3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f=function($a)use(&$f){ if($a==0){ return $f(1); } return 'a'; }; var_dump($f(0));
Output for git.master, git.master_jit, rfc.property-hooks
string(1) "a"

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:
52.25 ms | 401 KiB | 8 Q