Router::getRequest PHP Method

    public static function getRequest($current = false)
    {
        if ($current) {
            $i = count(static::$_requests) - 1;
            return isset(static::$_requests[$i]) ? static::$_requests[$i] : null;
        }
        return isset(static::$_requests[0]) ? static::$_requests[0] : null;
    }

 public function check_if_valid($controller)
 {
     //First we will ensure there is a token in the request
     $request = Router::getRequest();
     $token = false;
     if (isset($request->data['token'])) {
         $token = $request->data['token'];
     } elseif (isset($request->query['token'])) {
         $token = $request->query['token'];
     }
     if ($token != false) {
         if (strlen($token) != 36) {
             $result = array('success' => false, 'message' => array('message' => __('Token in wrong format')));
         } else {
             //Find the owner of the token
             $result = $this->find_token_owner($token);
         }
     } else {
         $result = array('success' => false, 'message' => array('message' => __('Token missing')));
     }
     //If it failed - set the controller up
     if ($result['success'] == false) {
         $controller->set(array('success' => $result['success'], 'message' => $result['message'], '_serialize' => array('success', 'message')));
         return false;
     } else {
         return $result['user'];
         //Return the user detail
     }
 }