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run code in 150+ php & hhvm versions
Bugs & Features
<?php $your_array = array(0 =>array("codes"=>array(7,4,5)), 1 =>array("codes"=>array(4,45,1))); function aasort (&$array, $key) { $sorter=array(); $ret=array(); reset($array); foreach ($array as $ii => $va) { $sorter[$ii]=$va[$key]; } asort($sorter); foreach ($sorter as $ii => $va) { $ret[$ii]=$array[$ii]; } $array=$ret; } aasort($your_array,"codes"); var_dump($your_array);
Output for 4.3.0 - 7.1.0
array(2) { [1]=> array(1) { ["codes"]=> array(3) { [0]=> int(4) [1]=> int(45) [2]=> int(1) } } [0]=> array(1) { ["codes"]=> array(3) { [0]=> int(7) [1]=> int(4) [2]=> int(5) } } }