function array_sort($arr,$keys,$type=‘asc‘){     $keysvalue = $new_array = array();    foreach ($arr as $k=>$v){        $keysvalue[$k] = $v[$keys];    }    if($type == ‘asc‘){        asort($keysvalue);    }else{        arsort($keysvalue);    }    reset($keysvalue);    foreach ($keysvalue as $k=>$v){        $new_array[$k] = $arr[$k];    }    return $new_array; } 

$array = array(    array(‘name‘=>‘手机‘,‘brand‘=>‘诺基亚‘,‘price‘=>1050),    array(‘name‘=>‘笔记本电脑‘,‘brand‘=>‘lenovo‘,‘price‘=>4300),    array(‘name‘=>‘剃须刀‘,‘brand‘=>‘飞利浦‘,‘price‘=>3100),    array(‘name‘=>‘跑步机‘,‘brand‘=>‘三和松石‘,‘price‘=>4900),    array(‘name‘=>‘手表‘,‘brand‘=>‘卡西欧‘,‘price‘=>960),    array(‘name‘=>‘液晶电视‘,‘brand‘=>‘索尼‘,‘price‘=>6299),    array(‘name‘=>‘激光打印机‘,‘brand‘=>‘惠普‘,‘price‘=>1200));$ShoppingList = array_sort($array,‘price‘);　　//对$array这个二维数组按照‘price‘从低到高的排序print_r($ShoppingList);