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run code in 300+ PHP versions simultaneously
<?php $a=[1, 4, 5, 3, 2]; usort($a, function($a, $b) { return $a > $b ? 1 : 0; }); print_r($a);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 )

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