3v4l.org

run code in 300+ PHP versions simultaneously
<?php $url = "https://www.youtube.com/watch?v=udm5jUA-2bs"; preg_match("/(\w+)(?=\.\w{2,}(\/|\?|$))/", $url, $matches); echo $matches[1];
Output for git.master, git.master_jit, rfc.property-hooks
youtube

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
164.74 ms | 405 KiB | 5 Q