Psr7Middlewares\Middleware\Piwik::piwikUrl PHP Метод

    public function piwikUrl($url)
    {
        $this->piwikUrl = (string) $url;
        //ensure the url is ending by "/"
        if (substr($this->piwikUrl, -1) !== '/') {
            $this->piwikUrl .= '/';
        }
        return $this;
    }