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
GenericTest		class	Drupal\Tests\dblog\Functional	core/modules/dblog/tests/src/Functional/GenericTest.php	Generic module test for dblog.
GenericTestExistsTest		class	Drupal\Tests\Core\Extension	core/tests/Drupal/Tests/Core/Extension/GenericTestExistsTest.php	Tests that the Generic module test exists for all modules.
Get		class	Drupal\migrate\Plugin\migrate\process	core/modules/migrate/src/Plugin/migrate/process/Get.php	Gets the source value.		3
GetDocumentFromResponseTrait		trait	Drupal\Tests\jsonapi\Traits	core/modules/jsonapi/tests/src/Traits/GetDocumentFromResponseTrait.php	Test trait for retrieving the JSON:API document from a response.		4
GetTest		class	Drupal\Tests\migrate\Unit\process	core/modules/migrate/tests/src/Unit/process/GetTest.php	Tests the get process plugin.
GetTestMethodCallerExtendsTest		class	Drupal\FunctionalTests	core/tests/Drupal/FunctionalTests/GetTestMethodCallerExtendsTest.php	Test for BrowserTestBase::getTestMethodCaller() in child classes.
GetTestMethodCallerTest		class	Drupal\FunctionalTests	core/tests/Drupal/FunctionalTests/GetTestMethodCallerTest.php	Explicit test for BrowserTestBase::getTestMethodCaller().	1
Gettext		class	Drupal\locale	core/modules/locale/src/Gettext.php	Static class providing Drupal specific Gettext functionality.
Git		class	Drupal\Composer\Plugin\Scaffold	composer/Plugin/Scaffold/Git.php	Provide some Git utility operations.
GitExcluder		final class	Drupal\package_manager\PathExcluder	core/modules/package_manager/src/PathExcluder/GitExcluder.php	Excludes .git directories from stage operations.		1
GitExcluderTest		class	Drupal\Tests\package_manager\Kernel\PathExcluder	core/modules/package_manager/tests/src/Kernel/PathExcluder/GitExcluderTest.php	Tests Git Excluder.
GlobalAttribute		class	Drupal\ckeditor5\Plugin\CKEditor5Plugin	core/modules/ckeditor5/src/Plugin/CKEditor5Plugin/GlobalAttribute.php	CKEditor 5 Global Attribute for filter_html.			1
GlossaryTest		class	Drupal\Tests\views\Functional	core/modules/views/tests/src/Functional/GlossaryTest.php	Tests glossary functionality of views.
GlossaryViewTest		class	Drupal\Tests\views\FunctionalJavascript	core/modules/views/tests/src/FunctionalJavascript/GlossaryViewTest.php	Tests the basic AJAX functionality of the Glossary View.
Good		class	Drupal\Tests\Core\Foo	core/tests/PHPStan/fixtures/test-classes-missing-attributes.php	#[RunTestsInSeparateProcesses] #[Group('Test')]
GotoAction		class	Drupal\Core\Action\Plugin\Action	core/lib/Drupal/Core/Action/Plugin/Action/GotoAction.php	Redirects to a different URL.		1
GotoActionTest		class	Drupal\KernelTests\Core\Action	core/tests/Drupal/KernelTests/Core/Action/GotoActionTest.php	Tests Goto Action.
Graph		class	Drupal\Component\Graph	core/lib/Drupal/Component/Graph/Graph.php	Directed acyclic graph manipulation.		7
GraphTest		class	Drupal\Tests\Component\Graph	core/tests/Drupal/Tests/Component/Graph/GraphTest.php	Tests Drupal\Component\Graph\Graph.
Grid		class	Drupal\views\Plugin\views\style	core/modules/views/src/Plugin/views/style/Grid.php	Style plugin to render each item in a grid cell.		1
GridResponsive		class	Drupal\views\Plugin\views\style	core/modules/views/src/Plugin/views/style/GridResponsive.php	Style plugin to render each item in a responsive grid cell.
GroupByNumeric		class	Drupal\views\Plugin\views\sort	core/modules/views/src/Plugin/views/sort/GroupByNumeric.php	Handler for GROUP BY on simple numeric fields.
GroupByNumeric		class	Drupal\views\Plugin\views\filter	core/modules/views/src/Plugin/views/filter/GroupByNumeric.php	Simple filter to handle greater than/less than filters.
GroupByNumeric		class	Drupal\views\Plugin\views\argument	core/modules/views/src/Plugin/views/argument/GroupByNumeric.php	Simple handler for arguments using group by.
GroupByTest		class	Drupal\Tests\views_ui\Functional	core/modules/views_ui/tests/src/Functional/GroupByTest.php	Tests UI of aggregate functionality.
GroupedExposedFilterTest		class	Drupal\Tests\views\FunctionalJavascript\Plugin\views\Handler	core/modules/views/tests/src/FunctionalJavascript/Plugin/views/Handler/GroupedExposedFilterTest.php	Tests the grouped exposed filter admin UI.
GroupwiseMax		class	Drupal\views\Plugin\views\relationship	core/modules/views/src/Plugin/views/relationship/GroupwiseMax.php	The relationship handler for groupwise maximum queries.
HandleMultiplesTest		class	Drupal\Tests\migrate\Kernel\process	core/modules/migrate/tests/src/Kernel/process/HandleMultiplesTest.php	Tests process pipelines with scalar and multiple values handling.
Handler		class	Drupal\Composer\Plugin\Scaffold	composer/Plugin/Scaffold/Handler.php	Core class of the plugin.		2
HandlerAliasTest		class	Drupal\Tests\views\Kernel\Handler	core/modules/views/tests/src/Kernel/Handler/HandlerAliasTest.php	Tests handler table and field aliases.
HandlerAllTest		class	Drupal\Tests\views\Kernel\Handler	core/modules/views/tests/src/Kernel/Handler/HandlerAllTest.php	Tests instances of all handlers.
HandlerArgumentUserUidTest		class	Drupal\Tests\user\Kernel\Views	core/modules/user/tests/src/Kernel/Views/HandlerArgumentUserUidTest.php	Tests the handler of the user: uid Argument.
HandlerBase		abstract class	Drupal\views\Plugin\views	core/modules/views/src/Plugin/views/HandlerBase.php	Base class for Views handler plugins.	7	13
HandlerBaseTest		class	Drupal\Tests\views\Unit\Plugin	core/modules/views/tests/src/Unit/Plugin/HandlerBaseTest.php	Tests Drupal\views\Plugin\views\HandlerBase.
HandlerFieldFieldTest		class	Drupal\Tests\field\Kernel\Views	core/modules/field/tests/src/Kernel/Views/HandlerFieldFieldTest.php	Tests the field rendering in views.
HandlerFieldPermissionTest		class	Drupal\Tests\user\Kernel\Views	core/modules/user/tests/src/Kernel/Views/HandlerFieldPermissionTest.php	Tests the permission field handler.
HandlerFieldRoleTest		class	Drupal\Tests\user\Functional\Views	core/modules/user/tests/src/Functional/Views/HandlerFieldRoleTest.php	Tests the handler of the user: role field.
HandlerFieldUserNameTest		class	Drupal\Tests\user\Functional\Views	core/modules/user/tests/src/Functional/Views/HandlerFieldUserNameTest.php	Tests the handler of the user: name field.
HandlerFilterCurrentUserTest		class	Drupal\Tests\user\Kernel\Views	core/modules/user/tests/src/Kernel/Views/HandlerFilterCurrentUserTest.php	Tests the current user filter handler.
HandlerFilterPermissionTest		class	Drupal\Tests\user\Kernel\Views	core/modules/user/tests/src/Kernel/Views/HandlerFilterPermissionTest.php	Tests the permissions filter handler.
HandlerFilterRolesTest		class	Drupal\Tests\user\Kernel\Views	core/modules/user/tests/src/Kernel/Views/HandlerFilterRolesTest.php	Tests the roles filter handler.
HandlerFilterUserNameTest		class	Drupal\Tests\user\Functional\Views	core/modules/user/tests/src/Functional/Views/HandlerFilterUserNameTest.php	Tests the handler of the user: name filter.
HandlerInterface		interface	Drupal\Tests\Core\DependencyInjection\Compiler	core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/TaggedHandlersPassTest.php	Interface for test handlers.	1
HandlerStackConfigurator		class	Drupal\Core\Http	core/lib/Drupal/Core/Http/HandlerStackConfigurator.php	Defines a class for configuring middlewares on the http handler stack.			2
HandlerTest		class	Drupal\Tests\views_ui\Functional	core/modules/views_ui/tests/src/Functional/HandlerTest.php	Tests handler UI for views.
HandlerTest		class	Drupal\Tests\views\Functional\Handler	core/modules/views/tests/src/Functional/Handler/HandlerTest.php	Tests abstract handler definitions.
HandlerTestTrait		trait	Drupal\Tests\views\Unit\Plugin	core/modules/views/tests/src/Unit/Plugin/HandlerTestTrait.php	Test trait to mock dependencies of a handler.		1
HeadersCacheContext		class	Drupal\Core\Cache\Context	core/lib/Drupal/Core/Cache/Context/HeadersCacheContext.php	Defines the HeadersCacheContext service, for "per header" caching.		1	2
HeadersCacheContextTest		class	Drupal\Tests\Core\Cache\Context	core/tests/Drupal/Tests/Core/Cache/Context/HeadersCacheContextTest.php	Tests Drupal\Core\Cache\Context\HeadersCacheContext.
Heading		class	Drupal\ckeditor5\Plugin\CKEditor5Plugin	core/modules/ckeditor5/src/Plugin/CKEditor5Plugin/Heading.php	CKEditor 5 Heading plugin.		6	1

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