3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array("ab" => "aaa", "cd" => "bbb", "ef" => "cccc"); $order = array("cd", "ab", "ef"); uksort($arr, function ($a, $b) use ($order) { return array_search($a, $order) > array_search($b, $order); }); print_r($arr);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: uksort(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/d1XDp on line 5 Array ( [cd] => bbb [ab] => aaa [ef] => cccc )

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:
171.62 ms | 406 KiB | 5 Q