$options= array_merge(
            array(
                'response_code' => $this->getOption('error_page_header', $options, $_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found')
                ,'error_type' => '404'
                ,'error_header' => $this->getOption('error_page_header', $options, $_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found')