php 过滤数组中有需要的键值对

get_array_need.php

<?php

public function filterArray($oldArray,$keyArray)
{
    $newArray=array_intersect_key($oldArray, array_flip($keyArray));
    return $newArray;
}

$promotion = array_intersect_key($promotion, array('id', 'promotion_id', 'promotion_actived', 'promotion_title',
                    'promotion_detail', 'promotion_type', 'promotion_type_name', 'sku_info', 'start_time', 'cancel_time','effect_scene'));