Online PHP editor | refs for o9jso

<?php $myArr = array ( "John" => array ( "height"=>175, "weight"=>85, "age"=>"24" ), "Phil" => array ( "height"=>145, "weight"=>75, "age"=>"22" ), "Jim" => array ( "height"=>195, "weight"=>140, "age"=>"29" ) ); // sort by height $sorter = function($a,$b){return $a['height'] - $b['height'];}; usort($myArr, $sorter); print_r($myArr);