3v4l.org

run code in 300+ PHP versions simultaneously
<?php $attributes['action'] = 'order.php?param1=aaa&param2=bbb'; switch($attributes['action']) { case "list": echo 'List!'; break; case "listorder": echo 'Listorder!'; break; case (preg_match('~order\.php\?.*~', $attributes['action']) ? true : false): echo 'Regex works!'; break; default: echo 'Regex doesn\'t work((('; break; }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Regex works!
preferences:
253.05 ms | 406 KiB | 362 Q