function MultistepForm::fapiExamplePageTwoBack

Same name in other branches
  1. 3.x modules/form_api_example/src/Form/MultistepForm.php \Drupal\form_api_example\Form\MultistepForm::fapiExamplePageTwoBack()
  2. 4.0.x modules/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

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);
}