public function transformContent() { $form = $this->getForm('login'); if ($form->isSent() && $form->isValid()) { $fieldUser = $form->getFormElementByName('username'); $fieldPass = $form->getFormElementByName('password'); $user = new User(); $user->setUsername($fieldUser->getAttribute('value')); $user->setPassword($fieldPass->getAttribute('value')); if (!$this->getGuestbookService()->validateCredentials($user)) { $error = $this->getTemplate('error'); $form->setPlaceHolder('error', $error->transformTemplate()); } } $form->transformOnPlace(); }