Eccube\Application::checkDatabaseConnection PHP Метод

    protected function checkDatabaseConnection()
    {
        if ($this['debug']) {
            return;
        }
        try {
            $this['db']->connect();
        } catch (\Doctrine\DBAL\DBALException $e) {
            $this['monolog']->error($e->getMessage());
            $this['twig.path'] = array(__DIR__ . '/Resource/template/exception');
            $html = $this['twig']->render('error.twig', array('error_title' => 'データーベース接続エラー', 'error_message' => 'データーベースを確認してください'));
            $response = new Response();
            $response->setContent($html);
            $response->setStatusCode('500');
            $response->headers->set('Content-Type', 'text/html');
            $response->send();
            die;
        }
        return true;
    }