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run code in 150+ php & hhvm versions
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<?php function parseQueryString($str) { $result = []; foreach (explode('&', $str) as $element) { $parts = explode('=', $element, 2); $key = urldecode(array_shift($parts)); $value = $parts ? urldecode(array_shift($parts)) : ''; if (false !== $pos = strpos($key, '')) { $base = substr($result, $key, 0, $pos++); $result[$base] = []; $target = &$result[$base]; do { $end = strpos($key, ']', $pos); $index = substr($key, $pos, $end - $pos); $target[$index] = []; $target = &$target[$index]; $pos = $end; } while($pos < strlen($key)); var_dump($result); } } } $str = 'foo=bar&baz[foo]=qux&baz[foo][goat]=chick'; parseQueryString($str)
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected end of file in /in/JZc71 on line 30
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[' in /in/JZc71 on line 5
Process exited with code 255.