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<?php $array = array(0 =>array('codes'=>array(7,4,5))); var_dump($array); array_multisort ($array, SORT_ASC);
Output for 4.3.0 - 7.1.0
array(1) { [0]=> array(1) { ["codes"]=> array(3) { [0]=> int(7) [1]=> int(4) [2]=> int(5) } } }