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Classes, traits, and interfaces in Drupal 10

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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

Namesort descending Type Namespace Location Description Direct uses Use statements Strings
BlockContentTypeForm class Drupal\block_content core/modules/block_content/src/BlockContentTypeForm.php The block content type entity form.
BlockContentTypeInterface interface Drupal\block_content core/modules/block_content/src/BlockContentTypeInterface.php Provides an interface defining a custom block type entity. 1 3
BlockContentTypeJsonAnonTest class Drupal\Tests\block_content\Functional\Rest core/modules/block_content/tests/src/Functional/Rest/BlockContentTypeJsonAnonTest.php @group rest
BlockContentTypeJsonBasicAuthTest class Drupal\Tests\block_content\Functional\Rest core/modules/block_content/tests/src/Functional/Rest/BlockContentTypeJsonBasicAuthTest.php @group rest
BlockContentTypeJsonCookieTest class Drupal\Tests\block_content\Functional\Rest core/modules/block_content/tests/src/Functional/Rest/BlockContentTypeJsonCookieTest.php @group rest
BlockContentTypeListBuilder class Drupal\block_content core/modules/block_content/src/BlockContentTypeListBuilder.php Defines a class to build a listing of custom block type entities.
BlockContentTypeResourceTestBase abstract class Drupal\Tests\block_content\Functional\Rest core/modules/block_content/tests/src/Functional/Rest/BlockContentTypeResourceTestBase.php 6
BlockContentTypeTest class Drupal\Tests\jsonapi\Functional core/modules/jsonapi/tests/src/Functional/BlockContentTypeTest.php JSON:API integration test for the "BlockContentType" config entity type.
BlockContentTypeTest class Drupal\Tests\block_content\Functional core/modules/block_content/tests/src/Functional/BlockContentTypeTest.php Ensures that custom block type functions work correctly.
BlockContentTypeXmlAnonTest class Drupal\Tests\block_content\Functional\Rest core/modules/block_content/tests/src/Functional/Rest/BlockContentTypeXmlAnonTest.php @group rest
BlockContentTypeXmlBasicAuthTest class Drupal\Tests\block_content\Functional\Rest core/modules/block_content/tests/src/Functional/Rest/BlockContentTypeXmlBasicAuthTest.php @group rest
BlockContentTypeXmlCookieTest class Drupal\Tests\block_content\Functional\Rest core/modules/block_content/tests/src/Functional/Rest/BlockContentTypeXmlCookieTest.php @group rest
BlockContentUuidLookup class Drupal\block_content core/modules/block_content/src/BlockContentUuidLookup.php A cache collector that caches IDs for block_content UUIDs. 1 2
BlockContentValidationTest class Drupal\Tests\block_content\Functional core/modules/block_content/tests/src/Functional/BlockContentValidationTest.php Tests block content validation constraints.
BlockContentViewBuilder class Drupal\block_content core/modules/block_content/src/BlockContentViewBuilder.php View builder handler for custom blocks.
BlockContentViewsData class Drupal\block_content core/modules/block_content/src/BlockContentViewsData.php Provides the views data for the block_content entity type.
BlockContentWizardTest class Drupal\Tests\block_content\Functional\Views core/modules/block_content/tests/src/Functional/Views/BlockContentWizardTest.php Tests block_content wizard and generic entity integration.
BlockContentXmlAnonTest class Drupal\Tests\block_content\Functional\Rest core/modules/block_content/tests/src/Functional/Rest/BlockContentXmlAnonTest.php @group rest
BlockContentXmlBasicAuthTest class Drupal\Tests\block_content\Functional\Rest core/modules/block_content/tests/src/Functional/Rest/BlockContentXmlBasicAuthTest.php @group rest
BlockContentXmlCookieTest class Drupal\Tests\block_content\Functional\Rest core/modules/block_content/tests/src/Functional/Rest/BlockContentXmlCookieTest.php @group rest
BlockContextualLinksTest class Drupal\Tests\block\FunctionalJavascript core/modules/block/tests/src/FunctionalJavascript/BlockContextualLinksTest.php Tests the contextual links added while rendering the block.
BlockController class Drupal\block\Controller core/modules/block/src/Controller/BlockController.php Controller routines for admin block routes.
BlockCreationTrait trait Drupal\Tests\block\Traits core/modules/block/tests/src/Traits/BlockCreationTrait.php Provides methods to create and place block with default settings. 9
BlockCustom class Drupal\block_content\Plugin\migrate\source\d7 core/modules/block_content/src/Plugin/migrate/source/d7/BlockCustom.php Drupal 7 custom block source from database.
BlockCustomTest class Drupal\Tests\block_content\Kernel\Plugin\migrate\source\d7 core/modules/block_content/tests/src/Kernel/Plugin/migrate/source/d7/BlockCustomTest.php Tests d7_block_custom source plugin.
BlockCustomTranslation class Drupal\block_content\Plugin\migrate\source\d7 core/modules/block_content/src/Plugin/migrate/source/d7/BlockCustomTranslation.php Drupal 7 i18n custom block translations source from database. 1 1
BlockCustomTranslationTest class Drupal\Tests\block_content\Kernel\Plugin\migrate\source\d7 core/modules/block_content/tests/src/Kernel/Plugin/migrate/source/d7/BlockCustomTranslationTest.php Tests i18n custom block translations source plugin.
BlockDeleteForm class Drupal\block\Form core/modules/block/src/Form/BlockDeleteForm.php Provides a deletion confirmation form for the block instance deletion form.
BlockDemoTest class Drupal\Tests\block\Functional core/modules/block/tests/src/Functional/BlockDemoTest.php Tests the block demo page with admin themes.
BlockDependenciesTest class Drupal\Tests\views\Kernel\Plugin core/modules/views/tests/src/Kernel/Plugin/BlockDependenciesTest.php Tests views block config dependencies functionality.
BlockedIp class Drupal\ban\Plugin\migrate\destination core/modules/ban/src/Plugin/migrate/destination/BlockedIp.php Destination for blocked IP addresses. 1
BlockedIps class Drupal\ban\Plugin\migrate\source\d7 core/modules/ban/src/Plugin/migrate/source/d7/BlockedIps.php Drupal 7 blocked IPs source from database.
BlockedIpsTest class Drupal\Tests\ban\Kernel\Plugin\migrate\source\d7 core/modules/ban/tests/src/Kernel/Plugin/migrate/source/d7/BlockedIpsTest.php Tests D7 blocked_ip source plugin.
BlockEntitySettingTrayForm class Drupal\settings_tray\Block core/modules/settings_tray/src/Block/BlockEntitySettingTrayForm.php Provides form for block instance forms when used in the off-canvas dialog. 1
BlockExposedFilterAJAXTest class Drupal\Tests\views\FunctionalJavascript core/modules/views/tests/src/FunctionalJavascript/BlockExposedFilterAJAXTest.php Tests the exposed filter ajax functionality in a block.
BlockFilterTest class Drupal\Tests\block\FunctionalJavascript core/modules/block/tests/src/FunctionalJavascript/BlockFilterTest.php Tests the JavaScript functionality of the block add filter. 1 1
BlockFilterTest class Drupal\Tests\layout_builder\FunctionalJavascript core/modules/layout_builder/tests/src/FunctionalJavascript/BlockFilterTest.php Tests the JavaScript functionality of the block add filter.
BlockForm class Drupal\block core/modules/block/src/BlockForm.php Provides form for block instance forms. 1 2
BlockFormInBlockTest class Drupal\Tests\block\Functional core/modules/block/tests/src/Functional/BlockFormInBlockTest.php Tests form in block caching.
BlockFormMessagesTest class Drupal\Tests\layout_builder\FunctionalJavascript core/modules/layout_builder/tests/src/FunctionalJavascript/BlockFormMessagesTest.php Tests that messages appear in the off-canvas dialog with configuring blocks.
BlockFormTest class Drupal\Tests\block\Unit core/modules/block/tests/src/Unit/BlockFormTest.php @coversDefaultClass \Drupal\block\BlockForm @group block
BlockHasOverridesAccessCheck class Drupal\settings_tray\Access core/modules/settings_tray/src/Access/BlockHasOverridesAccessCheck.php Determines whether the requested block has a 'settings_tray' form. 2
BlockHiddenRegionTest class Drupal\Tests\block\Functional core/modules/block/tests/src/Functional/BlockHiddenRegionTest.php Tests that a newly installed theme does not inherit blocks to its hidden regions.
BlockHookOperationTest class Drupal\Tests\block\Functional core/modules/block/tests/src/Functional/BlockHookOperationTest.php Tests for Block module regarding hook_entity_operations_alter().
BlockHtmlTest class Drupal\Tests\block\Functional core/modules/block/tests/src/Functional/BlockHtmlTest.php Tests block HTML ID validity.
BlockInstallTest class Drupal\Tests\block\Functional core/modules/block/tests/src/Functional/BlockInstallTest.php Tests block module's installation.
BlockInterestCohortTest class Drupal\KernelTests\Core\Http core/tests/Drupal/KernelTests/Core/Http/BlockInterestCohortTest.php Tests the Permissions-Policy header added by FinishResponseSubscriber.
BlockInterface interface Drupal\block core/modules/block/src/BlockInterface.php Provides an interface defining a block entity. 1 7
BlockInterfaceTest class Drupal\Tests\block\Kernel core/modules/block/tests/src/Kernel/BlockInterfaceTest.php Tests that the block plugin can work properly without a supporting entity.
BlockInvalidRegionTest class Drupal\Tests\block\Functional core/modules/block/tests/src/Functional/BlockInvalidRegionTest.php Tests that an active block assigned to a non-existing region triggers the warning message and is disabled.

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