vendor/craue/formflow-bundle/EventListener/PreviousStepInvalidEventListener.php line 19
<?phpnamespace Craue\FormFlowBundle\EventListener;use Craue\FormFlowBundle\Event\PreviousStepInvalidEvent;use Symfony\Component\Form\FormError;/*** Adds a validation error to the current step's form if revalidating previous steps failed.** @author Christian Raue <christian.raue@gmail.com>* @copyright 2011-2022 Christian Raue* @license http://opensource.org/licenses/mit-license.php MIT License*/class PreviousStepInvalidEventListener {use EventListenerWithTranslatorTrait;public function onPreviousStepInvalid(PreviousStepInvalidEvent $event) {$event->getCurrentStepForm()->addError($this->getPreviousStepInvalidFormError($event->getInvalidStepNumber()));}/*** @param int $stepNumber* @return FormError*/protected function getPreviousStepInvalidFormError($stepNumber) {$messageId = 'craueFormFlow.previousStepInvalid';$messageParameters = ['%stepNumber%' => $stepNumber];return new FormError($this->translator->trans($messageId, $messageParameters, 'validators'), $messageId, $messageParameters);}}