public FormCache::getCache($form_build_id, FormStateInterface $form_state)
Fetches a form from the cache.
Parameters
string $form_build_id: The unique form build ID.
\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.
Overrides FormCacheInterface::getCache
File
- core/lib/Drupal/Core/Form/FormCache.php, line 119
Class
- FormCache
- Encapsulates the caching of a form and its form state.
Namespace
Drupal\Core\Form
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | public function getCache($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); // Generate a new #build_id if the cached form was rendered on a // cacheable page. $build_info = $form_state->getBuildInfo(); if (!empty($build_info['immutable'])) { $form['#build_id_old'] = $form['#build_id']; $form['#build_id'] = 'form-' . Crypt::randomBytesBase64(); $form['form_build_id']['#value'] = $form['#build_id']; $form['form_build_id']['#id'] = $form['#build_id']; unset($build_info['immutable']); $form_state->setBuildInfo($build_info); } return $form; } }} |
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