public StreamWrapperManager::registerWrapper($scheme, $class, $type) Registers stream wrapper with PHP. Parameters string $scheme: The scheme of the stream wrapper. string $class: The class of the stream wrapper. int $type: The type of the stream wrapper. Overrides StreamWrapperManagerInterface::registerWrapper File core/lib/Drupal/Core/StreamWrapper/StreamWrapperManager.php, line 190 Class StreamWrapperManager Provides a StreamWrapper manager. Namespace Drupal\Core\StreamWrapper Code

An array of base language configuration data keyed by configuration names. Type: array File core/modules/config_translation/src/Form/ConfigTranslationFormBase.php, line 68 Class ConfigTranslationFormBase Provides a base form for configuration translations. Namespace Drupal\config_translation\Form Code protected $baseConfigData = array();

Stores calculated access check results. Type: array File core/lib/Drupal/Core/Entity/EntityAccessControlHandler.php, line 21 Class EntityAccessControlHandler Defines a default implementation for entity access control handler. Namespace Drupal\Core\Entity Code protected $accessCache = array();

public StreamWrapperManager::register() Registers the tagged stream wrappers. Internal use only. File core/lib/Drupal/Core/StreamWrapper/StreamWrapperManager.php, line 164 Class StreamWrapperManager Provides a StreamWrapper manager. Namespace Drupal\Core\StreamWrapper Code public function register() { foreach ($this->info as $scheme => $info) { $this->registerWrapper($scheme, $info['class'], $info['type']); } }

The language manager. Type: \Drupal\language\ConfigurableLanguageManagerInterface File core/modules/config_translation/src/Form/ConfigTranslationFormBase.php, line 47 Class ConfigTranslationFormBase Provides a base form for configuration translations. Namespace Drupal\config_translation\Form Code protected $languageManager;

public FormStateDecoratorBase::setHasFileElement($has_file_element = TRUE) Sets that this form has a file element. Parameters bool $has_file_element: Whether this form has a file element. Return value $this Overrides FormStateInterface::setHasFileElement File core/lib/Drupal/Core/Form/FormStateDecoratorBase.php, line 121 Class FormStateDecoratorBase Decorates another form state. Namespace Drupal\Core\Form Code public function setHasFileElement($has_file_element = TRUE) { $this->

The language of the configuration translation source. Type: \Drupal\Core\Language\LanguageInterface File core/modules/config_translation/src/Form/ConfigTranslationFormBase.php, line 61 Class ConfigTranslationFormBase Provides a base form for configuration translations. Namespace Drupal\config_translation\Form Code protected $sourceLanguage;

Flag to determine if the router has been rebuilt. Type: bool File core/lib/Drupal/Core/Routing/RouteProviderLazyBuilder.php, line 32 Class RouteProviderLazyBuilder A Route Provider front-end for all Drupal-stored routes. Namespace Drupal\Core\Routing Code protected $rebuilt = FALSE;

entity_load($entity_type, $id, $reset = FALSE) Loads an entity from the database. \Drupal::entityTypeManager()->getStorage($entity_type)->load($id); Parameters string $entity_type: The entity type to load, e.g. node or user. mixed $id: The id of the entity to load. bool $reset: Whether to reset the internal cache for the requested entity type. Return value \Drupal\Core\Entity\EntityInterface|null The entity object, or NULL if there is no entity with the given ID. Deprecated in Drupal

Install, update and uninstall functions for the book module. File core/modules/book/book.install Functions Name Description book_schema Implements hook_schema(). book_uninstall Implements hook_uninstall().