function FormCache::getCache

Fetches a form from the cache.

Parameters

string $form_build_id: The unique form build ID.

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

Overrides FormCacheInterface::getCache

File

core/lib/Drupal/Core/Form/FormCache.php, line 119

Class

FormCache

Encapsulates the caching of a form and its form state.

Namespace

Code

public function getCache($form_build_id, FormStateInterface $form_state) {
  if ($form = $this->keyValueExpirableFactory
    ->get('form')
    ->get($form_build_id)) {
    if (isset($form['#cache_token']) && $this->csrfToken
      ->validate($form['#cache_token']) || !isset($form['#cache_token']) && $this->currentUser
      ->isAnonymous()) {
      $this->loadCachedFormState($form_build_id, $form_state);
      return $form;
    }
  }
}