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
AreaDisplayLinkTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/AreaDisplayLinkTest.php Tests the core views_handler_area_display_link handler.
AreaEmptyTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/AreaEmptyTest.php Tests the generic entity area handler.
AreaEntityTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/AreaEntityTest.php Tests the generic entity area handler.
AreaEntityUITest class Drupal\Tests\views_ui\Functional core/modules/views_ui/tests/src/Functional/AreaEntityUITest.php Tests the entity area UI test.
AreaHTTPStatusCodeTest class Drupal\Tests\views\Functional\Handler core/modules/views/tests/src/Functional/Handler/AreaHTTPStatusCodeTest.php Tests the http_status_code area handler.
AreaMessagesTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/AreaMessagesTest.php Tests the messages area handler.
AreaOrderTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/AreaOrderTest.php Tests the view area handler.
AreaPluginBase abstract class Drupal\views\Plugin\views\area core/modules/views/src/Plugin/views/area/AreaPluginBase.php Base class for area handler plugins. 11 4
AreaPluginBase abstract class Drupal\views\Plugin\views\area core/modules/views/src/Plugin/views/area/AreaPluginBase.php Base class for area handler plugins. 11 4
AreaPluginBase abstract class Drupal\views\Plugin\views\area core/modules/views/src/Plugin/views/area/AreaPluginBase.php Base class for area handler plugins. 11 4
AreaPluginBase abstract class Drupal\views\Plugin\views\area core/modules/views/src/Plugin/views/area/AreaPluginBase.php Base class for area handler plugins. 11 4
AreaPluginBase abstract class Drupal\views\Plugin\views\area core/modules/views/src/Plugin/views/area/AreaPluginBase.php Base class for area handler plugins. 11 4
AreaPluginBase abstract class Drupal\views\Plugin\views\area core/modules/views/src/Plugin/views/area/AreaPluginBase.php Base class for area handler plugins. 11 4
AreaResultTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/AreaResultTest.php Tests the result area handler.
AreaTest class Drupal\Tests\views\Functional\Handler core/modules/views/tests/src/Functional/Handler/AreaTest.php Tests the plugin base of the area handler.
AreaTextTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/AreaTextTest.php Tests the core views_handler_area_text handler.
AreaTitleTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/AreaTitleTest.php Tests the title area handler.
AreaTitleWebTest class Drupal\Tests\views\Functional\Handler core/modules/views/tests/src/Functional/Handler/AreaTitleWebTest.php Tests the title area handler with a web test.
AreaViewTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/AreaViewTest.php Tests the view area handler.
ArgumentDateTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/ArgumentDateTest.php Tests the core date argument handlers.
ArgumentDateTimeTest class Drupal\Tests\datetime\Kernel\Views core/modules/datetime/tests/src/Kernel/Views/ArgumentDateTimeTest.php Tests the Drupal\datetime\Plugin\views\filter\Date handler.
ArgumentDefaultPluginBase abstract class Drupal\views\Plugin\views\argument_default core/modules/views/src/Plugin/views/argument_default/ArgumentDefaultPluginBase.php The fixed argument default handler; also used as the base. 8 5
ArgumentDefaultPluginBase abstract class Drupal\views\Plugin\views\argument_default core/modules/views/src/Plugin/views/argument_default/ArgumentDefaultPluginBase.php The fixed argument default handler; also used as the base. 8 5
ArgumentDefaultPluginBase abstract class Drupal\views\Plugin\views\argument_default core/modules/views/src/Plugin/views/argument_default/ArgumentDefaultPluginBase.php The fixed argument default handler; also used as the base. 8 5
ArgumentDefaultPluginBase abstract class Drupal\views\Plugin\views\argument_default core/modules/views/src/Plugin/views/argument_default/ArgumentDefaultPluginBase.php The fixed argument default handler; also used as the base. 8 5
ArgumentDefaultPluginBase abstract class Drupal\views\Plugin\views\argument_default core/modules/views/src/Plugin/views/argument_default/ArgumentDefaultPluginBase.php The fixed argument default handler; also used as the base. 8 5
ArgumentDefaultPluginBase abstract class Drupal\views\Plugin\views\argument_default core/modules/views/src/Plugin/views/argument_default/ArgumentDefaultPluginBase.php The fixed argument default handler; also used as the base. 8 5
ArgumentDefaultTest class Drupal\Tests\views\Functional\Plugin core/modules/views/tests/src/Functional/Plugin/ArgumentDefaultTest.php Tests pluggable argument_default for views.
ArgumentDefaultTest class Drupal\views_test_data\Plugin\views\argument_default core/modules/views/tests/modules/views_test_data/src/Plugin/views/argument_default/ArgumentDefaultTest.php Defines an argument default test plugin. 1
ArgumentDefaultTest class Drupal\views_test_data\Plugin\views\argument_default core/modules/views/tests/modules/views_test_data/src/Plugin/views/argument_default/ArgumentDefaultTest.php Defines an argument default test plugin. 1
ArgumentDefaultTest class Drupal\Tests\user\Kernel\Views core/modules/user/tests/src/Kernel/Views/ArgumentDefaultTest.php Tests views user argument default plugin.
ArgumentLanguageTest class Drupal\Tests\language\Kernel\Views core/modules/language/tests/src/Kernel/Views/ArgumentLanguageTest.php Tests the argument language handler.
ArgumentNodeRevisionIdTest class Drupal\Tests\node\Kernel\Views core/modules/node/tests/src/Kernel/Views/ArgumentNodeRevisionIdTest.php Tests the node_vid handler.
ArgumentNullTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/ArgumentNullTest.php Tests the core Drupal\views\Plugin\views\argument\NullArgument handler.
ArgumentPluginBase abstract class Drupal\views\Plugin\views\argument core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php Base class for argument (contextual filter) handler plugins. 13 9
ArgumentPluginBase abstract class Drupal\views\Plugin\views\argument core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php Base class for argument (contextual filter) handler plugins. 13 9
ArgumentPluginBase abstract class Drupal\views\Plugin\views\argument core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php Base class for argument (contextual filter) handler plugins. 13 9
ArgumentPluginBase abstract class Drupal\views\Plugin\views\argument core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php Base class for argument (contextual filter) handler plugins. 13 9
ArgumentPluginBase abstract class Drupal\views\Plugin\views\argument core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php Base class for argument (contextual filter) handler plugins. 13 9
ArgumentPluginBase abstract class Drupal\views\Plugin\views\argument core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php Base class for argument (contextual filter) handler plugins. 13 9
ArgumentsAllNull class Drupal\Tests\Component\Plugin\Factory core/tests/Drupal/Tests/Component/Plugin/Factory/ReflectionFactoryTest.php A stub class used by testGetInstanceArguments().
ArgumentsConfigArrayKey class Drupal\Tests\Component\Plugin\Factory core/tests/Drupal/Tests/Component/Plugin/Factory/ReflectionFactoryTest.php A stub class used by testGetInstanceArguments().
ArgumentsMany class Drupal\Tests\Component\Plugin\Factory core/tests/Drupal/Tests/Component/Plugin/Factory/ReflectionFactoryTest.php A stub class used by testGetInstanceArguments().
ArgumentsNoConstructor class Drupal\Tests\Component\Plugin\Factory core/tests/Drupal/Tests/Component/Plugin/Factory/ReflectionFactoryTest.php A stub class used by testGetInstanceArguments().
ArgumentsPluginId class Drupal\Tests\Component\Plugin\Factory core/tests/Drupal/Tests/Component/Plugin/Factory/ReflectionFactoryTest.php A stub class used by testGetInstanceArguments().
ArgumentsResolver class Drupal\Component\Utility core/lib/Drupal/Component/Utility/ArgumentsResolver.php Resolves the arguments to pass to a callable. 3
ArgumentsResolver class Drupal\Component\Utility core/lib/Drupal/Component/Utility/ArgumentsResolver.php Resolves the arguments to pass to a callable. 3
ArgumentsResolverInterface interface Drupal\Component\Utility core/lib/Drupal/Component/Utility/ArgumentsResolverInterface.php Resolves the arguments to pass to a callable. 1 1
ArgumentsResolverInterface interface Drupal\Component\Utility core/lib/Drupal/Component/Utility/ArgumentsResolverInterface.php Resolves the arguments to pass to a callable. 1 1
ArgumentsResolverInterface interface Drupal\Component\Utility core/lib/Drupal/Component/Utility/ArgumentsResolverInterface.php Resolves the arguments to pass to a callable. 1 1

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