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
CommentPreviewTest		class	Drupal\Tests\comment\Functional	core/modules/comment/tests/src/Functional/CommentPreviewTest.php	Tests comment preview.
CommentResourceTestBase		abstract class	Drupal\Tests\comment\Functional\Rest	core/modules/comment/tests/src/Functional/Rest/CommentResourceTestBase.php	Resource test base for the comment entity.	6
CommentRowTest		class	Drupal\Tests\comment\Functional\Views	core/modules/comment/tests/src/Functional/Views/CommentRowTest.php	Tests the comment row plugin.
CommentRssTest		class	Drupal\Tests\comment\Functional	core/modules/comment/tests/src/Functional/CommentRssTest.php	Tests comments as part of an RSS feed.
CommentSelection		class	Drupal\comment\Plugin\EntityReferenceSelection	core/modules/comment/src/Plugin/EntityReferenceSelection/CommentSelection.php	Provides specific access control for the comment entity type.
CommentSourceWithHighWaterTest		class	Drupal\Tests\comment\Kernel\Plugin\migrate\source\d6	core/modules/comment/tests/src/Kernel/Plugin/migrate/source/d6/CommentSourceWithHighWaterTest.php	Tests the Drupal 6 comment source w/ high water handling.
CommentStatistics		class	Drupal\comment	core/modules/comment/src/CommentStatistics.php	Service for storing and retrieving comment statistics.		1	2
CommentStatisticsInterface		interface	Drupal\comment	core/modules/comment/src/CommentStatisticsInterface.php	Provides an interface for storing and retrieving comment statistics.	1
CommentStatisticsTest		class	Drupal\Tests\comment\Functional	core/modules/comment/tests/src/Functional/CommentStatisticsTest.php	Tests comment statistics on nodes.
CommentStatisticsUnitTest		class	Drupal\Tests\comment\Unit	core/modules/comment/tests/src/Unit/CommentStatisticsUnitTest.php	Tests Drupal\comment\CommentStatistics.
CommentStatusFieldAccessTest		class	Drupal\Tests\comment\Functional	core/modules/comment/tests/src/Functional/CommentStatusFieldAccessTest.php	Tests comment status field access.
CommentStorage		class	Drupal\comment	core/modules/comment/src/CommentStorage.php	Defines the storage handler class for comments.		1
CommentStorageInterface		interface	Drupal\comment	core/modules/comment/src/CommentStorageInterface.php	Defines an interface for comment entity storage classes.	1	1
CommentStorageSchema		class	Drupal\comment	core/modules/comment/src/CommentStorageSchema.php	Defines the comment schema handler.		1
CommentStringIdEntitiesTest		class	Drupal\Tests\comment\Kernel	core/modules/comment/tests/src/Kernel/CommentStringIdEntitiesTest.php	Tests that comment fields cannot be added to entities with non-integer IDs.
CommentTest		class	Drupal\Tests\jsonapi\Functional	core/modules/jsonapi/tests/src/Functional/CommentTest.php	JSON:API integration test for the "Comment" content entity type.	1
CommentTest		class	Drupal\Tests\comment\Kernel\Plugin\migrate\source\d6	core/modules/comment/tests/src/Kernel/Plugin/migrate/source/d6/CommentTest.php	Tests D6 comment source plugin.
CommentTest		class	Drupal\Tests\comment\Kernel\Plugin\migrate\source\d7	core/modules/comment/tests/src/Kernel/Plugin/migrate/source/d7/CommentTest.php	Tests D7 comment source plugin.
CommentTestBase		abstract class	Drupal\Tests\comment\Functional	core/modules/comment/tests/src/Functional/CommentTestBase.php	Provides setup and helper methods for comment tests.	22	2
CommentTestBase		abstract class	Drupal\Tests\comment\Functional\Views	core/modules/comment/tests/src/Functional/Views/CommentTestBase.php	Provides setup and helper methods for comment views tests.	6
CommentTestBaseField		class	Drupal\comment_base_field_test\Entity	core/modules/comment/tests/modules/comment_base_field_test/src/Entity/CommentTestBaseField.php	Defines a test entity class for comment as a base field.		1
CommentTestController		class	Drupal\comment_test\Controller	core/modules/comment/tests/modules/comment_test/src/Controller/CommentTestController.php	Controller for the comment_test.module.
CommentTestHooks		class	Drupal\comment_test\Hook	core/modules/comment/tests/modules/comment_test/src/Hook/CommentTestHooks.php	Hook implementations for comment_test.
CommentTestTrait		trait	Drupal\comment\Tests	core/modules/comment/src/Tests/CommentTestTrait.php	Provides common functionality for the Comment test classes.		45
CommentThemeHooks		class	Drupal\comment\Hook	core/modules/comment/src/Hook/CommentThemeHooks.php	Hook implementations for comment.
CommentThreadingTest		class	Drupal\Tests\comment\Functional	core/modules/comment/tests/src/Functional/CommentThreadingTest.php	Tests to make sure the comment number increments properly.
CommentTitleTest		class	Drupal\Tests\comment\Functional	core/modules/comment/tests/src/Functional/CommentTitleTest.php	Tests that appropriate and accessible markup is created for comment titles.
CommentTokenReplaceTest		class	Drupal\Tests\comment\Functional	core/modules/comment/tests/src/Functional/CommentTokenReplaceTest.php	Tests comment token replacement.
CommentTokensHooks		class	Drupal\comment\Hook	core/modules/comment/src/Hook/CommentTokensHooks.php	Hook implementations for comment.
CommentTranslationHandler		class	Drupal\comment	core/modules/comment/src/CommentTranslationHandler.php	Defines the translation handler for comments.		1
CommentTranslationUITest		class	Drupal\Tests\comment\Functional	core/modules/comment/tests/src/Functional/CommentTranslationUITest.php	Tests the Comment Translation UI.
CommentType		class	Drupal\comment\Entity	core/modules/comment/src/Entity/CommentType.php	Defines the comment type entity.		29
CommentType		class	Drupal\comment\Plugin\migrate\source	core/modules/comment/src/Plugin/migrate/source/CommentType.php	Drupal 6/7 comment types source from database.		1
CommentTypeDeleteForm		class	Drupal\comment\Form	core/modules/comment/src/Form/CommentTypeDeleteForm.php	Provides a confirmation form for deleting a comment type entity.		1
CommentTypeForm		class	Drupal\comment	core/modules/comment/src/CommentTypeForm.php	Base form handler for comment type edit forms.		1
CommentTypeInterface		interface	Drupal\comment	core/modules/comment/src/CommentTypeInterface.php	Provides an interface defining a comment type entity.	1	1
CommentTypeJsonAnonTest		class	Drupal\Tests\comment\Functional\Rest	core/modules/comment/tests/src/Functional/Rest/CommentTypeJsonAnonTest.php	Tests Comment Type Json Anon.
CommentTypeJsonBasicAuthTest		class	Drupal\Tests\comment\Functional\Rest	core/modules/comment/tests/src/Functional/Rest/CommentTypeJsonBasicAuthTest.php	Tests Comment Type Json Basic Auth.
CommentTypeJsonCookieTest		class	Drupal\Tests\comment\Functional\Rest	core/modules/comment/tests/src/Functional/Rest/CommentTypeJsonCookieTest.php	Tests Comment Type Json Cookie.
CommentTypeListBuilder		class	Drupal\comment	core/modules/comment/src/CommentTypeListBuilder.php	Defines a class to build a listing of comment type entities.		1
CommentTypeRequirementsTest		class	Drupal\Tests\comment\Kernel\Plugin\migrate\source	core/modules/comment/tests/src/Kernel/Plugin/migrate/source/CommentTypeRequirementsTest.php	Tests check requirements for comment type source plugin.
CommentTypeResourceTestBase		abstract class	Drupal\Tests\comment\Functional\Rest	core/modules/comment/tests/src/Functional/Rest/CommentTypeResourceTestBase.php	Resource test base for CommentType entity.	6
CommentTypeTest		class	Drupal\Tests\comment\Kernel\Plugin\migrate\source	core/modules/comment/tests/src/Kernel/Plugin/migrate/source/CommentTypeTest.php	Tests the comment type source plugin.
CommentTypeTest		class	Drupal\Tests\comment\Functional	core/modules/comment/tests/src/Functional/CommentTypeTest.php	Ensures that comment type functions work correctly.
CommentTypeTest		class	Drupal\Tests\jsonapi\Functional	core/modules/jsonapi/tests/src/Functional/CommentTypeTest.php	JSON:API integration test for the "CommentType" config entity type.
CommentTypeValidationTest		class	Drupal\Tests\comment\Kernel	core/modules/comment/tests/src/Kernel/CommentTypeValidationTest.php	Tests validation of comment_type entities.
CommentTypeXmlAnonTest		class	Drupal\Tests\comment\Functional\Rest	core/modules/comment/tests/src/Functional/Rest/CommentTypeXmlAnonTest.php	Tests Comment Type Xml Anon.
CommentTypeXmlBasicAuthTest		class	Drupal\Tests\comment\Functional\Rest	core/modules/comment/tests/src/Functional/Rest/CommentTypeXmlBasicAuthTest.php	Tests Comment Type Xml Basic Auth.
CommentTypeXmlCookieTest		class	Drupal\Tests\comment\Functional\Rest	core/modules/comment/tests/src/Functional/Rest/CommentTypeXmlCookieTest.php	Tests Comment Type Xml Cookie.
CommentUninstallTest		class	Drupal\Tests\comment\Kernel	core/modules/comment/tests/src/Kernel/CommentUninstallTest.php	Tests comment module uninstall.

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