wordpress后台自定义字段多条件筛选

//添加自定义后台评论搜索条件
function comment_list_by_customer_search($clauses)
{
global $user_ID, $wpdb;
$s=$_REQUEST['s'];//搜索条件
//搜索条件为空,不处理
if(empty($s)|| strlen($s)<=0)return $clauses;
//自定义表和条件
//更改为自己的查询条件
$clauses['where'].=" or `comment_ID` in (select o.cid from ".$wpdb->get_blog_prefix()."orders o where o.OrderID like '%$s%' or o.PNAME like '%$s%' or o.PayOrder like '%$s%')";
return $clauses;
}
add_filter('comments_clauses','comment_list_by_customer_search');