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<?php $arr=array("aa", "az", "an","am", "ba", "by", "alien","i"); usort($arr, function ($a, $b) { return strlen($a) == strlen($b) ? $a <=> $b : strlen($a) <=> strlen($b); }); print_r($arr);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => i [1] => aa [2] => am [3] => an [4] => az [5] => ba [6] => by [7] => alien )

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