20,"name"=>"li");$array[] = array("age"=>21,"name"=>"ai");$array[] = array("age"=>20,"name"=>"ci");$array[] = array("age"=>22,"name"=>"di"); foreach ($array as $key=>$value){ $age[$key] = $value['age']; $name[$key] = $value['name'];} array_multisort($age,SORT_NUMERIC,SORT_DESC,$name,SORT_STRING,SORT_ASC,$array);print_r($array);?>