3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3,4); print_r($a); array_walk($a, function(&$item) use ($a) { echo $item, "\n"; $item *= 2; }); print_r($a);
Output for git.master_jit, git.master, rfc.property-hooks
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 ) 1 2 3 4 Array ( [0] => 2 [1] => 4 [2] => 6 [3] => 8 )

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:
46.4 ms | 401 KiB | 8 Q