Classes, traits, and interfaces - 10.3.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 1518

Name Deprecated Object type Namespace File name Summary Direct uses Use statements Strings
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.
TestWaitTerminateMiddleware class Drupal\Core\Test\StackMiddleware core/lib/Drupal/Core/Test/StackMiddleware/TestWaitTerminateMiddleware.php Acquire a lock to signal request termination to the test runner.
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.
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\config_translation\FormElement core/modules/config_translation/src/FormElement/Textfield.php Defines the textfield element for the configuration translation interface.
Textfield class Drupal\Core\Render\Element core/lib/Drupal/Core/Render/Element/Textfield.php Provides a one-line text field form element. 3 2
TextField class Drupal\text\Plugin\migrate\field\d6 core/modules/text/src/Plugin/migrate/field/d6/TextField.php MigrateField Plugin for Drupal 6 text fields. 1
TextField class Drupal\text\Plugin\migrate\field\d7 core/modules/text/src/Plugin/migrate/field/d7/TextField.php #[MigrateField(id: 'd7_text', core: [ 7, ], type_map: [ 'text' => 'text', 'text_long' => 'text_long', 'text_with_summary' => 'text_with_summary', ], source_module: 'text', destination_module: 'text')] 1
TextFieldItemList class Drupal\text\Plugin\Field\FieldType core/modules/text/src/Plugin/Field/FieldType/TextFieldItemList.php Defines an item list class for text fields.
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\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\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\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.
TextFormat class Drupal\filter\Element core/modules/filter/src/Element/TextFormat.php Provides a text format render element.
TextFormatElementFormTest class Drupal\Tests\filter\Kernel core/modules/filter/tests/src/Kernel/TextFormatElementFormTest.php Tests PathElement validation and conversion functionality.
TextFormatterTest class Drupal\Tests\text\Kernel core/modules/text/tests/src/Kernel/TextFormatterTest.php Tests the text formatters functionality.
TextItem class Drupal\text\Plugin\Field\FieldType core/modules/text/src/Plugin/Field/FieldType/TextItem.php Plugin implementation of the 'text' field type.
TextItemBase abstract class Drupal\text\Plugin\Field\FieldType core/modules/text/src/Plugin/Field/FieldType/TextItemBase.php Base class for 'text' configurable field types. 3 4
TextItemBaseTest class Drupal\Tests\text\Kernel core/modules/text/tests/src/Kernel/TextItemBaseTest.php Tests TextItemBase.
TextItemSillyNormalizer class Drupal\field_normalization_test\Normalization core/modules/serialization/tests/modules/field_normalization_test/src/Normalization/TextItemSillyNormalizer.php A test TextItem normalizer to test denormalization. 2
TextLongItem class Drupal\text\Plugin\Field\FieldType core/modules/text/src/Plugin/Field/FieldType/TextLongItem.php Plugin implementation of the 'text_long' field type. 1 1
TextProcessed class Drupal\text core/modules/text/src/TextProcessed.php A computed property for processing text with a format.
TextSummaryOrTrimmedFormatter class Drupal\text\Plugin\Field\FieldFormatter core/modules/text/src/Plugin/Field/FieldFormatter/TextSummaryOrTrimmedFormatter.php Plugin implementation of the 'text_summary_or_trimmed' formatter.
TextSummaryTest class Drupal\Tests\text\Kernel core/modules/text/tests/src/Kernel/TextSummaryTest.php Tests text_summary() with different strings and lengths.
TextTrimmedFormatter class Drupal\text\Plugin\Field\FieldFormatter core/modules/text/src/Plugin/Field/FieldFormatter/TextTrimmedFormatter.php Plugin implementation of the 'text_trimmed' formatter. 2 1
TextWithSummaryItem class Drupal\text\Plugin\Field\FieldType core/modules/text/src/Plugin/Field/FieldType/TextWithSummaryItem.php Plugin implementation of the 'text_with_summary' field type.
TextWithSummaryItemTest class Drupal\Tests\text\Kernel core/modules/text/tests/src/Kernel/TextWithSummaryItemTest.php Tests using entity fields of the text summary field type.
Theme class Drupal\Core\Updater core/lib/Drupal/Core/Updater/Theme.php Defines a class for updating themes.
ThemeAccessCheck class Drupal\Core\Theme core/lib/Drupal/Core/Theme/ThemeAccessCheck.php Provides access checking for themes for routing and theme negotiation. 1 2
ThemeAdminForm class Drupal\system\Form core/modules/system/src/Form/ThemeAdminForm.php Form to select the administration theme.

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