PHP custom two-dimensional array sorting

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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);
        echo "<pre class="brush:php;toolbar:false">";
        print_r($keysvalue);
        foreach ($keysvalue as $k=>$v){
            $new_array[$k] = $arr[$k];
        }
        return $new_array;
    }

<br/>

$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');
echo "<pre class="brush:php;toolbar:false">";
print_r($ShoppingList);

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