Classes, traits, and interfaces - 10.3.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
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core/
core.api.php, line 1518
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| BookNavigationBlock | class | Drupal\book\Plugin\Block | core/ |
Provides a 'Book navigation' block. | ||||
| BookNavigationCacheContext | class | Drupal\book\Cache | core/ |
Defines the book navigation cache context service. | 2 | |||
| BookNodeIsRemovableAccessCheck | class | Drupal\book\Access | core/ |
Determines whether the requested node can be removed from its book. | 2 | |||
| BookOutline | class | Drupal\book | core/ |
Provides handling to render the book outline. | 2 | |||
| BookOutlineConstraint | class | Drupal\book\Plugin\Validation\Constraint | core/ |
Validation constraint for changing the book outline in pending revisions. | ||||
| BookOutlineConstraintValidator | class | Drupal\book\Plugin\Validation\Constraint | core/ |
Constraint validator for changing the book outline in pending revisions. | ||||
| BookOutlineForm | class | Drupal\book\Form | core/ |
Displays the book outline form. | ||||
| BookOutlineStorage | class | Drupal\book | core/ |
Defines a storage class for books outline. | 2 | |||
| BookOutlineStorageInterface | interface | Drupal\book | core/ |
Defines a common interface for book outline storage classes. | 1 | |||
| BookPendingRevisionTest | class | Drupal\Tests\book\Kernel | core/ |
Tests that the Book module handles pending revisions correctly. | ||||
| BookRelationshipTest | class | Drupal\Tests\book\Functional\Views | core/ |
Tests entity reference relationship data. | ||||
| BookRemoveForm | class | Drupal\book\Form | core/ |
Remove form for book module. | 1 | |||
| BookSettingsForm | class | Drupal\book\Form | core/ |
Configure book settings for this site. | 1 | 1 | ||
| BookSettingsFormTest | class | Drupal\Tests\book\Kernel | core/ |
@covers \Drupal\book\Form\BookSettingsForm @group book @group legacy | ||||
| BookTest | class | Drupal\Tests\book\Kernel\Plugin\migrate\source | core/ |
@covers \Drupal\book\Plugin\migrate\source\Book @group book @group legacy | ||||
| BookTest | class | Drupal\Tests\book\Functional | core/ |
Create a book, add pages, and test book interface. | ||||
| BookTestTrait | trait | Drupal\Tests\book\Functional | core/ |
Provides common functionality for Book test classes. | ||||
| BookUninstallTest | class | Drupal\Tests\book\Kernel | core/ |
Tests that the Book module cannot be uninstalled if books exist. | ||||
| BookUninstallValidator | class | Drupal\book\ProxyClass | core/ |
Provides a proxy class for \Drupal\book\BookUninstallValidator. | ||||
| BookUninstallValidator | class | Drupal\book | core/ |
Prevents book module from being uninstalled under certain conditions. | 2 | |||
| BookUninstallValidatorTest | class | Drupal\Tests\book\Unit | core/ |
@coversDefaultClass \Drupal\book\BookUninstallValidator @group book @group legacy | ||||
| Boolean | class | Drupal\views\Plugin\views\field | core/ |
A handler to provide proper displays for booleans. | ||||
| BooleanCheckboxWidget | class | Drupal\Core\Field\Plugin\Field\FieldWidget | core/ |
Plugin implementation of the 'boolean_checkbox' widget. | ||||
| BooleanData | class | Drupal\Core\TypedData\Plugin\DataType | core/ |
The boolean data type. | 4 | 1 | ||
| BooleanFieldTest | class | Drupal\Tests\field\Functional\Boolean | core/ |
Tests boolean field functionality. | ||||
| BooleanFormatter | class | Drupal\Core\Field\Plugin\Field\FieldFormatter | core/ |
Plugin implementation of the 'boolean' formatter. | ||||
| BooleanFormatterSettingsTest | class | Drupal\Tests\field\FunctionalJavascript\Boolean | core/ |
Tests the Boolean field formatter settings. | ||||
| BooleanFormatterSettingsTest | class | Drupal\Tests\field\Functional\Boolean | core/ |
Tests the Boolean field formatter settings. | ||||
| BooleanFormatterTest | class | Drupal\Tests\field\Kernel\Boolean | core/ |
Tests the boolean formatter. | ||||
| BooleanInterface | interface | Drupal\Core\TypedData\Type | core/ |
Interface for boolean data. | 1 | 4 | ||
| BooleanItem | class | Drupal\Core\Field\Plugin\Field\FieldType | core/ |
Defines the 'boolean' entity field type. | 1 | 6 | ||
| BooleanItemNormalizer | class | Drupal\test_fieldtype_boolean_emoji_normalizer\Normalizer | core/ |
Normalizes boolean fields weirdly: renders them as 👍 (TRUE) or 👎 (FALSE). | 2 | |||
| BooleanItemTest | class | Drupal\Tests\field\Kernel\Boolean | core/ |
Tests the new entity API for the boolean field type. | ||||
| BooleanNormalizer | class | Drupal\test_datatype_boolean_emoji_normalizer\Normalizer | core/ |
Normalizes boolean data weirdly: renders them as 👍 (TRUE) or 👎 (FALSE). | 2 | |||
| BooleanOperator | class | Drupal\views\Plugin\views\filter | core/ |
Simple filter to handle matching of boolean values. | 3 | 2 | ||
| BooleanOperatorString | class | Drupal\views\Plugin\views\filter | core/ |
Simple filter to handle matching of boolean values. | ||||
| BootstrapConfigStorageFactory | class | Drupal\Core\Config | core/ |
Defines a factory for retrieving the config storage used pre-kernel. | 2 | |||
| Box | class | Drupal\block_content\Plugin\migrate\source\d6 | core/ |
Drupal 6 block source from database. | ||||
| BoxTest | class | Drupal\Tests\block_content\Kernel\Plugin\migrate\source\d6 | core/ |
Tests D6 block boxes source plugin. | ||||
| BoxTranslation | class | Drupal\block_content\Plugin\migrate\source\d6 | core/ |
Drupal 6 i18n content block translations source from database. | ||||
| BoxTranslationTest | class | Drupal\Tests\block_content\Kernel\Plugin\migrate\source\d6 | core/ |
Tests i18n content block translations source plugin. | ||||
| Breadcrumb | class | Drupal\Core\Breadcrumb | core/ |
Used to return generated breadcrumbs with associated cacheability metadata. | 12 | |||
| Breadcrumb404Test | class | Drupal\FunctionalTests\Breadcrumb | core/ |
Tests the breadcrumb of 404 pages. | ||||
| BreadcrumbBuilderInterface | interface | Drupal\Core\Breadcrumb | core/ |
Defines an interface for classes that build breadcrumbs. | 7 | 7 | ||
| BreadcrumbFrontCacheContextsTest | class | Drupal\Tests\system\Functional\Menu | core/ |
Tests breadcrumbs functionality. | ||||
| BreadcrumbManager | class | Drupal\Core\Breadcrumb | core/ |
Provides a breadcrumb manager. | 1 | 2 | ||
| BreadcrumbManagerTest | class | Drupal\Tests\Core\Breadcrumb | core/ |
@coversDefaultClass \Drupal\Core\Breadcrumb\BreadcrumbManager @group Breadcrumb | ||||
| BreadcrumbTest | class | Drupal\Tests\Core\Breadcrumb | core/ |
@coversDefaultClass \Drupal\Core\Breadcrumb\Breadcrumb @group Breadcrumb | ||||
| BreadcrumbTest | class | Drupal\Tests\system\Functional\Menu | core/ |
Tests breadcrumbs functionality. | ||||
| BreakLockForm | class | Drupal\views_ui\Form | core/ |
Builds the form to break the lock of an edited view. |
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