Classes, traits, and interfaces - 9.5.x - 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 1523

Name	Deprecated	Object type	Namespace	File name	Summary	Direct uses	Use statements	Strings
TestTasksSettingsSub1		class	Drupal\menu_test\Plugin\Menu\LocalTask	core/modules/system/tests/modules/menu_test/src/Plugin/Menu/LocalTask/TestTasksSettingsSub1.php				1
TestTaskWithUserInput		class	Drupal\menu_test\Plugin\Menu\LocalTask	core/modules/system/tests/modules/menu_test/src/Plugin/Menu/LocalTask/TestTaskWithUserInput.php				1
TestTestDatabase		class	Drupal\Tests\Core\Test	core/tests/Drupal/Tests/Core/Test/TestDatabaseTest.php	Stub class supports TestDatabaseTest::testConstructorNullPrefix().
TestTextfieldWidget		class	Drupal\field_plugins_test\Plugin\Field\FieldWidget	core/modules/field/tests/modules/field_plugins_test/src/Plugin/Field/FieldWidget/TestTextfieldWidget.php	Plugin implementation of the 'field_plugins_test_text_widget' widget.
TestTextTrimmedFormatter		class	Drupal\field_plugins_test\Plugin\Field\FieldFormatter	core/modules/field/tests/modules/field_plugins_test/src/Plugin/Field/FieldFormatter/TestTextTrimmedFormatter.php	Plugin implementation of the 'field_plugins_test_text_formatter' formatter.
TestThemeEngineExtensionList		class	Drupal\Tests\Core\Extension	core/tests/Drupal/Tests/Core/Extension/ThemeExtensionListTest.php	Test theme engine extension list class.
TestThemeExtensionList		class	Drupal\Tests\Core\Extension	core/tests/Drupal/Tests/Core/Extension/ThemeExtensionListTest.php	Test theme extension list class.
TestThemeNegotiator		class	Drupal\menu_test\Theme	core/modules/system/tests/modules/menu_test/src/Theme/TestThemeNegotiator.php	Tests the theme negotiation functionality.			2
TestTime		class	Drupal\update_test\Datetime	core/modules/update/tests/modules/update_test/src/Datetime/TestTime.php	Test service for altering the request time.			2
TestToolkit		class	Drupal\image_test\Plugin\ImageToolkit	core/modules/system/tests/modules/image_test/src/Plugin/ImageToolkit/TestToolkit.php	Defines a Test toolkit for image manipulation within Drupal.	2
TestTrait		trait	Drupal\Tests\system\Traits	core/modules/system/tests/src/Traits/TestTrait.php	A nothing trait, but declared in the Drupal\Tests namespace.		1
TestTranslation		class	Drupal\media_test_source\Plugin\media\Source	core/modules/media/tests/modules/media_test_source/src/Plugin/media/Source/TestTranslation.php	Provides test media source.
TestTranslationManager		class	Drupal\Tests\Core\StringTranslation	core/tests/Drupal/Tests/Core/StringTranslation/TranslationManagerTest.php
TestTranslationManager		class	Drupal\Tests\user\Unit	core/modules/user/tests/src/Unit/PermissionHandlerTest.php	Implements a translation manager in tests.
TestType		class	Drupal\workflow_type_test\Plugin\WorkflowType	core/modules/workflows/tests/modules/workflow_type_test/src/Plugin/WorkflowType/TestType.php	Test workflow type.		4
TestUrl		class	Drupal\Tests\Core	core/tests/Drupal/Tests/Core/UrlTest.php
TestValidatedReferenceConstraint		class	Drupal\entity_test\Plugin\Validation\Constraint	core/modules/system/tests/modules/entity_test/src/Plugin/Validation/Constraint/TestValidatedReferenceConstraint.php	Validates referenced entities.
TestValidatedReferenceConstraintValidator		class	Drupal\entity_test\Plugin\Validation\Constraint	core/modules/system/tests/modules/entity_test/src/Plugin/Validation/Constraint/TestValidatedReferenceConstraintValidator.php	Validates referenced entities.
TestVarDumper		class	Drupal\TestTools	core/tests/Drupal/TestTools/TestVarDumper.php	Provides handlers for the Symfony VarDumper to work within tests.		3
TestViewListBuilder		class	Drupal\Tests\views_ui\Unit	core/modules/views_ui/tests/src/Unit/ViewListBuilderTest.php
TestViewsLocalTask		class	Drupal\Tests\views\Unit\Plugin\Derivative	core/modules/views/tests/src/Unit/Plugin/Derivative/ViewsLocalTaskTest.php	Replaces the applicable views call for easier testability.
TestViewsTest		class	Drupal\Tests\views\Kernel	core/modules/views/tests/src/Kernel/TestViewsTest.php	Tests that test views provided by all modules match schema.
TestWithConstraints		class	Drupal\media_test_source\Plugin\media\Source	core/modules/media/tests/modules/media_test_source/src/Plugin/media/Source/TestWithConstraints.php	Provides generic media type.
TestWithDispatcher		class	Drupal\Tests\Component\EventDispatcher	core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php
TestWithHiddenSourceField		class	Drupal\media_test_source\Plugin\media\Source	core/modules/media/tests/modules/media_test_source/src/Plugin/media/Source/TestWithHiddenSourceField.php	Provides test media source.
TestWorkspaceNegotiator		class	Drupal\workspace_update_test\Negotiator	core/modules/workspaces/tests/modules/workspace_update_test/src/Negotiator/TestWorkspaceNegotiator.php	Defines a workspace negotiator used for testing.			2
TestXSSTitleBlock		class	Drupal\block_test\Plugin\Block	core/modules/block/tests/modules/block_test/src/Plugin/Block/TestXSSTitleBlock.php	Provides a block to test XSS in title.
Text		class	Drupal\views\Plugin\views\area	core/modules/views/src/Plugin/views/area/Text.php	Views area text handler.
Textarea		class	Drupal\config_translation\FormElement	core/modules/config_translation/src/FormElement/Textarea.php	Defines the textarea element for the configuration translation interface.
Textarea		class	Drupal\Core\Render\Element	core/lib/Drupal/Core/Render/Element/Textarea.php	Provides a form element for input of multiple-line text.		1
TextareaTest		class	Drupal\Tests\Core\Render\Element	core/tests/Drupal/Tests/Core/Render/Element/TextareaTest.php	@coversDefaultClass \Drupal\Core\Render\Element\Textarea[[api-linebreak]] @group Render
TextareaWidget		class	Drupal\text\Plugin\Field\FieldWidget	core/modules/text/src/Plugin/Field/FieldWidget/TextareaWidget.php	Plugin implementation of the 'text_textarea' widget.	1
TextareaWithSummaryTest		class	Drupal\Tests\text\FunctionalJavascript	core/modules/text/tests/src/FunctionalJavascript/TextareaWithSummaryTest.php	Tests the JavaScript functionality of the text_textarea_with_summary widget.
TextareaWithSummaryWidget		class	Drupal\text\Plugin\Field\FieldWidget	core/modules/text/src/Plugin/Field/FieldWidget/TextareaWithSummaryWidget.php	Plugin implementation of the 'text_textarea_with_summary' widget.		1
TextCustom		class	Drupal\views\Plugin\views\area	core/modules/views/src/Plugin/views/area/TextCustom.php	Views area text handler.
TextDefaultFormatter		class	Drupal\text\Plugin\Field\FieldFormatter	core/modules/text/src/Plugin/Field/FieldFormatter/TextDefaultFormatter.php	Plugin implementation of the 'text_default' formatter.
TextEditorObjectDependentValidatorTrait		trait	Drupal\ckeditor5\Plugin\Validation\Constraint	core/modules/ckeditor5/src/Plugin/Validation/Constraint/TextEditorObjectDependentValidatorTrait.php	Some CKEditor 5 constraint validators need a Text Editor object.
Textfield		class	Drupal\Core\Render\Element	core/lib/Drupal/Core/Render/Element/Textfield.php	Provides a one-line text field form element.	3	3
TextField		class	Drupal\text\Plugin\migrate\field\d6	core/modules/text/src/Plugin/migrate/field/d6/TextField.php	Plugin annotation @MigrateField( id = "d6_text", type_map = { "text" = "text", "text_long" = "text_long", "text_with_summary" = "text_with_summary" }, core = {6}, source_module = "text", destination_module = "text", )		2
TextField		class	Drupal\text\Plugin\migrate\field\d7	core/modules/text/src/Plugin/migrate/field/d7/TextField.php	Plugin annotation @MigrateField( id = "d7_text", type_map = { "text" = "text", "text_long" = "text_long", "text_with_summary" = "text_with_summary" }, core = {7}, source_module = "text", destination_module = "text", )		1
Textfield		class	Drupal\config_translation\FormElement	core/modules/config_translation/src/FormElement/Textfield.php	Defines the textfield element for the configuration translation interface.
TextFieldRdfaTest		class	Drupal\Tests\rdf\Kernel\Field	core/modules/rdf/tests/src/Kernel/Field/TextFieldRdfaTest.php	Tests RDFa output by text field formatters.
TextfieldTest		class	Drupal\Tests\Core\Render\Element	core/tests/Drupal/Tests/Core/Render/Element/TextfieldTest.php	@coversDefaultClass \Drupal\Core\Render\Element\Textfield[[api-linebreak]] @group Render
TextFieldTest		class	Drupal\Tests\text\Unit\Migrate\d7	core/modules/text/tests/src/Unit/Migrate/d7/TextFieldTest.php	@coversDefaultClass \Drupal\text\Plugin\migrate\field\d7\TextField[[api-linebreak]] @group text
TextFieldTest		class	Drupal\Tests\text\Unit\Migrate\d6	core/modules/text/tests/src/Unit/Migrate/d6/TextFieldTest.php	@coversDefaultClass \Drupal\text\Plugin\migrate\field\d6\TextField[[api-linebreak]] @group text	1	1
TextFieldTest		class	Drupal\Tests\text\Unit\Plugin\migrate\field\d7	core/modules/text/tests/src/Unit/Plugin/migrate/field/d7/TextFieldTest.php	@coversDefaultClass \Drupal\text\Plugin\migrate\field\d7\TextField[[api-linebreak]] @group text
TextFieldTest		class	Drupal\Tests\text\Unit\Plugin\migrate\field\d6	core/modules/text/tests/src/Unit/Plugin/migrate/field/d6/TextFieldTest.php	@coversDefaultClass \Drupal\text\Plugin\migrate\field\d6\TextField[[api-linebreak]] @group text
TextFieldTest		class	Drupal\Tests\text\Functional	core/modules/text/tests/src/Functional/TextFieldTest.php	Tests the creation of text fields.
TextfieldWidget		class	Drupal\text\Plugin\Field\FieldWidget	core/modules/text/src/Plugin/Field/FieldWidget/TextfieldWidget.php	Plugin implementation of the 'text_textfield' widget.	1	1
TextFormat		class	Drupal\config_translation\FormElement	core/modules/config_translation/src/FormElement/TextFormat.php	Defines the text_format element for the configuration translation interface.

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