/** * Validates this form * @return null */ public function validate() { if ($this->getRedirectType() == self::REDIRECT_TYPE_URL) { $validationFactory = ValidationFactory::getInstance(); $this->addValidator(self::FIELD_URL, $validationFactory->createValidator('required')); $this->addValidator(self::FIELD_URL, $validationFactory->createValidator('website')); } parent::validate(); }