3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 123; $a = array(array(&$x, 'hi')); $b = $a; $b[1]++; echo $b[1];
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key 1 in /in/ZcM09 on line 5 1

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:
54.4 ms | 401 KiB | 8 Q