Online PHP editor | refs for EtLmc

<?php $a = [1,2,3]; $b = [3,1,2]; $c = [1,2,"3"]; $asorted = clone($a); $bsorted = clone($b); $csorted = clone($c); var_dump(array_diff($a, $b)); var_dump(array_diff($a, $c)); var_dump(array_diff($b, $a)); var_dump(array_diff($c, $a)); var_dump($b == $a); var_dump($b === $a); var_dump($c == $a); var_dump($c === $a); var_dump(sort($b) == sort($a)); var_dump(sort($b) === sort($a)); var_dump(sort($c) == sort($a)); var_dump(sort($c) === sort($a)); var_dump(sort($c)); var_dump(sort($a));