Symfony\Component\HttpFoundation\Session::getFlashes PHP Method

    public function getFlashes()
    {
        return $this->flashes;
    }

 public function showFlashMessages()
 {
     $return = '<div id="flashmessages"></div>';
     $return .= $this->renderFlashJavascript($this->session->getFlashes());
     return $return;
 }