'手机','brand'=>'诺基亚','price'=>1050),        array('name'=>'笔记本电脑','brand'=>'lenovo','price'=>4300),        array('name'=>'剃须刀','brand'=>'飞利浦','price'=>3100),        array('name'=>'跑步机','brand'=>'三和松石','price'=>4900),        array('name'=>'手表','brand'=>'卡西欧','price'=>960),        array('name'=>'液晶电视','brand'=>'索尼','price'=>6299),        array('name'=>'激光打印机','brand'=>'惠普','price'=>1200)    );    function arr_sort($array,$key,$order="asc"){
   //asc是升序 desc是降序        $arr_nums=$arr=array();        foreach($array as $k=>$v){            $arr_nums[$k]=$v[$key];        }        if($order=='asc'){            asort($arr_nums);        }else{            arsort($arr_nums);        }        foreach($arr_nums as $k=>$v){            $arr[]=$array[$k];        }        return $arr;}arr_sort($array,'price');print_r($array);?>