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
DisplayAttachmentTest class Drupal\Tests\views\Functional\Plugin core/modules/views/tests/src/Functional/Plugin/DisplayAttachmentTest.php Tests the attachment display plugin.
DisplayBlockTest class Drupal\Tests\block\Functional\Views core/modules/block/tests/src/Functional/Views/DisplayBlockTest.php Tests the block display plugin.
DisplayCRUDTest class Drupal\Tests\views_ui\Functional core/modules/views_ui/tests/src/Functional/DisplayCRUDTest.php Tests creation, retrieval, updating, and deletion of displays in the Web UI.
DisplayEntityReferenceTest class Drupal\Tests\views\Functional\Plugin core/modules/views/tests/src/Functional/Plugin/DisplayEntityReferenceTest.php Tests the entity reference display plugin.
DisplayExtenderPluginBase abstract class Drupal\views\Plugin\views\display_extender core/modules/views/src/Plugin/views/display_extender/DisplayExtenderPluginBase.php Base class for Views display extender plugins. 2 1
DisplayExtenderTest class Drupal\Tests\views\Kernel\Plugin core/modules/views/tests/src/Kernel/Plugin/DisplayExtenderTest.php Tests the display extender plugins.
DisplayExtenderTest class Drupal\views_test_data\Plugin\views\display_extender core/modules/views/tests/modules/views_test_data/src/Plugin/views/display_extender/DisplayExtenderTest.php Defines a display extender test plugin. 2 1
DisplayExtenderTest2 class Drupal\views_test_data\Plugin\views\display_extender core/modules/views/tests/modules/views_test_data/src/Plugin/views/display_extender/DisplayExtenderTest2.php Defines another display extender test plugin.
DisplayExtenderTest3 class Drupal\views_test_data\Plugin\views\display_extender core/modules/views/tests/modules/views_test_data/src/Plugin/views/display_extender/DisplayExtenderTest3.php Defines the third display extender test plugin.
DisplayExtenderUITest class Drupal\Tests\views_ui\Functional core/modules/views_ui/tests/src/Functional/DisplayExtenderUITest.php Tests the display extender UI.
DisplayFeedTest class Drupal\Tests\views_ui\Functional core/modules/views_ui/tests/src/Functional/DisplayFeedTest.php Tests the UI for feed display plugin.
DisplayFeedTest class Drupal\Tests\views\Functional\Plugin core/modules/views/tests/src/Functional/Plugin/DisplayFeedTest.php Tests the feed display plugin.
DisplayFeedTranslationTest class Drupal\Tests\views\Functional\Plugin core/modules/views/tests/src/Functional/Plugin/DisplayFeedTranslationTest.php Tests the feed display plugin with translated content.
DisplayKernelTest class Drupal\Tests\views\Kernel\Plugin core/modules/views/tests/src/Kernel/Plugin/DisplayKernelTest.php Drupal unit tests for the DisplayPluginBase class.
DisplayLink class Drupal\views\Plugin\views\area core/modules/views/src/Plugin/views/area/DisplayLink.php Views area display_link handler.
DisplayMenuInterface interface Drupal\views\Plugin\views\display core/modules/views/src/Plugin/views/display/DisplayMenuInterface.php Defines an interface for displays that provide menu links. 1 1
DisplayModeBundleSelectionTest class Drupal\Tests\field_ui\FunctionalJavascript core/modules/field_ui/tests/src/FunctionalJavascript/DisplayModeBundleSelectionTest.php Tests the bundle selection for view & form display modes.
DisplayModeLocalAction class Drupal\field_ui core/modules/field_ui/src/DisplayModeLocalAction.php Defines a local action plugin with modal dialog. 1
DisplayModeUpdateTest class Drupal\Tests\field\Kernel core/modules/field/tests/src/Kernel/DisplayModeUpdateTest.php Ensure display modes are updated when fields are created.
DisplayNoAreaTest class Drupal\views_test_data\Plugin\views\display core/modules/views/tests/modules/views_test_data/src/Plugin/views/display/DisplayNoAreaTest.php Defines a Display test plugin with areas disabled.
DisplayPageTest class Drupal\Tests\views\Kernel\Plugin core/modules/views/tests/src/Kernel/Plugin/DisplayPageTest.php Tests the page display plugin.
DisplayPageWebTest class Drupal\Tests\views\Functional\Plugin core/modules/views/tests/src/Functional/Plugin/DisplayPageWebTest.php Tests the views page display plugin.
DisplayPathTest class Drupal\Tests\views_ui\Functional core/modules/views_ui/tests/src/Functional/DisplayPathTest.php Tests the UI of generic display path plugin.
DisplayPluginBase abstract class Drupal\views\Plugin\views\display core/modules/views/src/Plugin/views/display/DisplayPluginBase.php Base class for views display plugins. 7 64
DisplayPluginCollection class Drupal\views core/modules/views/src/DisplayPluginCollection.php A class which wraps the displays of a view so you can lazy-initialize them. 1
DisplayPluginInterface interface Drupal\views\Plugin\views\display core/modules/views/src/Plugin/views/display/DisplayPluginInterface.php Provides an interface for Views display plugins. 3 1
DisplayRouterInterface interface Drupal\views\Plugin\views\display core/modules/views/src/Plugin/views/display/DisplayRouterInterface.php Defines an interface for displays that can collect routes. 1 2
DisplayTest class Drupal\Tests\views_ui\FunctionalJavascript core/modules/views_ui/tests/src/FunctionalJavascript/DisplayTest.php Tests the display UI.
DisplayTest class Drupal\Tests\views_ui\Functional core/modules/views_ui/tests/src/Functional/DisplayTest.php Tests the display UI.
DisplayTest class Drupal\Tests\views\Functional\Plugin core/modules/views/tests/src/Functional/Plugin/DisplayTest.php Tests the basic display plugin.
DisplayTest class Drupal\views_test_data\Plugin\views\display core/modules/views/tests/modules/views_test_data/src/Plugin/views/display/DisplayTest.php Defines a Display test plugin. 1 2
DisplayVariant class Drupal\Core\Display\Attribute core/lib/Drupal/Core/Display/Attribute/DisplayVariant.php Defines a display variant attribute object. 1 2
DisplayVariant class Drupal\Core\Display\Annotation core/lib/Drupal/Core/Display/Annotation/DisplayVariant.php Defines a display variant annotation object. 1
DisplayVariantTest class Drupal\Tests\Core\Display core/tests/Drupal/Tests/Core/Display/DisplayVariantTest.php @coversDefaultClass \Drupal\Core\Display\VariantBase[[api-linebreak]] @group Display
DisplayVariantTest class Drupal\Tests\system\Functional\Render core/modules/system/tests/src/Functional/Render/DisplayVariantTest.php Tests selecting a display variant.
DistributionProfileExistingSettingsTest class Drupal\FunctionalTests\Installer core/tests/Drupal/FunctionalTests/Installer/DistributionProfileExistingSettingsTest.php Tests distribution profile support with existing settings.
DistributionProfileTest class Drupal\FunctionalTests\Installer core/tests/Drupal/FunctionalTests/Installer/DistributionProfileTest.php Tests distribution profile support.
DistributionProfileTranslationQueryTest class Drupal\FunctionalTests\Installer core/tests/Drupal/FunctionalTests/Installer/DistributionProfileTranslationQueryTest.php Tests distribution profile support with a 'langcode' query string.
DistributionProfileTranslationTest class Drupal\FunctionalTests\Installer core/tests/Drupal/FunctionalTests/Installer/DistributionProfileTranslationTest.php Tests distribution profile support.
DocParser final class Drupal\Component\Annotation\Doctrine core/lib/Drupal/Component/Annotation/Doctrine/DocParser.php A parser for docblock annotations. 3
DocParserIgnoredClassesTest class Drupal\Tests\Component\Annotation core/tests/Drupal/Tests/Component/Annotation/DocParserIgnoredClassesTest.php @coversDefaultClass \Drupal\Component\Annotation\Doctrine\DocParser[[api-linebreak]]
DocParserTest class Drupal\Tests\Component\Annotation\Doctrine core/tests/Drupal/Tests/Component/Annotation/Doctrine/DocParserTest.php @coversDefaultClass \Drupal\Component\Annotation\Doctrine\DocParser[[api-linebreak]]
DocumentElement class Drupal\Tests core/tests/Drupal/Tests/DocumentElement.php Document element.
DoTrustedCallbackTrait trait Drupal\Core\Security core/lib/Drupal/Core/Security/DoTrustedCallbackTrait.php Ensures that only predefined methods can be used as callback methods. 5
DoTrustedCallbackTraitTest class Drupal\Tests\Core\Security core/tests/Drupal/Tests/Core/Security/DoTrustedCallbackTraitTest.php @coversDefaultClass \Drupal\Core\Security\DoTrustedCallbackTrait[[api-linebreak]] @group Security
DoubleSlashTest class Drupal\Tests\migrate_drupal_ui\Functional\d7 core/modules/migrate_drupal_ui/tests/src/Functional/d7/DoubleSlashTest.php Tests that a double slash is not in d7_file file not found migrate messages.
Download class Drupal\migrate\Plugin\migrate\process core/modules/migrate/src/Plugin/migrate/process/Download.php Downloads a file from a HTTP(S) remote location into the local file system. 1
DownloadFunctionalTest class Drupal\Tests\migrate\Functional\process core/modules/migrate/tests/src/Functional/process/DownloadFunctionalTest.php Tests the 'download' process plugin.
DownloadTest class Drupal\Tests\migrate\Kernel\process core/modules/migrate/tests/src/Kernel/process/DownloadTest.php Tests the download process plugin.
DownloadTest class Drupal\Tests\file\Functional core/modules/file/tests/src/Functional/DownloadTest.php Tests for download/file transfer functions.

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