/** * Send a SOAP request to the server * * @param string $method The method name * @param array $param The parameters * @return mixed The server response */ public static function _Call($method, $param) { if (is_null(self::$_Server)) { self::$_Server = new SoapClient(self::$_WsdlUri); } return self::$_Server->__soapCall($method, $param); }