Polyglot\Services\UrlGenerator::switchLanguage PHP Метод

    public function switchLanguage($language, $parameters = array(), $secure = null)
    {
        // Replace existing locale in current URL
        $current = $this->request->getPathInfo();
        $current = preg_replace('#^/([a-z]{2})?$#', null, $current);
        $current = preg_replace('#^/?([a-z]{2}/)?#', null, $current);
        return $this->to($language . '/' . $current, $parameters, $secure);
    }