Jarves\Router\FrontendRouter::getPossibleLanguage PHP Метод

    public function getPossibleLanguage()
    {
        $uri = $this->getRequest()->getRequestUri();
        if (strpos($uri, '/') > 0) {
            $first = substr($uri, 0, strpos($uri, '/'));
        } else {
            $first = $uri;
        }
        if ($this->isValidLanguage($first)) {
            return $first;
        }
        return '';
    }