3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1, 2, 3, 4]; foreach (1 ? $a : [] as &$x) { $x += 10; } print_r($a); $a = [1, 2, 3, 4]; $b = $a; foreach (1 ? $a : [] as &$x) { $x += 10; } print_r($a);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 ) Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 )

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:
50.54 ms | 401 KiB | 8 Q