Classes, traits, and interfaces in Drupal 8
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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
Name | Type | Namespace | Location | Description | Direct uses | Use statements | Strings |
---|---|---|---|---|---|---|---|
ArgumentDateTimeTest | class |
Drupal\ |
core/ |
Tests the Drupal\datetime\Plugin\views\filter\Date handler. | |||
ArgumentDefaultPluginBase | abstract class |
Drupal\ |
core/ |
The fixed argument default handler; also used as the base. | 8 | 5 | |
ArgumentDefaultTest | class |
Drupal\ |
core/ |
Tests pluggable argument_default for views. | |||
ArgumentDefaultTest | class |
Drupal\ |
core/ |
Tests views user argument default plugin. | |||
ArgumentDefaultTest | class |
Drupal\ |
core/ |
Defines a argument default test plugin. | 1 | ||
ArgumentLanguageTest | class |
Drupal\ |
core/ |
Tests the argument language handler. | |||
ArgumentNullTest | class |
Drupal\ |
core/ |
Tests the core Drupal\views\Plugin\views\argument\NullArgument handler. | |||
ArgumentPlaceholderUpdatePathTest | class |
Drupal\ |
core/ |
Tests the argument placeholder update path. | |||
ArgumentPluginBase | abstract class |
Drupal\ |
core/ |
Base class for argument (contextual filter) handler plugins. | 13 | 9 | |
ArgumentsAllNull | class |
Drupal\ |
core/ |
A stub class used by testGetInstanceArguments(). | |||
ArgumentsConfigArrayKey | class |
Drupal\ |
core/ |
A stub class used by testGetInstanceArguments(). | |||
ArgumentsMany | class |
Drupal\ |
core/ |
A stub class used by testGetInstanceArguments(). | |||
ArgumentsNoConstructor | class |
Drupal\ |
core/ |
A stub class used by testGetInstanceArguments(). | |||
ArgumentsPluginId | class |
Drupal\ |
core/ |
A stub class used by testGetInstanceArguments(). | |||
ArgumentsResolver | class |
Drupal\ |
core/ |
Resolves the arguments to pass to a callable. | 3 | ||
ArgumentsResolverInterface | interface |
Drupal\ |
core/ |
Resolves the arguments to pass to a callable. | 1 | 1 | |
ArgumentsResolverTest | class |
Drupal\ |
core/ |
@coversDefaultClass \Drupal\Component\Utility\ArgumentsResolver @group Access | |||
ArgumentStringTest | class |
Drupal\ |
core/ |
Tests the core Drupal\views\Plugin\views\argument\StringArgument handler. | |||
ArgumentTransformTermTest | class |
Drupal\ |
core/ |
Tests taxonomy term argument transformation. | |||
ArgumentUidRevisionTest | class |
Drupal\ |
core/ |
Tests the argument_node_uid_revision handler. | |||
ArgumentValidateTest | class |
Drupal\ |
core/ |
Tests user argument validators for ID and name. | |||
ArgumentValidatorPluginBase | abstract class |
Drupal\ |
core/ |
Base argument validator plugin to provide basic functionality. | 4 | 1 | |
ArgumentValidatorTermTest | class |
Drupal\ |
core/ |
Tests the plugin of the taxonomy: term argument validator. | |||
ArgumentValidatorTest | class |
Drupal\ |
core/ |
Tests the Argument validator through the UI. | |||
ArgumentValidatorTest | class |
Drupal\ |
core/ |
Tests Views argument validators. | |||
ArgumentValidatorTest | class |
Drupal\ |
core/ |
Defines a argument validator test plugin. | 1 | ||
ArrayBuild | class |
Drupal\ |
core/ |
Builds an array based on the key and value configuration. | 1 | 2 | |
ArrayBuildTest | class |
Drupal\ |
core/ |
@coversDefaultClass \Drupal\migrate\Plugin\migrate\process\ArrayBuild @group migrate | |||
ArrayElement | abstract class |
Drupal\ |
core/ |
Defines a generic configuration element that contains multiple properties. | 2 | 1 | |
AssertBlockAppearsTrait | trait |
Drupal\ |
core/ |
Provides test assertions for testing block appearance. | 2 | ||
AssertBreadcrumbTrait Deprecated | trait |
Drupal\ |
core/ |
Provides test assertions for verifying breadcrumbs. | |||
AssertBreadcrumbTrait | trait |
Drupal\ |
core/ |
Provides test assertions for verifying breadcrumbs. | 4 | ||
AssertButtonsTrait Deprecated | trait |
Drupal\ |
core/ |
Asserts that buttons are present on a page. | |||
AssertButtonsTrait | trait |
Drupal\ |
core/ |
Asserts that buttons are present on a page. | |||
AssertConfigEntityImportTrait Deprecated | trait |
Drupal\ |
core/ |
Provides test assertions for testing config entity synchronization. | |||
AssertConfigEntityImportTrait | trait |
Drupal\ |
core/ |
Provides test assertions for testing config entity synchronization. | 1 | ||
AssertConfigTrait | trait |
Drupal\ |
core/ |
Trait to help with diffing config. | 5 | ||
AssertContentTrait | trait |
Drupal\ |
core/ |
Provides test methods to assert content. | 3 | ||
AssertContentTrait Deprecated | trait |
Drupal\ |
core/ |
Provides test methods to assert content. | |||
AssertContentTraitTest | class |
Drupal\ |
core/ |
@coversDefaultClass \Drupal\KernelTests\AssertContentTrait @group Test | |||
AssertHelperTestClass | class |
Drupal\ |
core/ |
||||
AssertHelperTrait | trait |
Drupal\ |
core/ |
Provides helper methods for assertions. | 9 | ||
AssertHelperTrait Deprecated | trait |
Drupal\ |
core/ |
Provides helper methods for assertions. | |||
AssertHelperTraitTest | class |
Drupal\ |
core/ |
@coversDefaultClass \Drupal\Tests\AssertHelperTrait @group simpletest @group Tests | |||
AssertLegacyTrait | trait |
Drupal\ |
core/ |
Provides convenience methods for assertions in browser tests. | 2 | ||
AssertLegacyTrait | trait |
Drupal\ |
core/ |
Translates Simpletest assertion methods to PHPUnit. | 2 | ||
AssertLegacyTraitDeprecatedTest | class |
Drupal\ |
core/ |
Tests deprecated AssertLegacyTrait functionality. | |||
AssertLegacyTraitTest | class |
Drupal\ |
core/ |
@coversDefaultClass \Drupal\FunctionalTests\AssertLegacyTrait @group Assert @group legacy | |||
AssertMailTrait | trait |
Drupal\ |
core/ |
Provides methods for testing emails sent during test runs. | 16 | ||
AssertMailTraitTest | class |
Drupal\ |
core/ |
Tests \Drupal\Core\Test\AssertMailTrait works. |