Newscoop\NewscoopBundle\Controller\SecurityController::getDefaultLanguage PHP Метод

    private function getDefaultLanguage($request, $languages)
    {
        $defaultLanguage = 'en';
        if ($request->request->has('TOL_Language')) {
            $defaultLanguage = $request->request->get('TOL_Language');
        } elseif ($request->cookies->has('TOL_Language')) {
            $defaultLanguage = $request->cookies->get('TOL_Language');
        } else {
            // Get the browser languages
            $browserLanguageStr = $request->server->get('HTTP_ACCEPT_LANGUAGE', '');
            $browserLanguageArray = preg_split('/[,;]/', $browserLanguageStr);
            $browserLanguagePrefs = array();
            foreach ($browserLanguageArray as $tmpLang) {
                if (!(substr($tmpLang, 0, 2) == 'q=')) {
                    $browserLanguagePrefs[] = $tmpLang;
                }
            }
            // Try to match preference exactly.
            foreach ($browserLanguagePrefs as $pref) {
                if (array_key_exists($pref, $languages)) {
                    $defaultLanguage = $pref;
                    break;
                }
            }
            // Try to match two-letter language code.
            if (is_null($defaultLanguage)) {
                foreach ($browserLanguagePrefs as $pref) {
                    if (substr($pref, 0, 2) != '' && array_key_exists(substr($pref, 0, 2), $languages)) {
                        $defaultLanguage = $pref;
                        break;
                    }
                }
            }
            $request->request->set('TOL_Language', $defaultLanguage);
            $request->cookies->set('TOL_Language', $defaultLanguage);
        }
        return $defaultLanguage;
    }