Online PHP editor | output for JZc71

<?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)