public FormBuilder::renderFormTokenPlaceholder($placeholder)

public &FormStateInterface::getValues()

public FormStateDecoratorBase::prepareCallback($callback)

public FormStateDecoratorBase::setFormState(array $fo

Provides an interface for a Form that has a base form ID. This will become the $form_state->getBaseInfo()['base_form_id'] used to generate

public FormBuilder::executeSubmitHandlers(&$form, FormStateInterface &a

Provides submission processing for forms. Hierarchy class \Drupal\Core\Form\

public ConfirmFormInterface::getDescription()

public ConfirmFormBase::getConfirmText()

callback_batch_operation($MULTIPLE_PARAMS, &$context) Perform a single batch operation.