Form constructor.

Parameters

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

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

Return value

array The form structure.

Overrides FormInterface::buildForm

File

core/modules/system/tests/src/Kernel/Form/FormStatePersistTest.php, line 49

Class

FormStatePersistTest

Tests that the form state persists across multiple requests.

Namespace

Drupal\Tests\system\Kernel\Form

Code

public function buildForm(array $form, FormStateInterface $form_state) : array {
  $form['title'] = [
    '#type' => 'textfield',
    '#title' => 'title',
    '#default_value' => 'DEFAULT',
    '#required' => TRUE,
  ];
  // Set a flag in form state storage during build, so this can be confirmed
  // in test assertions.
  $form_state->set('build', TRUE);
  $form['submit'] = [
    '#type' => 'submit',
    '#value' => 'Submit',
  ];
  $form['#process'][] = [
    static::class,
    'setStateRebuildValue',
  ];
  $form['#post_render'][] = [
    static::class,
    'displayCachedState',
  ];
  return $form;
}

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