Ouzo\Uri::addPrefixIfNeeded PHP Méthode

    public static function addPrefixIfNeeded($url)
    {
        $prefix = Config::getValue('global', 'prefix_system');
        $url = Strings::removePrefix($url, $prefix);
        return $prefix . $url;
    }

 public function notice($messages, $keep = false, $url = null)
 {
     if (!empty($messages)) {
         $url = $url ? Uri::addPrefixIfNeeded($url) : null;
         $messages = $this->wrapAsNotices($messages, $url);
         Session::set('messages', $messages);
         $this->_keepMessage = $keep;
     }
 }