Documentation & API reference
Classes, traits, and interfaces
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| Name | Type | Namespace | Location | Description |
Direct uses |
Use statements | Strings |
|---|---|---|---|---|---|---|---|
| Primitive | final class |
Drupal\ |
drupal/ |
Class that holds constants for all primitive data types. | 1 | ||
| TypedDataManager | class |
Drupal\ |
drupal/ |
Manages data type plugins. | |||
| TypedDataFactory | class |
Drupal\ |
drupal/ |
A factory for typed data objects. | |||
| ReadOnlyException | class |
Drupal\ |
drupal/ |
Exception thrown when trying to write or set ready-only data. | 1 | ||
| DatabaseLockBackend | class |
Drupal\ |
drupal/ |
Defines the database lock backend. This is the default backend in Drupal. | 2 | ||
| NullLockBackend | class |
Drupal\ |
drupal/ |
Defines a Null lock backend. | |||
| KeyValueExpirableFactory | class |
Drupal\ |
drupal/ |
Defines the key/value store factory. | |||
| KeyValueDatabaseExpirableFactory | class |
Drupal\ |
drupal/ |
Defines the key/value store factory for the database backend. | |||
| DatabaseStorageExpirable | class |
Drupal\ |
drupal/ |
Defines a default key/value store implementation for expiring items. | 2 | ||
| MemoryStorage | class |
Drupal\ |
drupal/ |
Defines a default key/value store implementation. | |||
| KeyValueMemoryFactory | class |
Drupal\ |
drupal/ |
Defines the key/value store factory for the database backend. | |||
| VariableLog | class |
Drupal\ |
drupal/ |
Defines a mail sending implementation that captures sent messages to a variable. | |||
| PhpassHashedPassword | class |
Drupal\ |
drupal/ |
Secure password hashing functions based on the Portable PHP password hashing framework. | 2 | ||
| PHPTransliteration | class |
Drupal\ |
drupal/ |
Enhances PHPTransliteration with an alter hook. | 1 | ||
| AliasManagerCacheDecorator | class |
Drupal\ |
drupal/ |
Class used by the PathSubscriber to get the system path and cache path lookups. | 1 | ||
| MemoryBackend | class |
Drupal\ |
drupal/ |
Defines a memory cache implementation. | 3 | ||
| NullBackend | class |
Drupal\ |
drupal/ |
Defines a stub cache implementation. | 1 | ||
| BackendChain | class |
Drupal\ |
drupal/ |
Defines a chained cache implementation for combining multiple cache backends. | 2 | ||
| CacheFactory | class |
Drupal\ |
drupal/ |
Defines the cache backend factory. | 1 | ||
| InstallBackend | class |
Drupal\ |
drupal/ |
Defines a stub cache implementation to be used during installation. | 1 | ||
| DefaultAccessCheck | class |
Drupal\ |
drupal/ |
Allows access to routes to be controlled by an '_access' boolean parameter. | |||
| PermissionAccessCheck | class |
Drupal\ |
drupal/ |
Determines access to routes based on permissions defined via hook_permission(). | |||
| AccessManager | class |
Drupal\ |
drupal/ |
Attaches access check services to routes and runs them on request. | 1 | ||
| EntityManager | class |
Drupal\ |
drupal/ |
Manages entity type plugin definitions. | |||
| EntityMalformedException | class |
Drupal\ |
drupal/ |
Defines an exception thrown when a malformed entity is passed. | 3 | ||
| EntityAccessController | class |
Drupal\ |
drupal/ |
Defines a base class for entity access controllers. | |||
| EntityStorageException | class |
Drupal\ |
drupal/ |
Defines an exception thrown when storage operations fail. | 3 | ||
| TemporaryStream | class |
Drupal\ |
drupal/ |
Defines a Drupal temporary (temporary://) stream wrapper class. | |||
| PrivateStream | class |
Drupal\ |
drupal/ |
Drupal private (private://) stream wrapper class. | |||
| TransactionExplicitCommitNotAllowedException | class |
Drupal\ |
drupal/ |
Exception to deny attempts to explicitly manage transactions. | |||
| SchemaObjectExistsException | class |
Drupal\ |
drupal/ |
Exception thrown if an object being created already exists. | 4 | ||
| TransactionNoActiveException | class |
Drupal\ |
drupal/ |
Exception for when popTransaction() is called with no active transaction. | 3 | ||
| TransactionCommitFailedException | class |
Drupal\ |
drupal/ |
Exception thrown when a commit() function fails. | 2 | ||
| TransactionOutOfOrderException | class |
Drupal\ |
drupal/ |
Exception thrown when a rollback() resulted in other active transactions being rolled-back. | 2 | ||
| DatabaseExceptionWrapper | class |
Drupal\ |
drupal/ |
This wrapper class serves only to provide additional debug information. | 3 | ||
| Log | class |
Drupal\ |
drupal/ |
Database query logger. | |||
| IntegrityConstraintViolationException | class |
Drupal\ |
drupal/ |
Exception thrown if a query would violate an integrity constraint. | 4 | ||
| Statement | class |
Drupal\ |
drupal/ |
Default implementation of DatabaseStatementInterface. | |||
| SchemaObjectDoesNotExistException | class |
Drupal\ |
drupal/ |
Exception thrown if an object being modified doesn't exist yet. | 3 | ||
| StatementEmpty | class |
Drupal\ |
drupal/ |
Empty implementation of a database statement. | 2 | ||
| TransactionNameNonUniqueException | class |
Drupal\ |
drupal/ |
Exception thrown when a savepoint or transaction name occurs twice. | 1 | ||
| ConnectionNotDefinedException | class |
Drupal\ |
drupal/ |
Exception thrown if an undefined database connection is requested. | 3 | ||
| DriverNotSpecifiedException | class |
Drupal\ |
drupal/ |
Exception thrown if no driver is specified for a database connection. | |||
| Database | abstract class |
Drupal\ |
drupal/ |
Primary front-controller for the database system. | 60 | ||
| AjaxResponse | class |
Drupal\ |
drupal/ |
JSON response object for AJAX requests. | 1 | ||
| AfterCommand | class |
Drupal\ |
drupal/ |
An AJAX command for calling the jQuery after() method. | 1 | ||
| RemoveCommand | class |
Drupal\ |
drupal/ |
AJAX command for calling the jQuery remove() method. | 1 | ||
| AlertCommand | class |
Drupal\ |
drupal/ |
AJAX command for a javascript alert box. | 1 | ||
| PrependCommand | class |
Drupal\ |
drupal/ |
AJAX command for calling the jQuery insert() method. | 1 | ||
| SettingsCommand | class |
Drupal\ |
drupal/ |
AJAX command for adjusting Drupal's JavaScript settings. | 1 |