattr(self, p)), myDir)) def __getattr__(self, name): if name[-5:] == '_bleh': return str(getattr(self, name[:-5])) + ' bleh' if hasattr(super(Child, chld), '__getattr__'): return super(Child, self).__getattr__(name) raise AttributeError("'%s' object has no attribute '%s'" % (type(self).__name__, name)) def __setattr__(self, name, value): if name[-5:] == '_bleh': if not (hasattr(self, name[:-5]) and callable(getattr(self, name[:-5]))): setattr(self, name[:-5], self.reBleh.sub('', value)) elif hasattr(super(Child, self), '__setattr__'): super(Child, self).__setattr__(name, value) elif hasattr(self, '__dict__'): self.__dict__[name] = value def __repr__(self): return '%s(%s, %s)' % (type(self).__name__, self.name, str(self.args).strip('[]()')) def doStuff(self): return (1+1.0/1e6) ** 1e6 par = Parent('par') par.parent = True dir(par) inspect.getmembers(par) chld = Child('chld', 0, 'I', 'two') chld.own = "chld's own" dir(chld) inspect.getmembers(chld)
<? class Foo { } $obj = new Foo(); $obj->bar = 42; $obj->baz = true; var_dump(get_object_vars($obj)); ?>
Convert this Python snippet to PHP and keep its semantics consistent.
from itertools import zip_longest txt = parts = [line.rstrip("$").split("$") for line in txt.splitlines()] widths = [max(len(word) for word in col) for col in zip_longest(*parts, fillvalue='')] for justify in "<_Left ^_Center >_Right".split(): j, jtext = justify.split('_') print(f"{jtext} column-aligned output:\n") for line in parts: print(' '.join(f"{wrd:{j}{wdth}}" for wdth, wrd in zip(widths, line))) print("- " * 52)
<?php $j2justtype = array('L' => STR_PAD_RIGHT, 'R' => STR_PAD_LEFT, 'C' => STR_PAD_BOTH); function aligner($str, $justification = 'L') { global $j2justtype; assert(array_key_exists($justification, $j2justtype)); $justtype = $j2justtype[$justification]; $fieldsbyrow = array(); foreach (explode("\n", $str) as $line) $fieldsbyrow[] = explode('$', $line); $maxfields = max(array_map('count', $fieldsbyrow)); foreach (range(0, $maxfields - 1) as $col) { $maxwidth = 0; foreach ($fieldsbyrow as $fields) $maxwidth = max($maxwidth, strlen(array_key_exists($col, $fields) ? $fields[$col] : 0)); foreach ($fieldsbyrow as &$fields) $fields[$col] = str_pad(array_key_exists($col, $fields) ? $fields[$col] : "", $maxwidth, ' ', $justtype); unset($fields); // see http://bugs.php.net/29992 } $result = ''; foreach ($fieldsbyrow as $fields) $result .= implode(' ', $fields) . "\n"; return $result; } $textinfile = 'Given$a$text$file$of$many$lines,$where$fields$within$a$line$ are$delineated$by$a$single$\'dollar\'$character,$write$a$program that$aligns$each$column$of$fields$by$ensuring$that$words$in$each$ column$are$separated$by$at$least$one$space. Further,$allow$for$each$word$in$a$column$to$be$either$left$ justified,$right$justified,$or$center$justified$within$its$column.'; foreach (array('L', 'R', 'C') as $j) echo aligner($textinfile, $j); ?>
Write the same code in PHP as shown below in Python.
from itertools import zip_longest txt = parts = [line.rstrip("$").split("$") for line in txt.splitlines()] widths = [max(len(word) for word in col) for col in zip_longest(*parts, fillvalue='')] for justify in "<_Left ^_Center >_Right".split(): j, jtext = justify.split('_') print(f"{jtext} column-aligned output:\n") for line in parts: print(' '.join(f"{wrd:{j}{wdth}}" for wdth, wrd in zip(widths, line))) print("- " * 52)
<?php $j2justtype = array('L' => STR_PAD_RIGHT, 'R' => STR_PAD_LEFT, 'C' => STR_PAD_BOTH); function aligner($str, $justification = 'L') { global $j2justtype; assert(array_key_exists($justification, $j2justtype)); $justtype = $j2justtype[$justification]; $fieldsbyrow = array(); foreach (explode("\n", $str) as $line) $fieldsbyrow[] = explode('$', $line); $maxfields = max(array_map('count', $fieldsbyrow)); foreach (range(0, $maxfields - 1) as $col) { $maxwidth = 0; foreach ($fieldsbyrow as $fields) $maxwidth = max($maxwidth, strlen(array_key_exists($col, $fields) ? $fields[$col] : 0)); foreach ($fieldsbyrow as &$fields) $fields[$col] = str_pad(array_key_exists($col, $fields) ? $fields[$col] : "", $maxwidth, ' ', $justtype); unset($fields); // see http://bugs.php.net/29992 } $result = ''; foreach ($fieldsbyrow as $fields) $result .= implode(' ', $fields) . "\n"; return $result; } $textinfile = 'Given$a$text$file$of$many$lines,$where$fields$within$a$line$ are$delineated$by$a$single$\'dollar\'$character,$write$a$program that$aligns$each$column$of$fields$by$ensuring$that$words$in$each$ column$are$separated$by$at$least$one$space. Further,$allow$for$each$word$in$a$column$to$be$either$left$ justified,$right$justified,$or$center$justified$within$its$column.'; foreach (array('L', 'R', 'C') as $j) echo aligner($textinfile, $j); ?>
Convert this Python snippet to PHP and keep its semantics consistent.
from itertools import zip_longest txt = parts = [line.rstrip("$").split("$") for line in txt.splitlines()] widths = [max(len(word) for word in col) for col in zip_longest(*parts, fillvalue='')] for justify in "<_Left ^_Center >_Right".split(): j, jtext = justify.split('_') print(f"{jtext} column-aligned output:\n") for line in parts: print(' '.join(f"{wrd:{j}{wdth}}" for wdth, wrd in zip(widths, line))) print("- " * 52)
<?php $j2justtype = array('L' => STR_PAD_RIGHT, 'R' => STR_PAD_LEFT, 'C' => STR_PAD_BOTH); function aligner($str, $justification = 'L') { global $j2justtype; assert(array_key_exists($justification, $j2justtype)); $justtype = $j2justtype[$justification]; $fieldsbyrow = array(); foreach (explode("\n", $str) as $line) $fieldsbyrow[] = explode('$', $line); $maxfields = max(array_map('count', $fieldsbyrow)); foreach (range(0, $maxfields - 1) as $col) { $maxwidth = 0; foreach ($fieldsbyrow as $fields) $maxwidth = max($maxwidth, strlen(array_key_exists($col, $fields) ? $fields[$col] : 0)); foreach ($fieldsbyrow as &$fields) $fields[$col] = str_pad(array_key_exists($col, $fields) ? $fields[$col] : "", $maxwidth, ' ', $justtype); unset($fields); // see http://bugs.php.net/29992 } $result = ''; foreach ($fieldsbyrow as $fields) $result .= implode(' ', $fields) . "\n"; return $result; } $textinfile = 'Given$a$text$file$of$many$lines,$where$fields$within$a$line$ are$delineated$by$a$single$\'dollar\'$character,$write$a$program that$aligns$each$column$of$fields$by$ensuring$that$words$in$each$ column$are$separated$by$at$least$one$space. Further,$allow$for$each$word$in$a$column$to$be$either$left$ justified,$right$justified,$or$center$justified$within$its$column.'; foreach (array('L', 'R', 'C') as $j) echo aligner($textinfile, $j); ?>
Transform the following Python implementation into PHP, maintaining the same output and logic.
import urllib.parse as up url = up.urlparse('http://user:pass@example.com:8081/path/file.html;params?query1=1 print('url.scheme = ', url.scheme) print('url.netloc = ', url.netloc) print('url.hostname = ', url.hostname) print('url.port = ', url.port) print('url.path = ', url.path) print('url.params = ', url.params) print('url.query = ', url.query) print('url.fragment = ', url.fragment) print('url.username = ', url.username) print('url.password = ', url.password)
<?php $urls = array( 'foo://example.com:8042/over/there?name=ferret#nose', 'urn:example:animal:ferret:nose', 'jdbc:mysql://test_user:ouupppssss@localhost:3306/sakila?profileSQL=true', 'ftp://ftp.is.co.za/rfc/rfc1808.txt', 'http://www.ietf.org/rfc/rfc2396.txt#header1', 'ldap://[2001:db8::7]/c=GB?objectClass=one&objectClass=two', 'mailto:John.Doe@example.com', 'news:comp.infosystems.www.servers.unix', 'tel:+1-816-555-1212', 'telnet://192.0.2.16:80/', 'urn:oasis:names:specification:docbook:dtd:xml:4.1.2', ); foreach ($urls AS $url) { $p = parse_url($url); echo $url, PHP_EOL; print_r($p); echo PHP_EOL; }
Ensure the translated PHP code behaves exactly like the original Python snippet.
import urllib.parse as up url = up.urlparse('http://user:pass@example.com:8081/path/file.html;params?query1=1 print('url.scheme = ', url.scheme) print('url.netloc = ', url.netloc) print('url.hostname = ', url.hostname) print('url.port = ', url.port) print('url.path = ', url.path) print('url.params = ', url.params) print('url.query = ', url.query) print('url.fragment = ', url.fragment) print('url.username = ', url.username) print('url.password = ', url.password)
<?php $urls = array( 'foo://example.com:8042/over/there?name=ferret#nose', 'urn:example:animal:ferret:nose', 'jdbc:mysql://test_user:ouupppssss@localhost:3306/sakila?profileSQL=true', 'ftp://ftp.is.co.za/rfc/rfc1808.txt', 'http://www.ietf.org/rfc/rfc2396.txt#header1', 'ldap://[2001:db8::7]/c=GB?objectClass=one&objectClass=two', 'mailto:John.Doe@example.com', 'news:comp.infosystems.www.servers.unix', 'tel:+1-816-555-1212', 'telnet://192.0.2.16:80/', 'urn:oasis:names:specification:docbook:dtd:xml:4.1.2', ); foreach ($urls AS $url) { $p = parse_url($url); echo $url, PHP_EOL; print_r($p); echo PHP_EOL; }
Generate an equivalent PHP version of this Python code.
import urllib.parse as up url = up.urlparse('http://user:pass@example.com:8081/path/file.html;params?query1=1 print('url.scheme = ', url.scheme) print('url.netloc = ', url.netloc) print('url.hostname = ', url.hostname) print('url.port = ', url.port) print('url.path = ', url.path) print('url.params = ', url.params) print('url.query = ', url.query) print('url.fragment = ', url.fragment) print('url.username = ', url.username) print('url.password = ', url.password)
<?php $urls = array( 'foo://example.com:8042/over/there?name=ferret#nose', 'urn:example:animal:ferret:nose', 'jdbc:mysql://test_user:ouupppssss@localhost:3306/sakila?profileSQL=true', 'ftp://ftp.is.co.za/rfc/rfc1808.txt', 'http://www.ietf.org/rfc/rfc2396.txt#header1', 'ldap://[2001:db8::7]/c=GB?objectClass=one&objectClass=two', 'mailto:John.Doe@example.com', 'news:comp.infosystems.www.servers.unix', 'tel:+1-816-555-1212', 'telnet://192.0.2.16:80/', 'urn:oasis:names:specification:docbook:dtd:xml:4.1.2', ); foreach ($urls AS $url) { $p = parse_url($url); echo $url, PHP_EOL; print_r($p); echo PHP_EOL; }
Can you help me rewrite this code in PHP instead of Python, keeping it the same logically?
import urllib.parse as up url = up.urlparse('http://user:pass@example.com:8081/path/file.html;params?query1=1 print('url.scheme = ', url.scheme) print('url.netloc = ', url.netloc) print('url.hostname = ', url.hostname) print('url.port = ', url.port) print('url.path = ', url.path) print('url.params = ', url.params) print('url.query = ', url.query) print('url.fragment = ', url.fragment) print('url.username = ', url.username) print('url.password = ', url.password)
<?php $urls = array( 'foo://example.com:8042/over/there?name=ferret#nose', 'urn:example:animal:ferret:nose', 'jdbc:mysql://test_user:ouupppssss@localhost:3306/sakila?profileSQL=true', 'ftp://ftp.is.co.za/rfc/rfc1808.txt', 'http://www.ietf.org/rfc/rfc2396.txt#header1', 'ldap://[2001:db8::7]/c=GB?objectClass=one&objectClass=two', 'mailto:John.Doe@example.com', 'news:comp.infosystems.www.servers.unix', 'tel:+1-816-555-1212', 'telnet://192.0.2.16:80/', 'urn:oasis:names:specification:docbook:dtd:xml:4.1.2', ); foreach ($urls AS $url) { $p = parse_url($url); echo $url, PHP_EOL; print_r($p); echo PHP_EOL; }
Rewrite this program in PHP while keeping its functionality equivalent to the Python version.
import urllib.parse as up url = up.urlparse('http://user:pass@example.com:8081/path/file.html;params?query1=1 print('url.scheme = ', url.scheme) print('url.netloc = ', url.netloc) print('url.hostname = ', url.hostname) print('url.port = ', url.port) print('url.path = ', url.path) print('url.params = ', url.params) print('url.query = ', url.query) print('url.fragment = ', url.fragment) print('url.username = ', url.username) print('url.password = ', url.password)
<?php $urls = array( 'foo://example.com:8042/over/there?name=ferret#nose', 'urn:example:animal:ferret:nose', 'jdbc:mysql://test_user:ouupppssss@localhost:3306/sakila?profileSQL=true', 'ftp://ftp.is.co.za/rfc/rfc1808.txt', 'http://www.ietf.org/rfc/rfc2396.txt#header1', 'ldap://[2001:db8::7]/c=GB?objectClass=one&objectClass=two', 'mailto:John.Doe@example.com', 'news:comp.infosystems.www.servers.unix', 'tel:+1-816-555-1212', 'telnet://192.0.2.16:80/', 'urn:oasis:names:specification:docbook:dtd:xml:4.1.2', ); foreach ($urls AS $url) { $p = parse_url($url); echo $url, PHP_EOL; print_r($p); echo PHP_EOL; }
Rewrite this program in PHP while keeping its functionality equivalent to the Python version.
import urllib.parse as up url = up.urlparse('http://user:pass@example.com:8081/path/file.html;params?query1=1 print('url.scheme = ', url.scheme) print('url.netloc = ', url.netloc) print('url.hostname = ', url.hostname) print('url.port = ', url.port) print('url.path = ', url.path) print('url.params = ', url.params) print('url.query = ', url.query) print('url.fragment = ', url.fragment) print('url.username = ', url.username) print('url.password = ', url.password)
<?php $urls = array( 'foo://example.com:8042/over/there?name=ferret#nose', 'urn:example:animal:ferret:nose', 'jdbc:mysql://test_user:ouupppssss@localhost:3306/sakila?profileSQL=true', 'ftp://ftp.is.co.za/rfc/rfc1808.txt', 'http://www.ietf.org/rfc/rfc2396.txt#header1', 'ldap://[2001:db8::7]/c=GB?objectClass=one&objectClass=two', 'mailto:John.Doe@example.com', 'news:comp.infosystems.www.servers.unix', 'tel:+1-816-555-1212', 'telnet://192.0.2.16:80/', 'urn:oasis:names:specification:docbook:dtd:xml:4.1.2', ); foreach ($urls AS $url) { $p = parse_url($url); echo $url, PHP_EOL; print_r($p); echo PHP_EOL; }
Translate this program into PHP but keep the logic exactly as in Python.
>>> name = raw_input("Enter a variable name: ") Enter a variable name: X >>> globals()[name] = 42 >>> X 42
<?php $varname = rtrim(fgets(STDIN)); # type in "foo" on standard input $$varname = 42; echo "$foo\n"; # prints "42" ?>
Produce a language-to-language conversion: from Python to PHP, same semantics.
>>> name = raw_input("Enter a variable name: ") Enter a variable name: X >>> globals()[name] = 42 >>> X 42
<?php $varname = rtrim(fgets(STDIN)); # type in "foo" on standard input $$varname = 42; echo "$foo\n"; # prints "42" ?>
Write a version of this Python function in PHP with identical behavior.
>>> name = raw_input("Enter a variable name: ") Enter a variable name: X >>> globals()[name] = 42 >>> X 42
<?php $varname = rtrim(fgets(STDIN)); # type in "foo" on standard input $$varname = 42; echo "$foo\n"; # prints "42" ?>
Convert the following code from Python to PHP, ensuring the logic remains intact.
import inspect class Super(object): def __init__(self, name): self.name = name def __str__(self): return "Super(%s)" % (self.name,) def doSup(self): return 'did super stuff' @classmethod def cls(cls): return 'cls method (in sup)' @classmethod def supCls(cls): return 'Super method' @staticmethod def supStatic(): return 'static method' class Other(object): def otherMethod(self): return 'other method' class Sub(Other, Super): def __init__(self, name, *args): super(Sub, self).__init__(name); self.rest = args; self.methods = {} def __dir__(self): return list(set( \ sum([dir(base) for base in type(self).__bases__], []) \ + type(self).__dict__.keys() \ + self.__dict__.keys() \ + self.methods.keys() \ )) def __getattr__(self, name): if name in self.methods: if callable(self.methods[name]) and self.methods[name].__code__.co_argcount > 0: if self.methods[name].__code__.co_varnames[0] == 'self': return self.methods[name].__get__(self, type(self)) if self.methods[name].__code__.co_varnames[0] == 'cls': return self.methods[name].__get__(type(self), type) return self.methods[name] raise AttributeError("'%s' object has no attribute '%s'" % (type(self).__name__, name)) def __str__(self): return "Sub(%s)" % self.name def doSub(): return 'did sub stuff' @classmethod def cls(cls): return 'cls method (in Sub)' @classmethod def subCls(cls): return 'Sub method' @staticmethod def subStatic(): return 'Sub method' sup = Super('sup') sub = Sub('sub', 0, 'I', 'two') sub.methods['incr'] = lambda x: x+1 sub.methods['strs'] = lambda self, x: str(self) * x [method for method in dir(sub) if callable(getattr(sub, method))] [method for method in dir(sub) if callable(getattr(sub, method)) and hasattr(getattr(sub, method), '__self__') and getattr(sub, method).__self__ == sub] [method for method in dir(sub) if callable(getattr(sub, method)) and hasattr(getattr(sub, method), '__self__') and getattr(sub, method).__self__ == type(sub)] [method for method in dir(sub) if callable(getattr(sub, method)) and type(getattr(sub, method)) == type(lambda:nil)] inspect.getmembers(sub, predicate=inspect.ismethod) map(lambda t: t[0], inspect.getmembers(sub, predicate=inspect.ismethod))
<? class Foo { function bar(int $x) { } } $method_names = get_class_methods('Foo'); foreach ($method_names as $name) { echo "$name\n"; $method_info = new ReflectionMethod('Foo', $name); echo $method_info; } ?>
Generate a PHP translation of this Python snippet without changing its computational steps.
import inspect class Super(object): def __init__(self, name): self.name = name def __str__(self): return "Super(%s)" % (self.name,) def doSup(self): return 'did super stuff' @classmethod def cls(cls): return 'cls method (in sup)' @classmethod def supCls(cls): return 'Super method' @staticmethod def supStatic(): return 'static method' class Other(object): def otherMethod(self): return 'other method' class Sub(Other, Super): def __init__(self, name, *args): super(Sub, self).__init__(name); self.rest = args; self.methods = {} def __dir__(self): return list(set( \ sum([dir(base) for base in type(self).__bases__], []) \ + type(self).__dict__.keys() \ + self.__dict__.keys() \ + self.methods.keys() \ )) def __getattr__(self, name): if name in self.methods: if callable(self.methods[name]) and self.methods[name].__code__.co_argcount > 0: if self.methods[name].__code__.co_varnames[0] == 'self': return self.methods[name].__get__(self, type(self)) if self.methods[name].__code__.co_varnames[0] == 'cls': return self.methods[name].__get__(type(self), type) return self.methods[name] raise AttributeError("'%s' object has no attribute '%s'" % (type(self).__name__, name)) def __str__(self): return "Sub(%s)" % self.name def doSub(): return 'did sub stuff' @classmethod def cls(cls): return 'cls method (in Sub)' @classmethod def subCls(cls): return 'Sub method' @staticmethod def subStatic(): return 'Sub method' sup = Super('sup') sub = Sub('sub', 0, 'I', 'two') sub.methods['incr'] = lambda x: x+1 sub.methods['strs'] = lambda self, x: str(self) * x [method for method in dir(sub) if callable(getattr(sub, method))] [method for method in dir(sub) if callable(getattr(sub, method)) and hasattr(getattr(sub, method), '__self__') and getattr(sub, method).__self__ == sub] [method for method in dir(sub) if callable(getattr(sub, method)) and hasattr(getattr(sub, method), '__self__') and getattr(sub, method).__self__ == type(sub)] [method for method in dir(sub) if callable(getattr(sub, method)) and type(getattr(sub, method)) == type(lambda:nil)] inspect.getmembers(sub, predicate=inspect.ismethod) map(lambda t: t[0], inspect.getmembers(sub, predicate=inspect.ismethod))
<? class Foo { function bar(int $x) { } } $method_names = get_class_methods('Foo'); foreach ($method_names as $name) { echo "$name\n"; $method_info = new ReflectionMethod('Foo', $name); echo $method_info; } ?>
Produce a functionally identical PHP code for the snippet given in Python.
import inspect class Super(object): def __init__(self, name): self.name = name def __str__(self): return "Super(%s)" % (self.name,) def doSup(self): return 'did super stuff' @classmethod def cls(cls): return 'cls method (in sup)' @classmethod def supCls(cls): return 'Super method' @staticmethod def supStatic(): return 'static method' class Other(object): def otherMethod(self): return 'other method' class Sub(Other, Super): def __init__(self, name, *args): super(Sub, self).__init__(name); self.rest = args; self.methods = {} def __dir__(self): return list(set( \ sum([dir(base) for base in type(self).__bases__], []) \ + type(self).__dict__.keys() \ + self.__dict__.keys() \ + self.methods.keys() \ )) def __getattr__(self, name): if name in self.methods: if callable(self.methods[name]) and self.methods[name].__code__.co_argcount > 0: if self.methods[name].__code__.co_varnames[0] == 'self': return self.methods[name].__get__(self, type(self)) if self.methods[name].__code__.co_varnames[0] == 'cls': return self.methods[name].__get__(type(self), type) return self.methods[name] raise AttributeError("'%s' object has no attribute '%s'" % (type(self).__name__, name)) def __str__(self): return "Sub(%s)" % self.name def doSub(): return 'did sub stuff' @classmethod def cls(cls): return 'cls method (in Sub)' @classmethod def subCls(cls): return 'Sub method' @staticmethod def subStatic(): return 'Sub method' sup = Super('sup') sub = Sub('sub', 0, 'I', 'two') sub.methods['incr'] = lambda x: x+1 sub.methods['strs'] = lambda self, x: str(self) * x [method for method in dir(sub) if callable(getattr(sub, method))] [method for method in dir(sub) if callable(getattr(sub, method)) and hasattr(getattr(sub, method), '__self__') and getattr(sub, method).__self__ == sub] [method for method in dir(sub) if callable(getattr(sub, method)) and hasattr(getattr(sub, method), '__self__') and getattr(sub, method).__self__ == type(sub)] [method for method in dir(sub) if callable(getattr(sub, method)) and type(getattr(sub, method)) == type(lambda:nil)] inspect.getmembers(sub, predicate=inspect.ismethod) map(lambda t: t[0], inspect.getmembers(sub, predicate=inspect.ismethod))
<? class Foo { function bar(int $x) { } } $method_names = get_class_methods('Foo'); foreach ($method_names as $name) { echo "$name\n"; $method_info = new ReflectionMethod('Foo', $name); echo $method_info; } ?>
Generate an equivalent PHP version of this Python code.
var x = 0 var y = 0 There are also multi-line comments Everything inside of ] discard
# this is commented
Write a version of this Python function in PHP with identical behavior.
var x = 0 var y = 0 There are also multi-line comments Everything inside of ] discard
# this is commented
Maintain the same structure and functionality when rewriting this code in PHP.
var x = 0 var y = 0 There are also multi-line comments Everything inside of ] discard
# this is commented
Rewrite this program in PHP while keeping its functionality equivalent to the Python version.
class Example(object): def foo(self, x): return 42 + x name = "foo" getattr(Example(), name)(5)
<?php class Example { function foo($x) { return 42 + $x; } } $example = new Example(); $name = 'foo'; echo $example->$name(5), "\n"; // prints "47" echo call_user_func(array($example, $name), 5), "\n"; ?>
Keep all operations the same but rewrite the snippet in PHP.
class Example(object): def foo(self, x): return 42 + x name = "foo" getattr(Example(), name)(5)
<?php class Example { function foo($x) { return 42 + $x; } } $example = new Example(); $name = 'foo'; echo $example->$name(5), "\n"; // prints "47" echo call_user_func(array($example, $name), 5), "\n"; ?>
Preserve the algorithm and functionality while converting the code from Python to PHP.
class Example(object): def foo(self, x): return 42 + x name = "foo" getattr(Example(), name)(5)
<?php class Example { function foo($x) { return 42 + $x; } } $example = new Example(); $name = 'foo'; echo $example->$name(5), "\n"; // prints "47" echo call_user_func(array($example, $name), 5), "\n"; ?>
Transform the following Python implementation into PHP, maintaining the same output and logic.
example1 = 3 example2 = 3.0 example3 = True example4 = "hello" example1 = "goodbye"
<?php # NULL typed variable $null = NULL; var_dump($null); // output: null # defining a boolean $boolean = true; var_dump($boolean); // output: boolean true $boolean = false; var_dump($boolean); // output: boolean false # bool and boolean is the same $boolean = (bool)1; var_dump($boolean); // output: boolean true $boolean = (boolean)1; var_dump($boolean); // output: boolean true $boolean = (bool)0; var_dump($boolean); // output: boolean false $boolean = (boolean)0; var_dump($boolean); // output: boolean false # defining an integer $int = 0; var_dump($int); // output: int 0 # defining a float, $float = 0.01; var_dump($float); // output: float 0.01 # which is also identical to "real" and "double" var_dump((double)$float); // output: float 0.01 var_dump((real)$float); // output: float 0.01 # casting back to int (auto flooring the value) var_dump((int)$float); // output: int 0 var_dump((int)($float+1)); // output: int 1 var_dump((int)($float+1.9)); // output: int 1 # defining a string $string = 'string'; var_dump($string); // output: string 'string' (length=6) # referencing a variable (there are no pointers in PHP). $another_string = &$string; var_dump($another_string); $string = "I'm the same string!"; var_dump($another_string); # "deleting" a variable from memory unset($another_string); $string = 'string'; $parsed_string = "This is a $string"; var_dump($parsed_string); $parsed_string .= " with another {$string}"; var_dump($parsed_string); # with string parsing $heredoc = <<<HEREDOC This is the content of \$string: {$string} HEREDOC; var_dump($heredoc); # without string parsing (notice the single quotes surrounding NOWDOC) $nowdoc = <<<'NOWDOC' This is the content of \$string: {$string} NOWDOC; var_dump($nowdoc); # as of PHP5, defining an object typed stdClass => standard class $stdObject = new stdClass(); var_dump($stdObject); # defining an object typed Foo class Foo {} $foo = new Foo(); var_dump($foo); # defining an empty array $array = array(); var_dump($array); $assoc = array( 0 => $int, 'integer' => $int, 1 => $float, 'float' => $float, 2 => $string, 'string' => $string, 3 => NULL, // <=== key 3 is NULL 3, // <=== this is a value, not a key (key is 4) 5 => $stdObject, 'Foo' => $foo, ); var_dump($assoc); function a_function() { # not reachable var_dump(isset($foo)); // output: boolean false global $foo; # "global" (reachable) inside a_function()'s scope var_dump(isset($foo)); // output: boolean true } a_function();
Keep all operations the same but rewrite the snippet in PHP.
example1 = 3 example2 = 3.0 example3 = True example4 = "hello" example1 = "goodbye"
<?php # NULL typed variable $null = NULL; var_dump($null); // output: null # defining a boolean $boolean = true; var_dump($boolean); // output: boolean true $boolean = false; var_dump($boolean); // output: boolean false # bool and boolean is the same $boolean = (bool)1; var_dump($boolean); // output: boolean true $boolean = (boolean)1; var_dump($boolean); // output: boolean true $boolean = (bool)0; var_dump($boolean); // output: boolean false $boolean = (boolean)0; var_dump($boolean); // output: boolean false # defining an integer $int = 0; var_dump($int); // output: int 0 # defining a float, $float = 0.01; var_dump($float); // output: float 0.01 # which is also identical to "real" and "double" var_dump((double)$float); // output: float 0.01 var_dump((real)$float); // output: float 0.01 # casting back to int (auto flooring the value) var_dump((int)$float); // output: int 0 var_dump((int)($float+1)); // output: int 1 var_dump((int)($float+1.9)); // output: int 1 # defining a string $string = 'string'; var_dump($string); // output: string 'string' (length=6) # referencing a variable (there are no pointers in PHP). $another_string = &$string; var_dump($another_string); $string = "I'm the same string!"; var_dump($another_string); # "deleting" a variable from memory unset($another_string); $string = 'string'; $parsed_string = "This is a $string"; var_dump($parsed_string); $parsed_string .= " with another {$string}"; var_dump($parsed_string); # with string parsing $heredoc = <<<HEREDOC This is the content of \$string: {$string} HEREDOC; var_dump($heredoc); # without string parsing (notice the single quotes surrounding NOWDOC) $nowdoc = <<<'NOWDOC' This is the content of \$string: {$string} NOWDOC; var_dump($nowdoc); # as of PHP5, defining an object typed stdClass => standard class $stdObject = new stdClass(); var_dump($stdObject); # defining an object typed Foo class Foo {} $foo = new Foo(); var_dump($foo); # defining an empty array $array = array(); var_dump($array); $assoc = array( 0 => $int, 'integer' => $int, 1 => $float, 'float' => $float, 2 => $string, 'string' => $string, 3 => NULL, // <=== key 3 is NULL 3, // <=== this is a value, not a key (key is 4) 5 => $stdObject, 'Foo' => $foo, ); var_dump($assoc); function a_function() { # not reachable var_dump(isset($foo)); // output: boolean false global $foo; # "global" (reachable) inside a_function()'s scope var_dump(isset($foo)); // output: boolean true } a_function();
Transform the following Python implementation into PHP, maintaining the same output and logic.
example1 = 3 example2 = 3.0 example3 = True example4 = "hello" example1 = "goodbye"
<?php # NULL typed variable $null = NULL; var_dump($null); // output: null # defining a boolean $boolean = true; var_dump($boolean); // output: boolean true $boolean = false; var_dump($boolean); // output: boolean false # bool and boolean is the same $boolean = (bool)1; var_dump($boolean); // output: boolean true $boolean = (boolean)1; var_dump($boolean); // output: boolean true $boolean = (bool)0; var_dump($boolean); // output: boolean false $boolean = (boolean)0; var_dump($boolean); // output: boolean false # defining an integer $int = 0; var_dump($int); // output: int 0 # defining a float, $float = 0.01; var_dump($float); // output: float 0.01 # which is also identical to "real" and "double" var_dump((double)$float); // output: float 0.01 var_dump((real)$float); // output: float 0.01 # casting back to int (auto flooring the value) var_dump((int)$float); // output: int 0 var_dump((int)($float+1)); // output: int 1 var_dump((int)($float+1.9)); // output: int 1 # defining a string $string = 'string'; var_dump($string); // output: string 'string' (length=6) # referencing a variable (there are no pointers in PHP). $another_string = &$string; var_dump($another_string); $string = "I'm the same string!"; var_dump($another_string); # "deleting" a variable from memory unset($another_string); $string = 'string'; $parsed_string = "This is a $string"; var_dump($parsed_string); $parsed_string .= " with another {$string}"; var_dump($parsed_string); # with string parsing $heredoc = <<<HEREDOC This is the content of \$string: {$string} HEREDOC; var_dump($heredoc); # without string parsing (notice the single quotes surrounding NOWDOC) $nowdoc = <<<'NOWDOC' This is the content of \$string: {$string} NOWDOC; var_dump($nowdoc); # as of PHP5, defining an object typed stdClass => standard class $stdObject = new stdClass(); var_dump($stdObject); # defining an object typed Foo class Foo {} $foo = new Foo(); var_dump($foo); # defining an empty array $array = array(); var_dump($array); $assoc = array( 0 => $int, 'integer' => $int, 1 => $float, 'float' => $float, 2 => $string, 'string' => $string, 3 => NULL, // <=== key 3 is NULL 3, // <=== this is a value, not a key (key is 4) 5 => $stdObject, 'Foo' => $foo, ); var_dump($assoc); function a_function() { # not reachable var_dump(isset($foo)); // output: boolean false global $foo; # "global" (reachable) inside a_function()'s scope var_dump(isset($foo)); // output: boolean true } a_function();
Preserve the algorithm and functionality while converting the code from Python to PHP.
>>> def eval_with_x(code, a, b): return eval(code, {'x':b}) - eval(code, {'x':a}) >>> eval_with_x('2 ** x', 3, 5) 24
<?php function eval_with_x($code, $a, $b) { $x = $a; $first = eval($code); $x = $b; $second = eval($code); return $second - $first; } echo eval_with_x('return 3 * $x;', 5, 10), "\n"; # Prints "15". ?>
Rewrite the snippet below in PHP so it works the same as the original Python code.
>>> def eval_with_x(code, a, b): return eval(code, {'x':b}) - eval(code, {'x':a}) >>> eval_with_x('2 ** x', 3, 5) 24
<?php function eval_with_x($code, $a, $b) { $x = $a; $first = eval($code); $x = $b; $second = eval($code); return $second - $first; } echo eval_with_x('return 3 * $x;', 5, 10), "\n"; # Prints "15". ?>
Write a version of this Python function in PHP with identical behavior.
>>> def eval_with_x(code, a, b): return eval(code, {'x':b}) - eval(code, {'x':a}) >>> eval_with_x('2 ** x', 3, 5) 24
<?php function eval_with_x($code, $a, $b) { $x = $a; $first = eval($code); $x = $b; $second = eval($code); return $second - $first; } echo eval_with_x('return 3 * $x;', 5, 10), "\n"; # Prints "15". ?>
Keep all operations the same but rewrite the snippet in PHP.
>>> def eval_with_x(code, a, b): return eval(code, {'x':b}) - eval(code, {'x':a}) >>> eval_with_x('2 ** x', 3, 5) 24
<?php function eval_with_x($code, $a, $b) { $x = $a; $first = eval($code); $x = $b; $second = eval($code); return $second - $first; } echo eval_with_x('return 3 * $x;', 5, 10), "\n"; # Prints "15". ?>
Change the programming language of this snippet from Python to PHP without modifying what it does.
>>> def eval_with_x(code, a, b): return eval(code, {'x':b}) - eval(code, {'x':a}) >>> eval_with_x('2 ** x', 3, 5) 24
<?php function eval_with_x($code, $a, $b) { $x = $a; $first = eval($code); $x = $b; $second = eval($code); return $second - $first; } echo eval_with_x('return 3 * $x;', 5, 10), "\n"; # Prints "15". ?>
Translate this program into PHP but keep the logic exactly as in Python.
>>> def eval_with_x(code, a, b): return eval(code, {'x':b}) - eval(code, {'x':a}) >>> eval_with_x('2 ** x', 3, 5) 24
<?php function eval_with_x($code, $a, $b) { $x = $a; $first = eval($code); $x = $b; $second = eval($code); return $second - $first; } echo eval_with_x('return 3 * $x;', 5, 10), "\n"; # Prints "15". ?>
Please provide an equivalent version of this Python code in PHP.
>>> exec 10
<?php $code = 'echo "hello world"'; eval($code); $code = 'return "hello world"'; print eval($code);
Translate the given Python code snippet into PHP without altering its behavior.
>>> exec 10
<?php $code = 'echo "hello world"'; eval($code); $code = 'return "hello world"'; print eval($code);
Rewrite the snippet below in PHP so it works the same as the original Python code.
>>> exec 10
<?php $code = 'echo "hello world"'; eval($code); $code = 'return "hello world"'; print eval($code);
Write the same code in PHP as shown below in Python.
>>> exec 10
<?php $code = 'echo "hello world"'; eval($code); $code = 'return "hello world"'; print eval($code);
Rewrite this program in PHP while keeping its functionality equivalent to the Python version.
>>> exec 10
<?php $code = 'echo "hello world"'; eval($code); $code = 'return "hello world"'; print eval($code);
Write the same code in PHP as shown below in Python.
>>> exec 10
<?php $code = 'echo "hello world"'; eval($code); $code = 'return "hello world"'; print eval($code);
Write a version of this Python function in PHP with identical behavior.
from itertools import product def replicateM(n): def rep(m): def go(x): return [[]] if 1 > x else ( liftA2List(lambda a, b: [a] + b)(m)(go(x - 1)) ) return go(n) return lambda m: rep(m) def main(): print( fTable(main.__doc__ + ':\n')(repr)(showList)( replicateM(2) )([[1, 2, 3], 'abc']) ) def liftA2List(f): return lambda xs: lambda ys: [ f(*xy) for xy in product(xs, ys) ] def fTable(s): def go(xShow, fxShow, f, xs): ys = [xShow(x) for x in xs] w = max(map(len, ys)) return s + '\n' + '\n'.join(map( lambda x, y: y.rjust(w, ' ') + ' -> ' + fxShow(f(x)), xs, ys )) return lambda xShow: lambda fxShow: lambda f: lambda xs: go( xShow, fxShow, f, xs ) def showList(xs): return '[' + ','.join( showList(x) if isinstance(x, list) else repr(x) for x in xs ) + ']' if __name__ == '__main__': main()
<?php function permutate($values, $size, $offset) { $count = count($values); $array = array(); for ($i = 0; $i < $size; $i++) { $selector = ($offset / pow($count,$i)) % $count; $array[$i] = $values[$selector]; } return $array; } function permutations($values, $size) { $a = array(); $c = pow(count($values), $size); for ($i = 0; $i<$c; $i++) { $a[$i] = permutate($values, $size, $i); } return $a; } $permutations = permutations(['bat','fox','cow'], 2); foreach ($permutations as $permutation) { echo join(',', $permutation)."\n"; }
Generate a PHP translation of this Python snippet without changing its computational steps.
from itertools import product def replicateM(n): def rep(m): def go(x): return [[]] if 1 > x else ( liftA2List(lambda a, b: [a] + b)(m)(go(x - 1)) ) return go(n) return lambda m: rep(m) def main(): print( fTable(main.__doc__ + ':\n')(repr)(showList)( replicateM(2) )([[1, 2, 3], 'abc']) ) def liftA2List(f): return lambda xs: lambda ys: [ f(*xy) for xy in product(xs, ys) ] def fTable(s): def go(xShow, fxShow, f, xs): ys = [xShow(x) for x in xs] w = max(map(len, ys)) return s + '\n' + '\n'.join(map( lambda x, y: y.rjust(w, ' ') + ' -> ' + fxShow(f(x)), xs, ys )) return lambda xShow: lambda fxShow: lambda f: lambda xs: go( xShow, fxShow, f, xs ) def showList(xs): return '[' + ','.join( showList(x) if isinstance(x, list) else repr(x) for x in xs ) + ']' if __name__ == '__main__': main()
<?php function permutate($values, $size, $offset) { $count = count($values); $array = array(); for ($i = 0; $i < $size; $i++) { $selector = ($offset / pow($count,$i)) % $count; $array[$i] = $values[$selector]; } return $array; } function permutations($values, $size) { $a = array(); $c = pow(count($values), $size); for ($i = 0; $i<$c; $i++) { $a[$i] = permutate($values, $size, $i); } return $a; } $permutations = permutations(['bat','fox','cow'], 2); foreach ($permutations as $permutation) { echo join(',', $permutation)."\n"; }
Can you help me rewrite this code in PHP instead of Python, keeping it the same logically?
from itertools import product def replicateM(n): def rep(m): def go(x): return [[]] if 1 > x else ( liftA2List(lambda a, b: [a] + b)(m)(go(x - 1)) ) return go(n) return lambda m: rep(m) def main(): print( fTable(main.__doc__ + ':\n')(repr)(showList)( replicateM(2) )([[1, 2, 3], 'abc']) ) def liftA2List(f): return lambda xs: lambda ys: [ f(*xy) for xy in product(xs, ys) ] def fTable(s): def go(xShow, fxShow, f, xs): ys = [xShow(x) for x in xs] w = max(map(len, ys)) return s + '\n' + '\n'.join(map( lambda x, y: y.rjust(w, ' ') + ' -> ' + fxShow(f(x)), xs, ys )) return lambda xShow: lambda fxShow: lambda f: lambda xs: go( xShow, fxShow, f, xs ) def showList(xs): return '[' + ','.join( showList(x) if isinstance(x, list) else repr(x) for x in xs ) + ']' if __name__ == '__main__': main()
<?php function permutate($values, $size, $offset) { $count = count($values); $array = array(); for ($i = 0; $i < $size; $i++) { $selector = ($offset / pow($count,$i)) % $count; $array[$i] = $values[$selector]; } return $array; } function permutations($values, $size) { $a = array(); $c = pow(count($values), $size); for ($i = 0; $i<$c; $i++) { $a[$i] = permutate($values, $size, $i); } return $a; } $permutations = permutations(['bat','fox','cow'], 2); foreach ($permutations as $permutation) { echo join(',', $permutation)."\n"; }
Convert this Python block to PHP, preserving its control flow and logic.
from itertools import product def replicateM(n): def rep(m): def go(x): return [[]] if 1 > x else ( liftA2List(lambda a, b: [a] + b)(m)(go(x - 1)) ) return go(n) return lambda m: rep(m) def main(): print( fTable(main.__doc__ + ':\n')(repr)(showList)( replicateM(2) )([[1, 2, 3], 'abc']) ) def liftA2List(f): return lambda xs: lambda ys: [ f(*xy) for xy in product(xs, ys) ] def fTable(s): def go(xShow, fxShow, f, xs): ys = [xShow(x) for x in xs] w = max(map(len, ys)) return s + '\n' + '\n'.join(map( lambda x, y: y.rjust(w, ' ') + ' -> ' + fxShow(f(x)), xs, ys )) return lambda xShow: lambda fxShow: lambda f: lambda xs: go( xShow, fxShow, f, xs ) def showList(xs): return '[' + ','.join( showList(x) if isinstance(x, list) else repr(x) for x in xs ) + ']' if __name__ == '__main__': main()
<?php function permutate($values, $size, $offset) { $count = count($values); $array = array(); for ($i = 0; $i < $size; $i++) { $selector = ($offset / pow($count,$i)) % $count; $array[$i] = $values[$selector]; } return $array; } function permutations($values, $size) { $a = array(); $c = pow(count($values), $size); for ($i = 0; $i<$c; $i++) { $a[$i] = permutate($values, $size, $i); } return $a; } $permutations = permutations(['bat','fox','cow'], 2); foreach ($permutations as $permutation) { echo join(',', $permutation)."\n"; }
Transform the following Python implementation into PHP, maintaining the same output and logic.
from itertools import product def replicateM(n): def rep(m): def go(x): return [[]] if 1 > x else ( liftA2List(lambda a, b: [a] + b)(m)(go(x - 1)) ) return go(n) return lambda m: rep(m) def main(): print( fTable(main.__doc__ + ':\n')(repr)(showList)( replicateM(2) )([[1, 2, 3], 'abc']) ) def liftA2List(f): return lambda xs: lambda ys: [ f(*xy) for xy in product(xs, ys) ] def fTable(s): def go(xShow, fxShow, f, xs): ys = [xShow(x) for x in xs] w = max(map(len, ys)) return s + '\n' + '\n'.join(map( lambda x, y: y.rjust(w, ' ') + ' -> ' + fxShow(f(x)), xs, ys )) return lambda xShow: lambda fxShow: lambda f: lambda xs: go( xShow, fxShow, f, xs ) def showList(xs): return '[' + ','.join( showList(x) if isinstance(x, list) else repr(x) for x in xs ) + ']' if __name__ == '__main__': main()
<?php function permutate($values, $size, $offset) { $count = count($values); $array = array(); for ($i = 0; $i < $size; $i++) { $selector = ($offset / pow($count,$i)) % $count; $array[$i] = $values[$selector]; } return $array; } function permutations($values, $size) { $a = array(); $c = pow(count($values), $size); for ($i = 0; $i<$c; $i++) { $a[$i] = permutate($values, $size, $i); } return $a; } $permutations = permutations(['bat','fox','cow'], 2); foreach ($permutations as $permutation) { echo join(',', $permutation)."\n"; }
Transform the following Python implementation into PHP, maintaining the same output and logic.
from itertools import product def replicateM(n): def rep(m): def go(x): return [[]] if 1 > x else ( liftA2List(lambda a, b: [a] + b)(m)(go(x - 1)) ) return go(n) return lambda m: rep(m) def main(): print( fTable(main.__doc__ + ':\n')(repr)(showList)( replicateM(2) )([[1, 2, 3], 'abc']) ) def liftA2List(f): return lambda xs: lambda ys: [ f(*xy) for xy in product(xs, ys) ] def fTable(s): def go(xShow, fxShow, f, xs): ys = [xShow(x) for x in xs] w = max(map(len, ys)) return s + '\n' + '\n'.join(map( lambda x, y: y.rjust(w, ' ') + ' -> ' + fxShow(f(x)), xs, ys )) return lambda xShow: lambda fxShow: lambda f: lambda xs: go( xShow, fxShow, f, xs ) def showList(xs): return '[' + ','.join( showList(x) if isinstance(x, list) else repr(x) for x in xs ) + ']' if __name__ == '__main__': main()
<?php function permutate($values, $size, $offset) { $count = count($values); $array = array(); for ($i = 0; $i < $size; $i++) { $selector = ($offset / pow($count,$i)) % $count; $array[$i] = $values[$selector]; } return $array; } function permutations($values, $size) { $a = array(); $c = pow(count($values), $size); for ($i = 0; $i<$c; $i++) { $a[$i] = permutate($values, $size, $i); } return $a; } $permutations = permutations(['bat','fox','cow'], 2); foreach ($permutations as $permutation) { echo join(',', $permutation)."\n"; }
Port the following code from Python to PHP with equivalent syntax and logic.
def ownCalcPass (password, nonce, test=False) : start = True num1 = 0 num2 = 0 password = int(password) if test: print("password: %08x" % (password)) for c in nonce : if c != "0": if start: num2 = password start = False if test: print("c: %s num1: %08x num2: %08x" % (c, num1, num2)) if c == '1': num1 = (num2 & 0xFFFFFF80) >> 7 num2 = num2 << 25 elif c == '2': num1 = (num2 & 0xFFFFFFF0) >> 4 num2 = num2 << 28 elif c == '3': num1 = (num2 & 0xFFFFFFF8) >> 3 num2 = num2 << 29 elif c == '4': num1 = num2 << 1 num2 = num2 >> 31 elif c == '5': num1 = num2 << 5 num2 = num2 >> 27 elif c == '6': num1 = num2 << 12 num2 = num2 >> 20 elif c == '7': num1 = num2 & 0x0000FF00 | (( num2 & 0x000000FF ) << 24 ) | (( num2 & 0x00FF0000 ) >> 16 ) num2 = ( num2 & 0xFF000000 ) >> 8 elif c == '8': num1 = (num2 & 0x0000FFFF) << 16 | ( num2 >> 24 ) num2 = (num2 & 0x00FF0000) >> 8 elif c == '9': num1 = ~num2 else : num1 = num2 num1 &= 0xFFFFFFFF num2 &= 0xFFFFFFFF if (c not in "09"): num1 |= num2 if test: print(" num1: %08x num2: %08x" % (num1, num2)) num2 = num1 return num1 def test_passwd_calc(passwd, nonce, expected): res = ownCalcPass(passwd, nonce, False) m = passwd+' '+nonce+' '+str(res)+' '+str(expected) if res == int(expected) : print('PASS '+m) else : print('FAIL '+m) if __name__ == '__main__': test_passwd_calc('12345','603356072','25280520') test_passwd_calc('12345','410501656','119537670') test_passwd_calc('12345','630292165','4269684735')
function ownCalcPass($password, $nonce) { $msr = 0x7FFFFFFF; $m_1 = (int)0xFFFFFFFF; $m_8 = (int)0xFFFFFFF8; $m_16 = (int)0xFFFFFFF0; $m_128 = (int)0xFFFFFF80; $m_16777216 = (int)0xFF000000; $flag = True; $num1 = 0; $num2 = 0; foreach (str_split($nonce) as $c) { $num1 = $num1 & $m_1; $num2 = $num2 & $m_1; if ($c == '1') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & $m_128; $num1 = $num1 >> 1; $num1 = $num1 & $msr; $num1 = $num1 >> 6; $num2 = $num2 << 25; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '2') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & $m_16; $num1 = $num1 >> 1; $num1 = $num1 & $msr; $num1 = $num1 >> 3; $num2 = $num2 << 28; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '3') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & $m_8; $num1 = $num1 >> 1; $num1 = $num1 & $msr; $num1 = $num1 >> 2; $num2 = $num2 << 29; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '4') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 << 1; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 30; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '5') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 << 5; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 26; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '6') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 << 12; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 19; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '7') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & 0xFF00; $num1 = $num1 + (( $num2 & 0xFF ) << 24 ); $num1 = $num1 + (( $num2 & 0xFF0000 ) >> 16 ); $num2 = $num2 & $m_16777216; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 7; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '8') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & 0xFFFF; $num1 = $num1 << 16; $numx = $num2 >> 1; $numx = $numx & $msr; $numx = $numx >> 23; $num1 = $num1 + $numx; $num2 = $num2 & 0xFF0000; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 7; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '9') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = ~(int)$num2; $flag = False; } else { $num1 = $num2; } $num2 = $num1; } return sprintf('%u', $num1 & $m_1); }
Please provide an equivalent version of this Python code in PHP.
def ownCalcPass (password, nonce, test=False) : start = True num1 = 0 num2 = 0 password = int(password) if test: print("password: %08x" % (password)) for c in nonce : if c != "0": if start: num2 = password start = False if test: print("c: %s num1: %08x num2: %08x" % (c, num1, num2)) if c == '1': num1 = (num2 & 0xFFFFFF80) >> 7 num2 = num2 << 25 elif c == '2': num1 = (num2 & 0xFFFFFFF0) >> 4 num2 = num2 << 28 elif c == '3': num1 = (num2 & 0xFFFFFFF8) >> 3 num2 = num2 << 29 elif c == '4': num1 = num2 << 1 num2 = num2 >> 31 elif c == '5': num1 = num2 << 5 num2 = num2 >> 27 elif c == '6': num1 = num2 << 12 num2 = num2 >> 20 elif c == '7': num1 = num2 & 0x0000FF00 | (( num2 & 0x000000FF ) << 24 ) | (( num2 & 0x00FF0000 ) >> 16 ) num2 = ( num2 & 0xFF000000 ) >> 8 elif c == '8': num1 = (num2 & 0x0000FFFF) << 16 | ( num2 >> 24 ) num2 = (num2 & 0x00FF0000) >> 8 elif c == '9': num1 = ~num2 else : num1 = num2 num1 &= 0xFFFFFFFF num2 &= 0xFFFFFFFF if (c not in "09"): num1 |= num2 if test: print(" num1: %08x num2: %08x" % (num1, num2)) num2 = num1 return num1 def test_passwd_calc(passwd, nonce, expected): res = ownCalcPass(passwd, nonce, False) m = passwd+' '+nonce+' '+str(res)+' '+str(expected) if res == int(expected) : print('PASS '+m) else : print('FAIL '+m) if __name__ == '__main__': test_passwd_calc('12345','603356072','25280520') test_passwd_calc('12345','410501656','119537670') test_passwd_calc('12345','630292165','4269684735')
function ownCalcPass($password, $nonce) { $msr = 0x7FFFFFFF; $m_1 = (int)0xFFFFFFFF; $m_8 = (int)0xFFFFFFF8; $m_16 = (int)0xFFFFFFF0; $m_128 = (int)0xFFFFFF80; $m_16777216 = (int)0xFF000000; $flag = True; $num1 = 0; $num2 = 0; foreach (str_split($nonce) as $c) { $num1 = $num1 & $m_1; $num2 = $num2 & $m_1; if ($c == '1') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & $m_128; $num1 = $num1 >> 1; $num1 = $num1 & $msr; $num1 = $num1 >> 6; $num2 = $num2 << 25; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '2') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & $m_16; $num1 = $num1 >> 1; $num1 = $num1 & $msr; $num1 = $num1 >> 3; $num2 = $num2 << 28; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '3') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & $m_8; $num1 = $num1 >> 1; $num1 = $num1 & $msr; $num1 = $num1 >> 2; $num2 = $num2 << 29; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '4') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 << 1; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 30; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '5') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 << 5; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 26; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '6') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 << 12; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 19; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '7') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & 0xFF00; $num1 = $num1 + (( $num2 & 0xFF ) << 24 ); $num1 = $num1 + (( $num2 & 0xFF0000 ) >> 16 ); $num2 = $num2 & $m_16777216; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 7; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '8') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & 0xFFFF; $num1 = $num1 << 16; $numx = $num2 >> 1; $numx = $numx & $msr; $numx = $numx >> 23; $num1 = $num1 + $numx; $num2 = $num2 & 0xFF0000; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 7; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '9') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = ~(int)$num2; $flag = False; } else { $num1 = $num2; } $num2 = $num1; } return sprintf('%u', $num1 & $m_1); }
Ensure the translated PHP code behaves exactly like the original Python snippet.
def ownCalcPass (password, nonce, test=False) : start = True num1 = 0 num2 = 0 password = int(password) if test: print("password: %08x" % (password)) for c in nonce : if c != "0": if start: num2 = password start = False if test: print("c: %s num1: %08x num2: %08x" % (c, num1, num2)) if c == '1': num1 = (num2 & 0xFFFFFF80) >> 7 num2 = num2 << 25 elif c == '2': num1 = (num2 & 0xFFFFFFF0) >> 4 num2 = num2 << 28 elif c == '3': num1 = (num2 & 0xFFFFFFF8) >> 3 num2 = num2 << 29 elif c == '4': num1 = num2 << 1 num2 = num2 >> 31 elif c == '5': num1 = num2 << 5 num2 = num2 >> 27 elif c == '6': num1 = num2 << 12 num2 = num2 >> 20 elif c == '7': num1 = num2 & 0x0000FF00 | (( num2 & 0x000000FF ) << 24 ) | (( num2 & 0x00FF0000 ) >> 16 ) num2 = ( num2 & 0xFF000000 ) >> 8 elif c == '8': num1 = (num2 & 0x0000FFFF) << 16 | ( num2 >> 24 ) num2 = (num2 & 0x00FF0000) >> 8 elif c == '9': num1 = ~num2 else : num1 = num2 num1 &= 0xFFFFFFFF num2 &= 0xFFFFFFFF if (c not in "09"): num1 |= num2 if test: print(" num1: %08x num2: %08x" % (num1, num2)) num2 = num1 return num1 def test_passwd_calc(passwd, nonce, expected): res = ownCalcPass(passwd, nonce, False) m = passwd+' '+nonce+' '+str(res)+' '+str(expected) if res == int(expected) : print('PASS '+m) else : print('FAIL '+m) if __name__ == '__main__': test_passwd_calc('12345','603356072','25280520') test_passwd_calc('12345','410501656','119537670') test_passwd_calc('12345','630292165','4269684735')
function ownCalcPass($password, $nonce) { $msr = 0x7FFFFFFF; $m_1 = (int)0xFFFFFFFF; $m_8 = (int)0xFFFFFFF8; $m_16 = (int)0xFFFFFFF0; $m_128 = (int)0xFFFFFF80; $m_16777216 = (int)0xFF000000; $flag = True; $num1 = 0; $num2 = 0; foreach (str_split($nonce) as $c) { $num1 = $num1 & $m_1; $num2 = $num2 & $m_1; if ($c == '1') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & $m_128; $num1 = $num1 >> 1; $num1 = $num1 & $msr; $num1 = $num1 >> 6; $num2 = $num2 << 25; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '2') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & $m_16; $num1 = $num1 >> 1; $num1 = $num1 & $msr; $num1 = $num1 >> 3; $num2 = $num2 << 28; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '3') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & $m_8; $num1 = $num1 >> 1; $num1 = $num1 & $msr; $num1 = $num1 >> 2; $num2 = $num2 << 29; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '4') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 << 1; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 30; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '5') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 << 5; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 26; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '6') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 << 12; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 19; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '7') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & 0xFF00; $num1 = $num1 + (( $num2 & 0xFF ) << 24 ); $num1 = $num1 + (( $num2 & 0xFF0000 ) >> 16 ); $num2 = $num2 & $m_16777216; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 7; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '8') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = $num2 & 0xFFFF; $num1 = $num1 << 16; $numx = $num2 >> 1; $numx = $numx & $msr; $numx = $numx >> 23; $num1 = $num1 + $numx; $num2 = $num2 & 0xFF0000; $num2 = $num2 >> 1; $num2 = $num2 & $msr; $num2 = $num2 >> 7; $num1 = $num1 + $num2; $flag = False; } elseif ($c == '9') { $length = !$flag; if (!$length) { $num2 = $password; } $num1 = ~(int)$num2; $flag = False; } else { $num1 = $num2; } $num2 = $num1; } return sprintf('%u', $num1 & $m_1); }
Produce a language-to-language conversion: from Python to PHP, same semantics.
from __future__ import annotations import functools import math import os from typing import Any from typing import Callable from typing import Generic from typing import List from typing import TypeVar from typing import Union T = TypeVar("T") class Writer(Generic[T]): def __init__(self, value: Union[T, Writer[T]], *msgs: str): if isinstance(value, Writer): self.value: T = value.value self.msgs: List[str] = value.msgs + list(msgs) else: self.value = value self.msgs = list(f"{msg}: {self.value}" for msg in msgs) def bind(self, func: Callable[[T], Writer[Any]]) -> Writer[Any]: writer = func(self.value) return Writer(writer, *self.msgs) def __rshift__(self, func: Callable[[T], Writer[Any]]) -> Writer[Any]: return self.bind(func) def __str__(self): return f"{self.value}\n{os.linesep.join(reversed(self.msgs))}" def __repr__(self): return f"Writer({self.value}, \"{', '.join(reversed(self.msgs))}\")" def lift(func: Callable, msg: str) -> Callable[[Any], Writer[Any]]: @functools.wraps(func) def wrapped(value): return Writer(func(value), msg) return wrapped if __name__ == "__main__": square_root = lift(math.sqrt, "square root") add_one = lift(lambda x: x + 1, "add one") half = lift(lambda x: x / 2, "div two") print(Writer(5, "initial") >> square_root >> add_one >> half)
class WriterMonad { private $value; private $logs; private function __construct($value, array $logs = []) { $this->value = $value; $this->logs = $logs; } public static function unit($value, string $log): WriterMonad { return new WriterMonad($value, ["{$log}: {$value}"]); } public function bind(callable $mapper): WriterMonad { $mapped = $mapper($this->value); assert($mapped instanceof WriterMonad); return new WriterMonad($mapped->value, [...$this->logs, ...$mapped->logs]); } public function value() { return $this->value; } public function logs(): array { return $this->logs; } } $root = fn(float $i): float => sqrt($i); $addOne = fn(float $i): float => $i + 1; $half = fn(float $i): float => $i / 2; $m = fn (callable $callback, string $log): callable => fn ($value): WriterMonad => WriterMonad::unit($callback($value), $log); $result = WriterMonad::unit(5, "Initial value") ->bind($m($root, "square root")) ->bind($m($addOne, "add one")) ->bind($m($half, "half")); print "The Golden Ratio is: {$result->value()}\n"; print join("\n", $result->logs());
Maintain the same structure and functionality when rewriting this code in PHP.
from __future__ import annotations import functools import math import os from typing import Any from typing import Callable from typing import Generic from typing import List from typing import TypeVar from typing import Union T = TypeVar("T") class Writer(Generic[T]): def __init__(self, value: Union[T, Writer[T]], *msgs: str): if isinstance(value, Writer): self.value: T = value.value self.msgs: List[str] = value.msgs + list(msgs) else: self.value = value self.msgs = list(f"{msg}: {self.value}" for msg in msgs) def bind(self, func: Callable[[T], Writer[Any]]) -> Writer[Any]: writer = func(self.value) return Writer(writer, *self.msgs) def __rshift__(self, func: Callable[[T], Writer[Any]]) -> Writer[Any]: return self.bind(func) def __str__(self): return f"{self.value}\n{os.linesep.join(reversed(self.msgs))}" def __repr__(self): return f"Writer({self.value}, \"{', '.join(reversed(self.msgs))}\")" def lift(func: Callable, msg: str) -> Callable[[Any], Writer[Any]]: @functools.wraps(func) def wrapped(value): return Writer(func(value), msg) return wrapped if __name__ == "__main__": square_root = lift(math.sqrt, "square root") add_one = lift(lambda x: x + 1, "add one") half = lift(lambda x: x / 2, "div two") print(Writer(5, "initial") >> square_root >> add_one >> half)
class WriterMonad { private $value; private $logs; private function __construct($value, array $logs = []) { $this->value = $value; $this->logs = $logs; } public static function unit($value, string $log): WriterMonad { return new WriterMonad($value, ["{$log}: {$value}"]); } public function bind(callable $mapper): WriterMonad { $mapped = $mapper($this->value); assert($mapped instanceof WriterMonad); return new WriterMonad($mapped->value, [...$this->logs, ...$mapped->logs]); } public function value() { return $this->value; } public function logs(): array { return $this->logs; } } $root = fn(float $i): float => sqrt($i); $addOne = fn(float $i): float => $i + 1; $half = fn(float $i): float => $i / 2; $m = fn (callable $callback, string $log): callable => fn ($value): WriterMonad => WriterMonad::unit($callback($value), $log); $result = WriterMonad::unit(5, "Initial value") ->bind($m($root, "square root")) ->bind($m($addOne, "add one")) ->bind($m($half, "half")); print "The Golden Ratio is: {$result->value()}\n"; print join("\n", $result->logs());
Produce a functionally identical PHP code for the snippet given in Python.
from __future__ import annotations import functools import math import os from typing import Any from typing import Callable from typing import Generic from typing import List from typing import TypeVar from typing import Union T = TypeVar("T") class Writer(Generic[T]): def __init__(self, value: Union[T, Writer[T]], *msgs: str): if isinstance(value, Writer): self.value: T = value.value self.msgs: List[str] = value.msgs + list(msgs) else: self.value = value self.msgs = list(f"{msg}: {self.value}" for msg in msgs) def bind(self, func: Callable[[T], Writer[Any]]) -> Writer[Any]: writer = func(self.value) return Writer(writer, *self.msgs) def __rshift__(self, func: Callable[[T], Writer[Any]]) -> Writer[Any]: return self.bind(func) def __str__(self): return f"{self.value}\n{os.linesep.join(reversed(self.msgs))}" def __repr__(self): return f"Writer({self.value}, \"{', '.join(reversed(self.msgs))}\")" def lift(func: Callable, msg: str) -> Callable[[Any], Writer[Any]]: @functools.wraps(func) def wrapped(value): return Writer(func(value), msg) return wrapped if __name__ == "__main__": square_root = lift(math.sqrt, "square root") add_one = lift(lambda x: x + 1, "add one") half = lift(lambda x: x / 2, "div two") print(Writer(5, "initial") >> square_root >> add_one >> half)
class WriterMonad { private $value; private $logs; private function __construct($value, array $logs = []) { $this->value = $value; $this->logs = $logs; } public static function unit($value, string $log): WriterMonad { return new WriterMonad($value, ["{$log}: {$value}"]); } public function bind(callable $mapper): WriterMonad { $mapped = $mapper($this->value); assert($mapped instanceof WriterMonad); return new WriterMonad($mapped->value, [...$this->logs, ...$mapped->logs]); } public function value() { return $this->value; } public function logs(): array { return $this->logs; } } $root = fn(float $i): float => sqrt($i); $addOne = fn(float $i): float => $i + 1; $half = fn(float $i): float => $i / 2; $m = fn (callable $callback, string $log): callable => fn ($value): WriterMonad => WriterMonad::unit($callback($value), $log); $result = WriterMonad::unit(5, "Initial value") ->bind($m($root, "square root")) ->bind($m($addOne, "add one")) ->bind($m($half, "half")); print "The Golden Ratio is: {$result->value()}\n"; print join("\n", $result->logs());
Can you help me rewrite this code in PHP instead of Python, keeping it the same logically?
import numpy as np from scipy.ndimage.filters import convolve, gaussian_filter from scipy.misc import imread, imshow def CannyEdgeDetector(im, blur = 1, highThreshold = 91, lowThreshold = 31): im = np.array(im, dtype=float) im2 = gaussian_filter(im, blur) im3h = convolve(im2,[[-1,0,1],[-2,0,2],[-1,0,1]]) im3v = convolve(im2,[[1,2,1],[0,0,0],[-1,-2,-1]]) grad = np.power(np.power(im3h, 2.0) + np.power(im3v, 2.0), 0.5) theta = np.arctan2(im3v, im3h) thetaQ = (np.round(theta * (5.0 / np.pi)) + 5) % 5 gradSup = grad.copy() for r in range(im.shape[0]): for c in range(im.shape[1]): if r == 0 or r == im.shape[0]-1 or c == 0 or c == im.shape[1] - 1: gradSup[r, c] = 0 continue tq = thetaQ[r, c] % 4 if tq == 0: if grad[r, c] <= grad[r, c-1] or grad[r, c] <= grad[r, c+1]: gradSup[r, c] = 0 if tq == 1: if grad[r, c] <= grad[r-1, c+1] or grad[r, c] <= grad[r+1, c-1]: gradSup[r, c] = 0 if tq == 2: if grad[r, c] <= grad[r-1, c] or grad[r, c] <= grad[r+1, c]: gradSup[r, c] = 0 if tq == 3: if grad[r, c] <= grad[r-1, c-1] or grad[r, c] <= grad[r+1, c+1]: gradSup[r, c] = 0 strongEdges = (gradSup > highThreshold) thresholdedEdges = np.array(strongEdges, dtype=np.uint8) + (gradSup > lowThreshold) finalEdges = strongEdges.copy() currentPixels = [] for r in range(1, im.shape[0]-1): for c in range(1, im.shape[1]-1): if thresholdedEdges[r, c] != 1: continue localPatch = thresholdedEdges[r-1:r+2,c-1:c+2] patchMax = localPatch.max() if patchMax == 2: currentPixels.append((r, c)) finalEdges[r, c] = 1 while len(currentPixels) > 0: newPix = [] for r, c in currentPixels: for dr in range(-1, 2): for dc in range(-1, 2): if dr == 0 and dc == 0: continue r2 = r+dr c2 = c+dc if thresholdedEdges[r2, c2] == 1 and finalEdges[r2, c2] == 0: newPix.append((r2, c2)) finalEdges[r2, c2] = 1 currentPixels = newPix return finalEdges if __name__=="__main__": im = imread("test.jpg", mode="L") finalEdges = CannyEdgeDetector(im) imshow(finalEdges)
function RGBtoHSV($r, $g, $b) { $r = $r/255.; // convert to range 0..1 $g = $g/255.; $b = $b/255.; $cols = array("r" => $r, "g" => $g, "b" => $b); asort($cols, SORT_NUMERIC); $min = key(array_slice($cols, 1)); // "r", "g" or "b" $max = key(array_slice($cols, -1)); // "r", "g" or "b" if($cols[$min] == $cols[$max]) { $h = 0; } else { if($max == "r") { $h = 60. * ( 0 + ( ($cols["g"]-$cols["b"]) / ($cols[$max]-$cols[$min]) ) ); } elseif ($max == "g") { $h = 60. * ( 2 + ( ($cols["b"]-$cols["r"]) / ($cols[$max]-$cols[$min]) ) ); } elseif ($max == "b") { $h = 60. * ( 4 + ( ($cols["r"]-$cols["g"]) / ($cols[$max]-$cols[$min]) ) ); } if($h < 0) { $h += 360; } } if($cols[$max] == 0) { $s = 0; } else { $s = ( ($cols[$max]-$cols[$min])/$cols[$max] ); $s = $s * 255; } $v = $cols[$max]; $v = $v * 255; return(array($h, $s, $v)); } $filename = "image.png"; $dimensions = getimagesize($filename); $w = $dimensions[0]; // width $h = $dimensions[1]; // height $im = imagecreatefrompng($filename); for($hi=0; $hi < $h; $hi++) { for($wi=0; $wi < $w; $wi++) { $rgb = imagecolorat($im, $wi, $hi); $r = ($rgb >> 16) & 0xFF; $g = ($rgb >> 8) & 0xFF; $b = $rgb & 0xFF; $hsv = RGBtoHSV($r, $g, $b); $brgb = imagecolorat($im, $wi, $hi+1); $br = ($brgb >> 16) & 0xFF; $bg = ($brgb >> 8) & 0xFF; $bb = $brgb & 0xFF; $bhsv = RGBtoHSV($br, $bg, $bb); if($hsv[2]-$bhsv[2] > 20) { imagesetpixel($im, $wi, $hi, imagecolorallocate($im, 255, 0, 0)); } else { imagesetpixel($im, $wi, $hi, imagecolorallocate($im, 0, 0, 0)); } } } header('Content-Type: image/jpeg'); imagepng($im); imagedestroy($im);
Produce a language-to-language conversion: from Python to PHP, same semantics.
import numpy as np from scipy.ndimage.filters import convolve, gaussian_filter from scipy.misc import imread, imshow def CannyEdgeDetector(im, blur = 1, highThreshold = 91, lowThreshold = 31): im = np.array(im, dtype=float) im2 = gaussian_filter(im, blur) im3h = convolve(im2,[[-1,0,1],[-2,0,2],[-1,0,1]]) im3v = convolve(im2,[[1,2,1],[0,0,0],[-1,-2,-1]]) grad = np.power(np.power(im3h, 2.0) + np.power(im3v, 2.0), 0.5) theta = np.arctan2(im3v, im3h) thetaQ = (np.round(theta * (5.0 / np.pi)) + 5) % 5 gradSup = grad.copy() for r in range(im.shape[0]): for c in range(im.shape[1]): if r == 0 or r == im.shape[0]-1 or c == 0 or c == im.shape[1] - 1: gradSup[r, c] = 0 continue tq = thetaQ[r, c] % 4 if tq == 0: if grad[r, c] <= grad[r, c-1] or grad[r, c] <= grad[r, c+1]: gradSup[r, c] = 0 if tq == 1: if grad[r, c] <= grad[r-1, c+1] or grad[r, c] <= grad[r+1, c-1]: gradSup[r, c] = 0 if tq == 2: if grad[r, c] <= grad[r-1, c] or grad[r, c] <= grad[r+1, c]: gradSup[r, c] = 0 if tq == 3: if grad[r, c] <= grad[r-1, c-1] or grad[r, c] <= grad[r+1, c+1]: gradSup[r, c] = 0 strongEdges = (gradSup > highThreshold) thresholdedEdges = np.array(strongEdges, dtype=np.uint8) + (gradSup > lowThreshold) finalEdges = strongEdges.copy() currentPixels = [] for r in range(1, im.shape[0]-1): for c in range(1, im.shape[1]-1): if thresholdedEdges[r, c] != 1: continue localPatch = thresholdedEdges[r-1:r+2,c-1:c+2] patchMax = localPatch.max() if patchMax == 2: currentPixels.append((r, c)) finalEdges[r, c] = 1 while len(currentPixels) > 0: newPix = [] for r, c in currentPixels: for dr in range(-1, 2): for dc in range(-1, 2): if dr == 0 and dc == 0: continue r2 = r+dr c2 = c+dc if thresholdedEdges[r2, c2] == 1 and finalEdges[r2, c2] == 0: newPix.append((r2, c2)) finalEdges[r2, c2] = 1 currentPixels = newPix return finalEdges if __name__=="__main__": im = imread("test.jpg", mode="L") finalEdges = CannyEdgeDetector(im) imshow(finalEdges)
function RGBtoHSV($r, $g, $b) { $r = $r/255.; // convert to range 0..1 $g = $g/255.; $b = $b/255.; $cols = array("r" => $r, "g" => $g, "b" => $b); asort($cols, SORT_NUMERIC); $min = key(array_slice($cols, 1)); // "r", "g" or "b" $max = key(array_slice($cols, -1)); // "r", "g" or "b" if($cols[$min] == $cols[$max]) { $h = 0; } else { if($max == "r") { $h = 60. * ( 0 + ( ($cols["g"]-$cols["b"]) / ($cols[$max]-$cols[$min]) ) ); } elseif ($max == "g") { $h = 60. * ( 2 + ( ($cols["b"]-$cols["r"]) / ($cols[$max]-$cols[$min]) ) ); } elseif ($max == "b") { $h = 60. * ( 4 + ( ($cols["r"]-$cols["g"]) / ($cols[$max]-$cols[$min]) ) ); } if($h < 0) { $h += 360; } } if($cols[$max] == 0) { $s = 0; } else { $s = ( ($cols[$max]-$cols[$min])/$cols[$max] ); $s = $s * 255; } $v = $cols[$max]; $v = $v * 255; return(array($h, $s, $v)); } $filename = "image.png"; $dimensions = getimagesize($filename); $w = $dimensions[0]; // width $h = $dimensions[1]; // height $im = imagecreatefrompng($filename); for($hi=0; $hi < $h; $hi++) { for($wi=0; $wi < $w; $wi++) { $rgb = imagecolorat($im, $wi, $hi); $r = ($rgb >> 16) & 0xFF; $g = ($rgb >> 8) & 0xFF; $b = $rgb & 0xFF; $hsv = RGBtoHSV($r, $g, $b); $brgb = imagecolorat($im, $wi, $hi+1); $br = ($brgb >> 16) & 0xFF; $bg = ($brgb >> 8) & 0xFF; $bb = $brgb & 0xFF; $bhsv = RGBtoHSV($br, $bg, $bb); if($hsv[2]-$bhsv[2] > 20) { imagesetpixel($im, $wi, $hi, imagecolorallocate($im, 255, 0, 0)); } else { imagesetpixel($im, $wi, $hi, imagecolorallocate($im, 0, 0, 0)); } } } header('Content-Type: image/jpeg'); imagepng($im); imagedestroy($im);
Change the following Python code into PHP without altering its purpose.
import numpy as np from scipy.ndimage.filters import convolve, gaussian_filter from scipy.misc import imread, imshow def CannyEdgeDetector(im, blur = 1, highThreshold = 91, lowThreshold = 31): im = np.array(im, dtype=float) im2 = gaussian_filter(im, blur) im3h = convolve(im2,[[-1,0,1],[-2,0,2],[-1,0,1]]) im3v = convolve(im2,[[1,2,1],[0,0,0],[-1,-2,-1]]) grad = np.power(np.power(im3h, 2.0) + np.power(im3v, 2.0), 0.5) theta = np.arctan2(im3v, im3h) thetaQ = (np.round(theta * (5.0 / np.pi)) + 5) % 5 gradSup = grad.copy() for r in range(im.shape[0]): for c in range(im.shape[1]): if r == 0 or r == im.shape[0]-1 or c == 0 or c == im.shape[1] - 1: gradSup[r, c] = 0 continue tq = thetaQ[r, c] % 4 if tq == 0: if grad[r, c] <= grad[r, c-1] or grad[r, c] <= grad[r, c+1]: gradSup[r, c] = 0 if tq == 1: if grad[r, c] <= grad[r-1, c+1] or grad[r, c] <= grad[r+1, c-1]: gradSup[r, c] = 0 if tq == 2: if grad[r, c] <= grad[r-1, c] or grad[r, c] <= grad[r+1, c]: gradSup[r, c] = 0 if tq == 3: if grad[r, c] <= grad[r-1, c-1] or grad[r, c] <= grad[r+1, c+1]: gradSup[r, c] = 0 strongEdges = (gradSup > highThreshold) thresholdedEdges = np.array(strongEdges, dtype=np.uint8) + (gradSup > lowThreshold) finalEdges = strongEdges.copy() currentPixels = [] for r in range(1, im.shape[0]-1): for c in range(1, im.shape[1]-1): if thresholdedEdges[r, c] != 1: continue localPatch = thresholdedEdges[r-1:r+2,c-1:c+2] patchMax = localPatch.max() if patchMax == 2: currentPixels.append((r, c)) finalEdges[r, c] = 1 while len(currentPixels) > 0: newPix = [] for r, c in currentPixels: for dr in range(-1, 2): for dc in range(-1, 2): if dr == 0 and dc == 0: continue r2 = r+dr c2 = c+dc if thresholdedEdges[r2, c2] == 1 and finalEdges[r2, c2] == 0: newPix.append((r2, c2)) finalEdges[r2, c2] = 1 currentPixels = newPix return finalEdges if __name__=="__main__": im = imread("test.jpg", mode="L") finalEdges = CannyEdgeDetector(im) imshow(finalEdges)
function RGBtoHSV($r, $g, $b) { $r = $r/255.; // convert to range 0..1 $g = $g/255.; $b = $b/255.; $cols = array("r" => $r, "g" => $g, "b" => $b); asort($cols, SORT_NUMERIC); $min = key(array_slice($cols, 1)); // "r", "g" or "b" $max = key(array_slice($cols, -1)); // "r", "g" or "b" if($cols[$min] == $cols[$max]) { $h = 0; } else { if($max == "r") { $h = 60. * ( 0 + ( ($cols["g"]-$cols["b"]) / ($cols[$max]-$cols[$min]) ) ); } elseif ($max == "g") { $h = 60. * ( 2 + ( ($cols["b"]-$cols["r"]) / ($cols[$max]-$cols[$min]) ) ); } elseif ($max == "b") { $h = 60. * ( 4 + ( ($cols["r"]-$cols["g"]) / ($cols[$max]-$cols[$min]) ) ); } if($h < 0) { $h += 360; } } if($cols[$max] == 0) { $s = 0; } else { $s = ( ($cols[$max]-$cols[$min])/$cols[$max] ); $s = $s * 255; } $v = $cols[$max]; $v = $v * 255; return(array($h, $s, $v)); } $filename = "image.png"; $dimensions = getimagesize($filename); $w = $dimensions[0]; // width $h = $dimensions[1]; // height $im = imagecreatefrompng($filename); for($hi=0; $hi < $h; $hi++) { for($wi=0; $wi < $w; $wi++) { $rgb = imagecolorat($im, $wi, $hi); $r = ($rgb >> 16) & 0xFF; $g = ($rgb >> 8) & 0xFF; $b = $rgb & 0xFF; $hsv = RGBtoHSV($r, $g, $b); $brgb = imagecolorat($im, $wi, $hi+1); $br = ($brgb >> 16) & 0xFF; $bg = ($brgb >> 8) & 0xFF; $bb = $brgb & 0xFF; $bhsv = RGBtoHSV($br, $bg, $bb); if($hsv[2]-$bhsv[2] > 20) { imagesetpixel($im, $wi, $hi, imagecolorallocate($im, 255, 0, 0)); } else { imagesetpixel($im, $wi, $hi, imagecolorallocate($im, 0, 0, 0)); } } } header('Content-Type: image/jpeg'); imagepng($im); imagedestroy($im);