3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(0, 1); foreach ($a as &$x) {} unset($x); $b = $a; $b[0] = 999; var_dump($a[0]);
Output for git.master, git.master_jit, rfc.property-hooks
int(0)

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:
55.12 ms | 401 KiB | 8 Q