3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3]; foreach ($a as &$b){ $b += 10; } foreach ($a as $b){ } print_r($a); $a = [1,2,3]; foreach ($a as &$b){ $b += 10; } unset($b); foreach ($a as $b){ } print_r($a);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 11 [1] => 12 [2] => 12 ) Array ( [0] => 11 [1] => 12 [2] => 13 )

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:
50.22 ms | 401 KiB | 8 Q