FormConfigBuilderInterface

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

buildView(FormView $view,

string[] getStructuredValues() Returns the values in the structure originally passed to the list

interface FormDataExtractorInterface Extracts arrays of information out of forms.

FormInterface add(

mixed getNormData() Returns the normalized data of the field.

next() {@inheritdoc}

current() {@inheritdoc}

configureOptions(OptionsResolver