3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = [ 'a' => 42, ]; $foo['a']++; $foo['b']++;
Output for rfc.property-hooks, git.master, git.master_jit
Warning: Undefined array key "b" in /in/H2lp7 on line 7

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:
85.45 ms | 1392 KiB | 4 Q