3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1,2]; foreach ($array as $i => $v) { if ($i === 0) { $array[1] = 3; } echo "$i: $v\n"; } $array = [1,2]; for ($i=0; $i < count($array); $i++) { if ($i === 0) { $array[1] = 3; } echo "$i: $array[$i]\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
0: 1 1: 2 0: 1 1: 3

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:
42.54 ms | 401 KiB | 8 Q