/** * Returns API URL * * @return string */ public function getApiURL() { $url = \Includes\Utils\URLManager::isValidURLHost(\XLite\Core\Config::getInstance()->CDev->USPS->server_url) ? \XLite\Core\Config::getInstance()->CDev->USPS->server_url : 'http://testing.shippingapis.com/ShippingAPI.dll'; return $url; }