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
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core/
core.api.php, line 1529
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| AjaxTestImageEffect | class | Drupal\image_module_test\Plugin\ImageEffect | core/ |
Provides a test effect using Ajax in the configuration form. | ||||
| AjaxTestMessageCommandForm | class | Drupal\ajax_test\Form | core/ |
Form for testing AJAX MessageCommand. | 1 | |||
| AjaxWaitTest | class | Drupal\FunctionalJavascriptTests | core/ |
Tests that unnecessary or untracked XHRs will cause a test failure. | ||||
| AlertCommand | class | Drupal\Core\Ajax | core/ |
AJAX command for a javascript alert box. | 5 | |||
| AlertsJsonFeedTest | class | Drupal\Tests\announcements_feed\Functional | core/ |
Test the access announcement according to json feed changes. | ||||
| AlertsJsonFeedTest | class | Drupal\Tests\announcements_feed\FunctionalJavascript | core/ |
Test the access announcement according to json feed changes. | ||||
| AliasingResourceTypeRepository | class | Drupal\jsonapi_test_field_aliasing\ResourceType | core/ |
Provides a repository of resource types with field names that can be aliased. | 2 | |||
| AliasManager | class | Drupal\path_alias | core/ |
The default alias manager implementation. | 4 | 2 | ||
| AliasManagerInterface | interface | Drupal\path_alias | core/ |
Find an alias for a path and vice versa. | 2 | 10 | ||
| AliasManagerTest | class | Drupal\Tests\path_alias\Unit | core/ |
Tests Drupal\path_alias\AliasManager. | ||||
| AliasPathMatcher | class | Drupal\path_alias | core/ |
Extends the default path matcher to check aliases. | ||||
| AliasPathProcessor | class | Drupal\path_alias\PathProcessor | core/ |
Processes the inbound and outbound path using path alias lookups. | 3 | 2 | ||
| AliasPathProcessorTest | class | Drupal\Tests\path_alias\Unit\PathProcessor | core/ |
Tests Drupal\path_alias\PathProcessor\AliasPathProcessor. | ||||
| AliasPrefixList | class | Drupal\path_alias | core/ |
Cache a list of valid alias prefixes. | 1 | 1 | 2 | |
| AliasPrefixListInterface | interface | Drupal\path_alias | core/ |
Cache a list of valid alias prefixes. | 2 | 1 | ||
| AliasRepository | class | Drupal\path_alias | core/ |
Provides the default path alias lookup operations. | 1 | 2 | 2 | |
| AliasRepositoryInterface | interface | Drupal\path_alias | core/ |
Provides an interface for path alias lookup operations. | 1 | 1 | ||
| AliasTest | class | Drupal\Tests\path_alias\Kernel | core/ |
Tests path alias CRUD and lookup functionality. | ||||
| AliasWhitelist | in drupal:11.1.0 and is removed from drupal:12.0.0. Use \Drupal\path_alias\AliasPrefixList instead. |
class | Drupal\path_alias | core/ |
Cache a list of valid alias prefixes. | |||
| AliasWhitelistInterface | in drupal:11.1.0 and is removed from drupal:12.0.0. Use \Drupal\path_alias\AliasPrefixListInterface instead. |
interface | Drupal\path_alias | core/ |
Cache a list of valid alias prefixes. | |||
| Alignment | class | Drupal\ckeditor5\Plugin\CKEditor5Plugin | core/ |
CKEditor 5 Alignment plugin. | 1 | 1 | ||
| AlignmentPluginTest | class | Drupal\Tests\ckeditor5\Unit | core/ |
Tests Drupal\ckeditor5\Plugin\CKEditor5Plugin\Alignment. | ||||
| AllExceptHostEntity | class | Drupal\entity_reference_test\Plugin\EntityReferenceSelection | core/ |
Allows access to all entities except for the host entity. | ||||
| AllowDirectWrite | final class | Drupal\package_manager\Attribute | core/ |
Identifies sandbox managers which can operate on the running code base. | 3 | |||
| AllowedPackages | class | Drupal\Composer\Plugin\Scaffold | composer/ |
Determine recursively which packages have been allowed to scaffold files. | ||||
| AllowedScaffoldPackagesValidator | final class | Drupal\package_manager\Validator | core/ |
Validates the list of packages that are allowed to scaffold files. | 1 | |||
| AllowedScaffoldPackagesValidatorTest | class | Drupal\Tests\package_manager\Kernel | core/ |
Tests Allowed Scaffold Packages Validator. | ||||
| AllowedValuesConstraint | class | Drupal\Core\Validation\Plugin\Validation\Constraint | core/ |
Checks for the value being allowed. | 1 | |||
| AllowedValuesConstraintValidator | class | Drupal\Core\Validation\Plugin\Validation\Constraint | core/ |
Validates the AllowedValues constraint. | ||||
| AllowedValuesConstraintValidatorTest | class | Drupal\KernelTests\Core\TypedData | core/ |
Tests AllowedValues validation constraint with both valid and invalid values. | ||||
| AllowListConfigStorage | final class | Drupal\Core\Recipe | core/ |
A read-only storage wrapper that only allows access to certain config names. | ||||
| AllowToolbarPath | class | Drupal\toolbar\PageCache | core/ |
Cache policy for the toolbar page cache service. | 1 | 2 | ||
| AllowToolbarPathTest | class | Drupal\Tests\toolbar\Unit\PageCache | core/ |
Tests Drupal\toolbar\PageCache\AllowToolbarPath. | ||||
| AlreadyInstalledException | class | Drupal\Core\Installer\Exception | core/ |
Exception thrown if Drupal is installed already. | 1 | |||
| AlterableInterface | interface | Drupal\Core\Database\Query | core/ |
Interface for a query that can be manipulated via an alter hook. | 2 | 15 | ||
| AlterContentMiddleware | final class | Drupal\http_middleware_test\StackMiddleware | core/ |
Alters the response before content length is calculated. | 2 | |||
| AlterTest | class | Drupal\Tests\system\Kernel\Common | core/ |
Tests alteration of arguments passed to \Drupal::moduleHandler->alter(). | ||||
| AlterTest | class | Drupal\Tests\system\Functional\Form | core/ |
Tests hook_form_alter() and hook_form_FORM_ID_alter(). | ||||
| AlterTest | class | Drupal\KernelTests\Core\Database | core/ |
Tests the hook_query_alter capabilities of the Select builder. | ||||
| AltTextContainsLlamasConstraint | final class | Drupal\image_field_property_constraint_validation\Plugin\Validation\Constraint | core/ |
Provides a Contains Llamas constraint. | ||||
| AltTextContainsLlamasConstraintValidator | final class | Drupal\image_field_property_constraint_validation\Plugin\Validation\Constraint | core/ |
Validates the alt text contains llamas. | ||||
| AlwaysAddsAccessPolicy | class | Drupal\Tests\Core\Session | core/ |
A test access policy that adds a permission. | ||||
| AlwaysAltersAccessPolicy | class | Drupal\Tests\Core\Session | core/ |
A test access policy that alters an existing policy. | ||||
| AmbiguousBundleClassException | class | Drupal\Core\Entity\Exception | core/ |
Exception thrown if a bundle class is defined for multiple bundles. | 3 | |||
| AmbiguousEntityClassException | class | Drupal\Core\Entity\Exception | core/ |
Exception thrown if multiple entity types exist for an entity class. | 1 | 2 | ||
| AMissingTargetAlter | class | Drupal\aaa_hook_order_test\Hook | core/ |
Provides hook implementations for testing the alteration of hooks. | 2 | |||
| AMissingTargetHooks | class | Drupal\aaa_hook_order_test\Hook | core/ |
Contains hook implementations. | 2 | |||
| Analyze | class | Drupal\views_ui\Form\Ajax | core/ |
Displays analysis information for a view. | ||||
| Analyzer | class | Drupal\views | core/ |
View analyzer plugin manager. | 4 | 2 | ||
| AnalyzeTest | class | Drupal\Tests\views_ui\Functional | core/ |
Tests the views analyze system. |
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