public FormBuilder::setInvalidTokenError(FormStateInterface $form_state) Sets a form_token error on the given form state. Parameters \Drupal\Core\Form\FormStateInterface $form_state: The current state of the form. Return value $this Overrides FormValidatorInterface::setInvalidTokenError File core/lib/Drupal/Core/Form/FormBuilder.php, line 850 Class FormBuilder Provides form building and processing. Namespace Drupal\Core\Form Code public function setInvalidTokenError(FormStateInterfac

protected static WidgetBase::getWidgetStateParents(array $parents, $field_name) Returns the location of processing information within $form_state. Parameters array $parents: The array of #parents where the widget lives in the form. string $field_name: The field name. Return value array The location of processing information within $form_state. File core/lib/Drupal/Core/Field/WidgetBase.php, line 474 Class WidgetBase Base class for 'Field widget' plugin implementations. Namespace Drupa

The cache contexts manager. Type: \Drupal\Core\Cache\Context\CacheContextsManager File core/lib/Drupal/Core/Render/RenderCache.php, line 40 Class RenderCache Wraps the caching logic for the render caching system. Namespace Drupal\Core\Render Code protected $cacheContextsManager;

batch_process($redirect = NULL, Url $url = NULL, $redirect_callback = NULL) Processes the batch. This function is generally not needed in form submit handlers; Form API takes care of batches that were set during form submission. Parameters \Drupal\Core\Url|string $redirect: (optional) Either path or Url object to redirect to when the batch has finished processing. Note that to simply force a batch to (conditionally) redirect to a custom location after it is finished processing but to otherwise

public WidgetInterface::errorElement(array $element, ConstraintViolationInterface $violation, array $form, FormStateInterface $form_state) Assigns a field-level validation error to the right widget sub-element. Depending on the widget's internal structure, a field-level validation error needs to be flagged on the right sub-element. Parameters array $element: An array containing the form element for the widget, as generated by formElement(). \Symfony\Component\Validator\ConstraintViolationInter

twig_theme($existing, $type, $theme, $path) Implements hook_theme(). File core/themes/engines/twig/twig.engine, line 15 Handles integration of Twig templates with the Drupal theme system. Code function twig_theme($existing, $type, $theme, $path) { $templates = drupal_find_theme_functions($existing, array($theme)); $templates += drupal_find_theme_templates($existing, '.html.twig', $path); return $templates; }

Defines a schema handler that supports revisionable, translatable entities. Entity types may extend this class and optimize the generated schema for all entity base tables by overriding getEntitySchema() for cross-field optimizations and getSharedTableFieldSchema() for optimizations applying to a single field. Hierarchy class \Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema implements DynamicallyFieldableEntityStorageSchemaInterface uses DependencySerializationTrait File core/lib/Drupal

public Feed::deleteItems() Deletes all items from a feed. This will also reset the last checked and modified time of the feed and save it. Return value \Drupal\aggregator\FeedInterface The class instance that this method is called on. Overrides FeedInterface::deleteItems See also \Drupal\aggregator\ItemsImporterInterface::delete() File core/modules/aggregator/src/Entity/Feed.php, line 60 Class Feed Defines the aggregator feed entity class. Namespace Drupal\aggregator\Entity Code publ

The abstract base class for typed data. Classes deriving from this base class have to declare $value or override getValue() or setValue(). Hierarchy class \Drupal\Core\TypedData\TypedData implements PluginInspectionInterface, TypedDataInterface uses StringTranslationTrait, TypedDataTrait Related topics Typed Data API API for describing data based on a set of available data types. File core/lib/Drupal/Core/TypedData/TypedData.php, line 16 Namespace Drupal\Core\TypedData Members Name

public ConfigEntityBase::setUninstalling($uninstalling) File core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php, line 226 Class ConfigEntityBase Defines a base configuration entity class. Namespace Drupal\Core\Config\Entity Code public function setUninstalling($uninstalling) { $this->isUninstalling = $uninstalling; }