Classes, traits, and interfaces - 8.9.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
-
core/
core.api.php, line 1511
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| DateTimeItemInterface | interface | Drupal\datetime\Plugin\Field\FieldType | core/ |
Interface definition for Datetime items. | 1 | 18 | ||
| DateTimeItemTest | class | Drupal\Tests\datetime\Kernel | core/ |
Tests the new entity API for the date field type. | ||||
| DateTimeNormalizer | class | Drupal\serialization\Normalizer | core/ |
Converts values for datetime objects to RFC3339 and from common formats. | 2 | 1 | ||
| DateTimeNormalizerTest | class | Drupal\Tests\serialization\Unit\Normalizer | core/ |
Unit test coverage for @DataTypes implementing DateTimeInterface. | ||||
| DateTimeNormalizerTestDrupalDateTime | class | Drupal\Tests\serialization\Unit\Normalizer | core/ |
Note: Prophecy does not support magic methods. By subclassing and specifying an explicit method, Prophecy works. | ||||
| DateTimePlainFormatter | class | Drupal\datetime\Plugin\Field\FieldFormatter | core/ |
Plugin implementation of the 'Plain' formatter for 'datetime' fields. | 1 | 1 | ||
| DateTimePlus | class | Drupal\Component\Datetime | core/ |
Wraps DateTime(). | 1 | 10 | ||
| DateTimePlusTest | class | Drupal\Tests\Component\Datetime | core/ |
@coversDefaultClass \Drupal\Component\Datetime\DateTimePlus @group Datetime | ||||
| DateTimeRangeTrait | trait | Drupal\datetime_range | core/ |
Provides friendly methods for datetime range. | 3 | |||
| DatetimeRangeViewUpdateTest | class | Drupal\Tests\datetime_range\Functional\Update | core/ |
Test update of views with datetime_range filters. | ||||
| DateTimeSchemaTest | class | Drupal\Tests\datetime\Kernel\Views | core/ |
Tests the Drupal\datetime\Plugin\views schemas. | ||||
| DateTimeTest | class | Drupal\Tests\system\Functional\System | core/ |
Configure date and time settings. Test date formatting and time zone handling, including daylight saving time. | ||||
| DateTimeTimeAgoFormatter | class | Drupal\datetime\Plugin\Field\FieldFormatter | core/ |
Plugin implementation of the 'Time ago' formatter for 'datetime' fields. | ||||
| DateTimeTimeAgoFormatterTest | class | Drupal\Tests\datetime\Functional | core/ |
Tests the functionality of DateTimeTimeAgoFormatter field formatter. | ||||
| DateTimeWidgetBase | class | Drupal\datetime\Plugin\Field\FieldWidget | core/ |
Base class for the 'datetime_*' widgets. | 3 | 1 | ||
| DayDate | class | Drupal\datetime\Plugin\views\argument | core/ |
Argument handler for a day. | ||||
| DayDate | class | Drupal\views\Plugin\views\argument | core/ |
Argument handler for a day (DD) | ||||
| DbCommandBase | class | Drupal\Core\Command | core/ |
Base command that abstracts handling of database connection arguments. | 3 | 1 | ||
| DbCommandBaseTest | class | Drupal\Tests\system\Kernel\Scripts | core/ |
Test that the DbToolsApplication works correctly. | ||||
| DbCommandBaseTester | class | Drupal\Tests\system\Kernel\Scripts | core/ |
Concrete command implementation for testing base features. | ||||
| DbDumpApplication | class | Drupal\Core\Command | core/ |
Provides a command to dump a database generation script. | 2 | |||
| DbDumpCommand | class | Drupal\Core\Command | core/ |
Provides a command to dump the current database to a script. | 1 | |||
| DbDumpCommandTest | class | Drupal\Tests\system\Kernel\Scripts | core/ |
Test that the DbDumpCommand works correctly. | ||||
| DbDumpTest | class | Drupal\KernelTests\Core\Command | core/ |
Tests for the database dump commands. | ||||
| DbImportCommand | class | Drupal\Core\Command | core/ |
Provides a command to import the current database from a script. | 1 | |||
| DbImportCommandTest | class | Drupal\Tests\system\Kernel\Scripts | core/ |
Test that the DbImportCommand works correctly. | ||||
| DbLog | class | Drupal\dblog\Logger | core/ |
Logs events in the watchdog database table. | 2 | |||
| DblogClearLogConfirmForm | class | Drupal\dblog\Form | core/ |
Provides a confirmation form before clearing out the logs. | 1 | |||
| DbLogController | class | Drupal\dblog\Controller | core/ |
Returns responses for dblog routes. | 2 | |||
| DbLogControllerTest | class | Drupal\Tests\dblog\Kernel | core/ |
Tests for the DbLogController class. | ||||
| DblogFilterForm | class | Drupal\dblog\Form | core/ |
Provides the database logging filter form. | ||||
| DblogFiltersAndFieldsUpgradeTest | class | Drupal\Tests\dblog\Functional\Update | core/ |
Tests the upgrade path for views field and filter handlers. | ||||
| DbLogFormInjectionTest | class | Drupal\Tests\dblog\Kernel | core/ |
Tests serializing a form with an injected dblog logger instance. | ||||
| DblogMessage | class | Drupal\dblog\Plugin\views\field | core/ |
Provides a field handler that renders a log event with replaced variables. | ||||
| DblogNoLogsAvailableUpgradeTest | class | Drupal\Tests\dblog\Functional\Update | core/ |
Test the upgrade path of changing the empty text area for watchdog view. | ||||
| DblogOperations | class | Drupal\dblog\Plugin\views\field | core/ |
Provides a field handler that renders operation link markup. | ||||
| DblogRecentLogsUsingViewsUpdateTest | class | Drupal\Tests\dblog\Functional\Update | core/ |
Ensures that update hook that creates the watchdog view ran successfully. | ||||
| DBLogResource | class | Drupal\dblog\Plugin\rest\resource | core/ |
Provides a resource for database watchdog log entries. | ||||
| DbLogResourceTest | class | Drupal\Tests\dblog\Functional | core/ |
Tests the watchdog database log resource. | ||||
| DbLogTest | class | Drupal\Tests\dblog\Kernel | core/ |
Generate events and verify dblog entries. | ||||
| DbLogTest | class | Drupal\Tests\dblog\Functional | core/ |
Generate events and verify dblog entries; verify user access to log reports based on permissions. | 1 | |||
| DblogTypes | class | Drupal\dblog\Plugin\views\filter | core/ |
Exposes log types to views module. | ||||
| DbLogViewsTest | class | Drupal\Tests\dblog\Functional | core/ |
Generate events and verify dblog entries; verify user access to log reports based on permissions. Using the dblog UI generated by a View. | ||||
| DbToolsApplication | class | Drupal\Core\Command | core/ |
Provides a command to import a database generation script. | 2 | |||
| DbToolsApplicationTest | class | Drupal\Tests\system\Kernel\Scripts | core/ |
Test that the DbToolsApplication works correctly. | ||||
| DbUpdateAccessCheck | class | Drupal\system\Access | core/ |
Access check for database update routes. | 2 | |||
| DbUpdateController | class | Drupal\system\Controller | core/ |
Controller routines for database update routes. | ||||
| DbUpdateNegotiator | class | Drupal\system\Theme | core/ |
Sets the active theme for the database update pages. | 2 | |||
| DbUpdatesTrait | in drupal:8.4.0 and is removed from drupal:9.0.0. Use \Drupal\FunctionalTests\Update\DbUpdatesTrait. |
trait | Drupal\system\Tests\Update | core/ |
Provides methods to conditionally enable db update functions and apply pending db updates through the Update UI. | |||
| DbUpdatesTrait | trait | Drupal\Tests\system\Functional\Update | core/ |
Provides methods to conditionally enable db update functions and apply pending db updates through the Update UI. | 1 |
Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.