3v4l.org

run code in 500+ PHP versions simultaneously
<?php function foo($arr) { $arr = [$arr]; $arr['x'] = 5; print_r(func_get_args()); } foo([]);
Output for git.master_jit, git.master, rfc.property-hooks
Array ( [0] => Array ( [0] => Array ( ) [x] => 5 ) )

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:
69.1 ms | 852 KiB | 4 Q