Генерация SEF URL из админки (backend) - SEF (ЧПУ)

jimport( 'joomla.application.router' );
require_once (JPATH_ROOT . DS . 'includes' . DS . 'router.php');
require_once (JPATH_ROOT . DS . 'includes' . DS . 'application.php');

// better will be check if SEF option is enable!
$router = new JRouterSite(array('mode'=>JROUTER_MODE_SEF));
$urls = $router->build($url)->toString(array('path', 'query', 'fragment'));

// SEF URL !
$urls = JURI::root().str_replace('/administrator/', '', $urls);

//sh404sef
function getSiteRoute($url) {
   require_once(JPATH_ADMINISTRATOR.DS.'components'.DS.'com_sh404sef'.DS.'sh404sef.class.php');

   $sefConfig = shRouter::shGetConfig();
   if (!$sefConfig->Enabled) return $url;
   $sefConfig->shSecEnableSecurity = 0;

   require_once(JPATH_ROOT.DS.'components'.DS.'com_sh404sef'.DS.'shCache.php');
    require_once(JPATH_ROOT.DS.'components'.DS.'com_sh404sef'.DS.'shSec.php');

    $shRouter = new shRouter();

    include_once(JPATH_ROOT.DS.'components'.DS.'com_sh404sef'.DS.'shInit.php');

   $uri = $shRouter->build($url);
   $parsed_url = $uri->toString();
   $adminpos = strpos($parsed_url,'/administrator/');
   if ($adminpos === false) {
   } else {
      $parsed_url = substr($parsed_url,$adminpos+15);
   }
   return $parsed_url;
}

        $app = new JApplicationSite();
        $router = $app->getRouter();
        $url = (string)$router->build('index.php?option=com_yandexmarket'); 
        $url = JString::str_ireplace('/administrator/', JUri::root(), $url);