/**
  * Check if the given url should be skipped or not
  *
  * @param string $url The url to test
  * @return boolean True if it is register as skipped, false in other cases
  */
 public function isSkip($url)
 {
     // We need slim route for testing purpose
     $route = new \Slim\Route('', function () {
     });
     foreach ($this->skip as $skipped) {
         // We set the path we want to try
         $route->setPattern($skipped);
         if ($route->matches($url)) {
             return true;
         }
     }
     return false;
 }