3v4l.org

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<?php $a = [1,2,3,4,5,6,1,2,3,4,5,6]; $f = function($a,$b) { return $a < $b ? 1 : ($a > $b ? -1 : 0); }; uasort($a, $f); print_r($a); var_dump($x);

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44.31 ms | 402 KiB | 5 Q