Online PHP editor | refs for Niu4m

<?php $arr = array(); $arr[] = array("id" => 3, "name" => "joe"); $arr[] = array("id" => 34, "name" => "joe"); $arr[] = array("id" => 1, "name" => "joe"); $arr[] = array("id" => 15, "name" => "joe"); $arr[] = array("id" => 75, "name" => "joe"); $arr[] = array("id" => 2, "name" => "joe"); $arr[] = array("id" => 10, "name" => "joe"); $arr[] = array("id" => 19, "name" => "joe"); var_dump($arr); function cmp($a, $b) { //echo $a["id"] - $b["id"] ."\n\r"; return $a["id"] - $b["id"]; } usort($arr, "cmp"); var_dump($arr);