Alex\BehatLauncher\Controller\FrontendController::langAction PHP Méthode

    public function langAction(Request $request)
    {
        $locale = $request->query->get('lang', 'en');
        if (!in_array($locale, array('en', 'fr'))) {
            $locale = 'en';
        }
        return $this->serialize(Yaml::parse(__DIR__ . '/../Resources/locales/' . $locale . '.yml'));
    }