3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = range(1, 20); foreach ($array as $k => $v) { echo $v, ','; unset($array[$k]); } echo join(',', $array);
Output for git.master_jit, git.master, rfc.property-hooks
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,

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:
53.67 ms | 401 KiB | 8 Q