3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array("1" => "C", "2" => "B", "3" => "A"); print_r($arr); usort($arr); print_r($arr);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [1] => C [2] => B [3] => A ) Fatal error: Uncaught ArgumentCountError: usort() expects exactly 2 arguments, 1 given in /in/t8T3J:7 Stack trace: #0 /in/t8T3J(7): usort(Array) #1 {main} thrown in /in/t8T3J on line 7
Process exited with code 255.

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:
43.76 ms | 401 KiB | 8 Q