3v4l.org

run code in 300+ PHP versions simultaneously
<?php $items=[3,7,2,9,2,3,8]; $c = function($a, $b) { return $a <=> $b; }; uasort($items, $c); print_r($items);
Output for git.master, git.master_jit
Array ( [2] => 2 [4] => 2 [0] => 3 [5] => 3 [1] => 7 [6] => 8 [3] => 9 )

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