public function MultistepForm::fapiExamplePageTwoBack in Examples for Developers 3.x

Same name and namespace in other branches

1. 8 form_api_example/src/Form/MultistepForm.php \Drupal\form_api_example\Form\MultistepForm::fapiExamplePageTwoBack()

Provides custom submission handler for 'Back' button (page 2).

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

File

modules/form_api_example/src/Form/MultistepForm.php, line 188

Class

MultistepForm

Provides a form with two steps.

Namespace

Drupal\form_api_example\Form

Code

public function fapiExamplePageTwoBack(array &$form, FormStateInterface $form_state) {
  $form_state
    ->setValues($form_state
    ->get('page_values'))
    ->set('page_num', 1)
    ->setRebuild(TRUE);
}