Classes, traits, and interfaces - Drupal 11.1.x - Drupal Core
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Introduction to classes
A lot of the PHP code in Drupal is object oriented (OO), making use of PHP classes, interfaces, and traits. See the Objected-oriented programming conventions for more information.
See also
Objected-oriented programming conventions
File
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core/
core.api.php, line 1518
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| MetricSourceProviderInterface | interface | OpenTelemetry\SDK\Metrics | vendor/ |
1 | 4 | |||
| MetricSourceRegistryInterface | interface | OpenTelemetry\SDK\Metrics | vendor/ |
1 | 3 | |||
| MetricSourceRegistryUnregisterInterface | interface | OpenTelemetry\SDK\Metrics | vendor/ |
To be replaced by MetricProducer abstraction. | 1 | 1 | ||
| MetricsService | class | GPBMetadata\Opentelemetry\Proto\Collector\Metrics\V1 | vendor/ |
|||||
| MetricsServiceClient | class | Opentelemetry\Proto\Collector\Metrics\V1 | vendor/ |
Service that can be used to push metrics between one Application instrumented with OpenTelemetry and a collector, or between a collector and a central collector. | ||||
| MetricStreamInterface | interface | OpenTelemetry\SDK\Metrics\Stream | vendor/ |
@internal | 2 | 4 | ||
| MetricWriterInterface | interface | OpenTelemetry\SDK\Metrics\MetricRegistry | vendor/ |
@internal | 1 | 7 | ||
| MiaoxingInstaller | class | Composer\Installers | vendor/ |
|||||
| MicroweberInstaller | class | Composer\Installers | vendor/ |
|||||
| Middleware | final class | GuzzleHttp | vendor/ |
Functions used to create and wrap handlers with handler middleware. | 1 | |||
| MigrateAccessCheck | class | Drupal\migrate_drupal_ui | core/ |
Checks access for migrate_drupal_ui routes. | ||||
| MigrateBuildDependencyInterface | interface | Drupal\migrate | core/ |
1 | 1 | |||
| MigrateConfigurationCommand | final class | PHPUnit\TextUI\Command | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 1 | |||
| MigrateController | class | Drupal\migrate_drupal_ui\Controller | core/ |
Provides controller methods for the migration. | ||||
| MigrateDestination | class | Drupal\migrate\Attribute | core/ |
Defines a MigrateDestination attribute. | 29 | |||
| MigrateDestination | class | Drupal\migrate\Annotation | core/ |
Defines a migration destination plugin annotation object. | ||||
| MigrateDestinationInterface | interface | Drupal\migrate\Plugin | core/ |
Defines an interface for Migration Destination classes. | 1 | 1 | ||
| MigrateDestinationPluginManager | class | Drupal\migrate\Plugin | core/ |
Plugin manager for migrate destination plugins. | 1 | 2 | ||
| MigrateDrupalHooks | class | Drupal\migrate_drupal\Hook | core/ |
Hook implementations for migrate_drupal. | ||||
| MigrateDrupalServiceProvider | class | Drupal\migrate_drupal | core/ |
Alters container services. | ||||
| MigrateDrupalUiHooks | class | Drupal\migrate_drupal_ui\Hook | core/ |
Hook implementations for migrate_drupal_ui. | ||||
| MigrateDrupalUiRouteSubscriber | class | Drupal\migrate_drupal_ui\Routing | core/ |
Sets the controller for Migrate Message route. | 2 | |||
| MigrateEntity | class | Drupal\migrate\Plugin\Derivative | core/ |
1 | 1 | |||
| MigrateEntityComplete | class | Drupal\migrate\Plugin\Derivative | core/ |
Deriver for entity_complete:ENTITY_TYPE entity migrations. | 1 | |||
| MigrateEntityRevision | class | Drupal\migrate\Plugin\Derivative | core/ |
1 | ||||
| MigrateEvents | final class | Drupal\migrate\Event | core/ |
Defines events for the migration system. | 5 | |||
| MigrateException | class | Drupal\migrate | core/ |
Defines the migrate exception class. | 1 | 41 | ||
| MigrateExecutable | class | Drupal\migrate | core/ |
Defines a migrate executable class. | 3 | |||
| MigrateExecutableInterface | interface | Drupal\migrate | core/ |
1 | 78 | |||
| MigrateField | class | Drupal\migrate_drupal\Annotation | core/ |
Defines a field plugin annotation object. | 1 | |||
| MigrateField | class | Drupal\migrate_drupal\Attribute | core/ |
Defines a field plugin attribute object. | 22 | 1 | ||
| MigrateFieldInterface | interface | Drupal\migrate_drupal\Plugin | core/ |
Provides an interface for all field type plugins. | 1 | 1 | ||
| MigrateFieldPluginManager | class | Drupal\migrate_drupal\Plugin | core/ |
Plugin manager for migrate field plugins. | 2 | |||
| MigrateFieldPluginManagerInterface | interface | Drupal\migrate_drupal\Plugin | core/ |
1 | 4 | |||
| MigrateHooks | class | Drupal\migrate\Hook | core/ |
Hook implementations for migrate. | ||||
| MigrateIdMapInterface | interface | Drupal\migrate\Plugin | core/ |
Defines an interface for migrate ID mappings. | 2 | 16 | ||
| MigrateIdMapMessageEvent | class | Drupal\migrate\Event | core/ |
Wraps an ID map message event for event listeners. | 2 | |||
| MigrateImportEvent | class | Drupal\migrate\Event | core/ |
Wraps a pre- or post-import event for event listeners. | 4 | |||
| MigrateLookup | class | Drupal\migrate | core/ |
Provides a migration lookup service. | 2 | |||
| MigrateLookupInterface | interface | Drupal\migrate | core/ |
Provides an interface for the migration lookup service. | 1 | 8 | ||
| MigrateMapDeleteEvent | class | Drupal\migrate\Event | core/ |
Wraps a migrate map delete event for event listeners. | 2 | |||
| MigrateMapSaveEvent | class | Drupal\migrate\Event | core/ |
Wraps a migrate map save event for event listeners. | 2 | |||
| MigrateMessage | class | Drupal\migrate | core/ |
Defines a migrate message class. | 1 | |||
| MigrateMessageCapture | class | Drupal\migrate_drupal_ui\Batch | core/ |
Allows capturing messages rather than displaying them directly. | ||||
| MigrateMessageController | class | Drupal\migrate_drupal_ui\Controller | core/ |
Provides controller methods for the Message form. | ||||
| MigrateMessageController | class | Drupal\migrate\Controller | core/ |
Provides controller methods for the Message form. | 1 | 1 | ||
| MigrateMessageInterface | interface | Drupal\migrate | core/ |
2 | 7 | |||
| MigratePluginManager | class | Drupal\migrate\Plugin | core/ |
Manages migrate plugins. | 3 | 2 | 3 | |
| MigratePluginManagerInterface | interface | Drupal\migrate\Plugin | core/ |
2 | 1 | |||
| MigratePostRowSaveEvent | class | Drupal\migrate\Event | core/ |
Wraps a post-save event for event listeners. | 3 |