collect(Request $request,

bool isIndex(int $index) Returns whether the element at the given index is an array index.

class FormType extends

bool hasAttribute(string $name) Returns whether the attribute with the given name exists.

FormBuilderInterface createBuilderForProperty(string

EventDispatcherInterface

valid() {@inheritdoc}

next() {@inheritdoc}

configureOptions(OptionsResolver

mixed transform(mixed $value) Passes the value through the transform() method of all nested transformers