3v4l.org

run code in 300+ PHP versions simultaneously
<?php $order = [7, 2, 1, 4]; $array = [ 1 => "O", 2 => "T", 4 => "F", 7 => "S" ]; uksort($array, static function (int $key1, int $key2) use ($order): int { return array_search($key1, $order, true) <=> array_search($key2, $order, true); }); print_r($array);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [7] => S [2] => T [1] => O [4] => F )

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:
134.62 ms | 405 KiB | 5 Q