Classes, traits, and interfaces - main - drupal

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

core/core.api.php, line 1529

Name Deprecated Object type Namespace File name Summary Direct uses Use statements Strings
TransactionTest class Drupal\Tests\mysqli\Kernel\mysqli core/modules/mysqli/tests/src/Kernel/mysqli/TransactionTest.php Tests transaction for the MySQLi driver.
TransactionTest class Drupal\KernelTests\Core\Database core/tests/Drupal/KernelTests/Core/Database/TransactionTest.php Tests the transactions, using the explicit ::commitOrRelease method.
TransactionTest class Drupal\Tests\sqlite\Kernel\sqlite core/modules/sqlite/tests/src/Kernel/sqlite/TransactionTest.php Tests transaction for the SQLite driver.
TransactionTest class Drupal\Tests\mysql\Kernel\mysql core/modules/mysql/tests/src/Kernel/mysql/TransactionTest.php Tests transaction for the MySQL driver.
TransformedConfigExportImportUITest class Drupal\Tests\config\Functional core/modules/config/tests/src/Functional/TransformedConfigExportImportUITest.php Tests the user interface for importing/exporting transformed configuration.
Transition class Drupal\workflows core/modules/workflows/src/Transition.php A transition value object that describes the transition between states. 5
TransitionInterface interface Drupal\workflows core/modules/workflows/src/TransitionInterface.php A transition value object that describes the transition between two states. 1 3
TransitionTest class Drupal\Tests\workflows\Unit core/modules/workflows/tests/src/Unit/TransitionTest.php Tests Drupal\workflows\Transition.
TranslatableFieldTest class Drupal\Tests\layout_builder\Kernel core/modules/layout_builder/tests/src/Kernel/TranslatableFieldTest.php Tests Layout Builder with a translatable layout field.
TranslatableInterface interface Drupal\Core\TypedData core/lib/Drupal/Core/TypedData/TranslatableInterface.php Interface for translatable data. 1 13
TranslatableInterface interface Drupal\Core\Entity core/lib/Drupal/Core/Entity/TranslatableInterface.php Provides methods for an entity to support translation. 1 5
TranslatableMarkup class Drupal\Core\StringTranslation core/lib/Drupal/Core/StringTranslation/TranslatableMarkup.php Provides translatable markup class. 2 926 1
TranslatableMarkupTest class Drupal\Tests\Core\StringTranslation core/tests/Drupal/Tests/Core/StringTranslation/TranslatableMarkupTest.php Tests the TranslatableMarkup class.
TranslatableRevisionableInterface interface Drupal\Core\Entity core/lib/Drupal/Core/Entity/TranslatableRevisionableInterface.php Provides methods for an entity to support revision translation. 1
TranslatableRevisionableStorageInterface interface Drupal\Core\Entity core/lib/Drupal/Core/Entity/TranslatableRevisionableStorageInterface.php A storage that supports translatable and revisionable entity types. 1
TranslatableStorageInterface interface Drupal\Core\Entity core/lib/Drupal/Core/Entity/TranslatableStorageInterface.php A storage that supports translatable entity types. 1
TranslatableStringAdapter final class Drupal\package_manager core/modules/package_manager/src/TranslatableStringAdapter.php An adapter for interoperable string translation. 2
TranslatableStringFactory final class Drupal\package_manager core/modules/package_manager/src/TranslatableStringFactory.php Creates translatable strings that can interoperate with Composer Stager. 2
TranslatableStringTest class Drupal\Tests\package_manager\Kernel core/modules/package_manager/tests/src/Kernel/TranslatableStringTest.php Tests Translatable String.
TranslatedViewTest class Drupal\Tests\views_ui\Functional core/modules/views_ui/tests/src/Functional/TranslatedViewTest.php Tests that translated strings in views UI don't override original strings.
TranslateEditForm class Drupal\locale\Form core/modules/locale/src/Form/TranslateEditForm.php Defines a translation edit form.
TranslateFilterForm class Drupal\locale\Form core/modules/locale/src/Form/TranslateFilterForm.php Provides a filtered translation edit form.
TranslateFormBase abstract class Drupal\locale\Form core/modules/locale/src/Form/TranslateFormBase.php Defines the locale user interface translation form base. 2
Translation class Drupal\Core\Annotation core/lib/Drupal/Core/Annotation/Translation.php Defines a translatable annotation object. 1
TranslationInterface interface Drupal\Core\StringTranslation core/lib/Drupal/Core/StringTranslation/TranslationInterface.php Interface for the translation.manager translation service. 2 79
TranslationLanguageRenderer class Drupal\views\Entity\Render core/modules/views/src/Entity/Render/TranslationLanguageRenderer.php Renders entity translations in their row language.
TranslationLink class Drupal\content_translation\Plugin\views\field core/modules/content_translation/src/Plugin/views/field/TranslationLink.php Provides a translation link for an entity.
TranslationLinkTest class Drupal\Tests\content_translation\Functional\Views core/modules/content_translation/tests/src/Functional/Views/TranslationLinkTest.php Tests the content translation overview link field handler.
TranslationManager class Drupal\Core\StringTranslation core/lib/Drupal/Core/StringTranslation/TranslationManager.php Defines a chained translation implementation combining multiple translators. 1 5 2
TranslationManagerTest class Drupal\Tests\Core\StringTranslation core/tests/Drupal/Tests/Core/StringTranslation/TranslationManagerTest.php Tests Drupal\Core\StringTranslation\TranslationManager.
TranslationsStream class Drupal\locale\StreamWrapper core/modules/locale/src/StreamWrapper/TranslationsStream.php Defines a Drupal translations (translations://) stream wrapper class. 4 2
TranslationStatusForm class Drupal\locale\Form core/modules/locale/src/Form/TranslationStatusForm.php Provides a translation status form. 1
TranslationStatusInterface interface Drupal\Core\TypedData core/lib/Drupal/Core/TypedData/TranslationStatusInterface.php Defines an interface for checking the status of an entity translation. 1 3
TranslationsTest class Drupal\Tests\media_library\FunctionalJavascript core/modules/media_library/tests/src/FunctionalJavascript/TranslationsTest.php Tests media library for translatable media.
TranslationString class Drupal\locale core/modules/locale/src/TranslationString.php Defines the locale translation string object. 1
TranslationStringTest class Drupal\KernelTests\Core\StringTranslation core/tests/Drupal/KernelTests/Core/StringTranslation/TranslationStringTest.php Tests the TranslatableMarkup class.
TranslationTest class Drupal\Tests\Core\Annotation core/tests/Drupal/Tests/Core/Annotation/TranslationTest.php Tests Drupal\Core\Annotation\Translation.
TranslationTest class Drupal\Tests\field\Kernel core/modules/field/tests/src/Kernel/TranslationTest.php Tests multilingual fields logic.
TranslationWebTest class Drupal\Tests\field\Functional core/modules/field/tests/src/Functional/TranslationWebTest.php Tests multilingual fields logic that require a full environment.
TranslatorInterface interface Drupal\Core\StringTranslation\Translator core/lib/Drupal/Core/StringTranslation/Translator/TranslatorInterface.php Interface for objects capable of string translation. 3 3
TranslatorInterface interface Drupal\Core\Validation core/lib/Drupal/Core/Validation/TranslatorInterface.php Defines an interface used in validation. 1 1
TransliterationInterface interface Drupal\Component\Transliteration core/lib/Drupal/Component/Transliteration/TransliterationInterface.php Defines an interface for classes providing transliteration. 1 5
TransportInfoController class Drupal\mailer_transport_factory_functional_test\Controller core/modules/mailer/tests/modules/mailer_transport_factory_functional_test/src/Controller/TransportInfoController.php Returns responses for transport info routes.
TransportServiceFactory class Drupal\Core\Mailer core/lib/Drupal/Core/Mailer/TransportServiceFactory.php The default mailer transport service factory. 1
TransportServiceFactoryInterface interface Drupal\Core\Mailer core/lib/Drupal/Core/Mailer/TransportServiceFactoryInterface.php An interface defining mailer transport service factory implementations. 1
TransportServiceFactoryTest class Drupal\Tests\mailer\Functional core/modules/mailer/tests/src/Functional/TransportServiceFactoryTest.php Tests the transport service factory in the child site of browser tests.
TransportServiceFactoryTrait trait Drupal\Core\Mailer core/lib/Drupal/Core/Mailer/TransportServiceFactoryTrait.php A trait containing helper methods for transport service construction.
TransportTest class Drupal\Tests\mailer\Kernel core/modules/mailer/tests/src/Kernel/TransportTest.php Tests the transport factory service.
TraversableObject class Drupal\jsonapi_test_data_type core/modules/jsonapi/tests/modules/jsonapi_test_data_type/src/TraversableObject.php An object which implements \IteratorAggregate. 2
TraversableObjectNormalizer class Drupal\jsonapi_test_data_type\Normalizer core/modules/jsonapi/tests/modules/jsonapi_test_data_type/src/Normalizer/TraversableObjectNormalizer.php Normalizes TraversableObject. 2

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