3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(token_get_all('<?php function extractURL($url) { if (preg_match(\'#http://www.google.com/?$#i\', $url, $match)) { return $match[1]; } return null; }'));

preferences:
52.64 ms | 402 KiB | 5 Q