Cake\Controller\Controller::isAction PHP Méthode

    public function isAction($action)
    {
        $baseClass = new ReflectionClass('Cake\\Controller\\Controller');
        if ($baseClass->hasMethod($action)) {
            return false;
        }
        try {
            $method = new ReflectionMethod($this, $action);
        } catch (ReflectionException $e) {
            return false;
        }
        return $method->isPublic();
    }

 /**
  * {@inheritdoc}
  *
  * @param string $action
  * @return bool
  */
 public function isAction($action)
 {
     if ($action == 'construct') {
         return false;
     }
     return parent::isAction($action);
 }