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
Connection class Drupal\Driver\Database\CoreFake core/tests/fixtures/database_drivers/custom/CoreFake/Connection.php A test implementation of \Drupal\Core\Database\Connection.
Connection class Drupal\Driver\Database\fake core/tests/fixtures/database_drivers/custom/fake/Connection.php A fake Connection class for testing purposes. 3 3
Connection class Drupal\pgsql\Driver\Database\pgsql core/modules/pgsql/src/Driver/Database/pgsql/Connection.php PostgreSQL implementation of \Drupal\Core\Database\Connection. 1 1
Connection class Drupal\mysql\Driver\Database\mysql core/modules/mysql/src/Driver/Database/mysql/Connection.php MySQL implementation of \Drupal\Core\Database\Connection. 4 8
Connection class Drupal\sqlite\Driver\Database\sqlite core/modules/sqlite/src/Driver/Database/sqlite/Connection.php SQLite implementation of \Drupal\Core\Database\Connection. 7
ConnectionFailureTest class Drupal\Tests\dblog\Kernel core/modules/dblog/tests/src/Kernel/ConnectionFailureTest.php Tests logging of connection failures.
ConnectionNotDefinedException class Drupal\Core\Database core/lib/Drupal/Core/Database/ConnectionNotDefinedException.php Exception thrown if an undefined database connection is requested. 8
ConnectionTest class Drupal\Tests\sqlite\Unit core/modules/sqlite/tests/src/Unit/ConnectionTest.php Tests Drupal\sqlite\Driver\Database\sqlite\Connection.
ConnectionTest class Drupal\Tests\mysql\Unit core/modules/mysql/tests/src/Unit/ConnectionTest.php Tests MySQL database connections.
ConnectionTest class Drupal\Tests\mysql\Kernel\mysql core/modules/mysql/tests/src/Kernel/mysql/ConnectionTest.php MySQL-specific connection tests. 1 1
ConnectionTest class Drupal\Tests\Core\Database core/tests/Drupal/Tests/Core/Database/ConnectionTest.php Tests the Connection class.
ConnectionTest class Drupal\Tests\mysqli\Kernel\mysqli core/modules/mysqli/tests/src/Kernel/mysqli/ConnectionTest.php MySQL-specific connection tests.
ConnectionTest class Drupal\KernelTests\Core\Database core/tests/Drupal/KernelTests/Core/Database/ConnectionTest.php Tests of the core database system.
ConnectionUnitTest class Drupal\Tests\mysqli\Kernel\mysqli core/modules/mysqli/tests/src/Kernel/mysqli/ConnectionUnitTest.php MySQL-specific connection unit tests.
ConnectionUnitTest class Drupal\Tests\pgsql\Kernel\pgsql core/modules/pgsql/tests/src/Kernel/pgsql/ConnectionUnitTest.php PostgreSQL-specific connection unit tests.
ConnectionUnitTest class Drupal\Tests\mysql\Kernel\mysql core/modules/mysql/tests/src/Kernel/mysql/ConnectionUnitTest.php MySQL-specific connection unit tests. 1 1
ConsoleCompilerPass class Drupal\Core\DependencyInjection\Compiler core/lib/Drupal/Core/DependencyInjection/Compiler/ConsoleCompilerPass.php Compiler pass for console commands registered via #[AsCommand] attributes. 2
ConsoleExampleCommand class Drupal\console_test\Command core/modules/system/tests/modules/console_test/src/Command/ConsoleExampleCommand.php An example command. 1
ConsoleExampleConfigureCommand class Drupal\console_test\Command core/modules/system/tests/modules/console_test/src/Command/ConsoleExampleConfigureCommand.php An example command using configure() instead of the AsCommand attribute. 1
ConsoleExamplePrivateCommand class Drupal\console_test\Command core/modules/system/tests/modules/console_test/src/Command/ConsoleExamplePrivateCommand.php An example private command. 1
ConsoleInputCollector final class Drupal\Core\Recipe core/lib/Drupal/Core/Recipe/ConsoleInputCollector.php Collects input values for recipes from the command line. 2
ConsoleSubExampleCommand class Drupal\console_test\Command\Sub core/modules/system/tests/modules/console_test/src/Command/Sub/ConsoleSubExampleCommand.php An example command in a subdirectory.
ConsoleSubscriber class Drupal\Core\Command\EventSubscriber core/lib/Drupal/Core/Command/EventSubscriber/ConsoleSubscriber.php Set a logger so that log messages appear in console output.
ConsoleTest class Drupal\KernelTests\Core\Console core/tests/Drupal/KernelTests/Core/Console/ConsoleTest.php Tests integration with Symfony Console.
Constraint class Drupal\Core\Validation\Attribute core/lib/Drupal/Core/Validation/Attribute/Constraint.php Defines a Constraint attribute object. 104
Constraint class Drupal\Core\Validation\Annotation core/lib/Drupal/Core/Validation/Annotation/Constraint.php Defines a validation constraint annotation object.
Constraint class Drupal\Component\Version core/lib/Drupal/Component/Version/Constraint.php A value object representing a Drupal version constraint. 3
ConstraintFactory class Drupal\Core\Validation core/lib/Drupal/Core/Validation/ConstraintFactory.php Constraint plugin factory. 1
ConstraintFactoryTest class Drupal\KernelTests\Core\Validation core/tests/Drupal/KernelTests/Core/Validation/ConstraintFactoryTest.php Tests Drupal\Core\Validation\ConstraintFactory.
ConstraintManager class Drupal\Core\Validation core/lib/Drupal/Core/Validation/ConstraintManager.php Constraint plugin manager. 9 2
ConstraintTest class Drupal\Tests\Component\Version core/tests/Drupal/Tests/Component/Version/ConstraintTest.php Tests Drupal\Component\Version\Constraint.
ConstraintValidatorFactory class Drupal\Core\Validation core/lib/Drupal/Core/Validation/ConstraintValidatorFactory.php Defines a constraint validator factory that works with container injection. 3
ConstraintViolationBuilder class Drupal\Core\Validation core/lib/Drupal/Core/Validation/ConstraintViolationBuilder.php A constraint violation builder for the basic Symfony validator.
ContactCategory class Drupal\contact\Plugin\migrate\source core/modules/contact/src/Plugin/migrate/source/ContactCategory.php Drupal 6/7 contact category source from database. 1
ContactCategoryTest class Drupal\Tests\contact\Kernel\Plugin\migrate\source core/modules/contact/tests/src/Kernel/Plugin/migrate/source/ContactCategoryTest.php Tests D6 contact category source plugin.
ContactController class Drupal\contact\Controller core/modules/contact/src/Controller/ContactController.php Controller routines for contact routes.
ContactFieldsTest class Drupal\Tests\contact\Kernel\Views core/modules/contact/tests/src/Kernel/Views/ContactFieldsTest.php Tests that no storage is created for the contact_message entity.
ContactForm class Drupal\contact\Entity core/modules/contact/src/Entity/ContactForm.php Defines the contact form entity. 10
ContactFormAccessControlHandler class Drupal\contact core/modules/contact/src/ContactFormAccessControlHandler.php Defines the access control handler for the contact form entity type. 1
ContactFormEditForm class Drupal\contact core/modules/contact/src/ContactFormEditForm.php Base form for contact form edit forms. 1
ContactFormHooks class Drupal\contact\Hook core/modules/contact/src/Hook/ContactFormHooks.php Form hook implementations for Contact module. 1
ContactFormInterface interface Drupal\contact core/modules/contact/src/ContactFormInterface.php Provides an interface defining a contact form entity. 1 5
ContactFormJsonAnonTest class Drupal\Tests\contact\Functional\Rest core/modules/contact/tests/src/Functional/Rest/ContactFormJsonAnonTest.php Tests Contact Form Json Anon.
ContactFormJsonBasicAuthTest class Drupal\Tests\contact\Functional\Rest core/modules/contact/tests/src/Functional/Rest/ContactFormJsonBasicAuthTest.php Tests Contact Form Json Basic Auth.
ContactFormJsonCookieTest class Drupal\Tests\contact\Functional\Rest core/modules/contact/tests/src/Functional/Rest/ContactFormJsonCookieTest.php Tests Contact Form Json Cookie.
ContactFormListBuilder class Drupal\contact core/modules/contact/src/ContactFormListBuilder.php Defines a class to build a listing of contact form entities. 1
ContactFormResourceTestBase abstract class Drupal\Tests\contact\Functional\Rest core/modules/contact/tests/src/Functional/Rest/ContactFormResourceTestBase.php Resource test base for the ContactForm entity. 6
ContactFormTest class Drupal\Tests\contact\Functional\Jsonapi core/modules/contact/tests/src/Functional/Jsonapi/ContactFormTest.php JSON:API integration test for the "ContactForm" config entity type.
ContactFormValidationTest class Drupal\Tests\contact\Kernel core/modules/contact/tests/src/Kernel/ContactFormValidationTest.php Tests validation of contact_form entities.
ContactFormXmlAnonTest class Drupal\Tests\contact\Functional\Rest core/modules/contact/tests/src/Functional/Rest/ContactFormXmlAnonTest.php Tests Contact Form Xml Anon.

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