https://symfony.com/doc/3.4/validation/groups.html $form = $this->createFormBuilder($users, array( 'validation_groups' => array('foobar'), ))->add(...)
- Sequentially Apply Validation Groups
https://symfony.com/doc/3.4/validation/sequence_provider.html https://symfony.com/doc/3.4/form/data_based_validation.html