collectViewVariables(FormView $view)

array getValues() Returns the values for the choices.

configureOptions(OptionsResolver

interface FormDataExtractorInterface Extracts arrays of information out of forms.

array getRemainingViews() Returns the choice views of the choices that are not preferred as nested

class FormValidator extends

array getIndicesForValues(array $values) deprecated

class CsrfValidationListener implements

string getBlockPrefix() Returns the prefix of the template block name for this type. The

preSubmit(FormEvent $event)