완료부분 후킹에 대한 마지막 질문입니다.

function order_form_complete($od_id, $params, $qstr, $url){    global $wpdb;     //global $current_user;    //get_currentuserinfo();      //$user_ID = $current_user->ID;	//If in this happening, it need to add user-meta into wp-admin user's data, because of success processing is unique for wp-admin user.     $status = isset($params['ct_status']) ? $params['ct_status'] : $params['od_status'];     //od_id는 배열일수도 있습니다. (리스트에서는 배열, 상세보기에서는 단일)    foreach( (array) $od_id as $order_id ){        if( empty($order_id) ) continue;         $od = gc_get_order_data($order_id);         if( empty($od['od_id']) ) continue;         // 주문한 상품목록        $sql = $wpdb->prepare(" select it_id                  from {$wpdb->gc_shop_cart_table}                  where od_id = %.0f                  group by it_id                  order by ct_id ", $od['od_id']);         $results = $wpdb->get_results($sql, ARRAY_A);         $it_ids = array();         foreach($results as $cart){            if( empty($cart['it_id']) ) continue;             $it_ids[] = $cart['it_id'];        }         if ( $status == 'complete' && in_array(16590, $it_ids) ){            add_user_meta($od['mb_id'], 'mc_check', 2, true);        }    } }//do_action('gc_order_form_cart_update', $od_id, $params, $qstr, $url );add_action('gc_order_form_cart_update','order_form_complete',10,4);