static function get($code = 'node_id', $app_id = 'b2c') { if (!function_exists('get_node_id')) { if (self::$snode === null) { if ($shopnode = app::get($app_id)->getConf('shop_site_node_id')) { self::$snode = unserialize($shopnode); } else { self::$snode = array(); } } } else { self::$snode = get_node_id(); } return self::$snode[$code]; }