3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = function () { echo 'hello'; }; function myfunction(callable $a, callable $b = null) { if (null !== $a) call_user_func($a); if (null !== $b) call_user_func($b); } myfunction($a);
Output for git.master, git.master_jit, rfc.property-hooks
hello

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:
49.58 ms | 401 KiB | 8 Q