// Include Joomla files
jimport('joomla.application.router');
require_once(JPATH_ROOT.'/includes/application.php');
// Include JoomSEF
require_once(JPATH_ROOT.'/components/com_sef/sef.router.php');
$shRouter = new JRouterJoomSef();
// Build the SEF URL
$router = JFactory::getApplication()->getRouter();
$nonSef = new JURI($url);
$uri = $shRouter->build($router, $nonSef);
 
return $uri->toString(array('path'));