FormBase

class \Drupal\Core\Form\FormBase implements \Drupal\Core\Form\FormInterface, \Drupal\Core\DependencyInjection\ContainerInjectionInterface uses \Drupal\Core\DependencyInjection\AutowireTrait, \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\Htmx\HtmxRequestInfoTrait, \Drupal\Core\Logger\LoggerChannelTrait, \Drupal\Core\Messenger\MessengerTrait, \Drupal\Core\Routing\RedirectDestinationTrait, \Drupal\Core\StringTranslation\StringTranslationTrait
- class \Drupal\ban\Form\BanAdmin extends \Drupal\Core\Form\FormBase
- class \Drupal\Core\Entity\EntityForm implements \Drupal\Core\Entity\EntityFormInterface extends \Drupal\Core\Form\FormBase
- class \Drupal\Core\Form\ConfigFormBase uses \Drupal\Core\Form\ConfigFormBaseTrait extends \Drupal\Core\Form\FormBase
- class \Drupal\Core\Form\ConfirmFormBase implements \Drupal\Core\Form\ConfirmFormInterface extends \Drupal\Core\Form\FormBase
- class \Drupal\Core\Installer\Form\SelectLanguageForm extends \Drupal\Core\Form\FormBase
- class \Drupal\Core\Installer\Form\SelectProfileForm extends \Drupal\Core\Form\FormBase
- class \Drupal\Core\Installer\Form\SiteSettingsForm extends \Drupal\Core\Form\FormBase
- class \Drupal\migrate_drupal_ui\Form\MigrateUpgradeFormBase uses \Drupal\migrate_drupal\MigrationConfigurationTrait extends \Drupal\Core\Form\FormBase
- class \Drupal\Tests\Core\Entity\BasicForm extends \Drupal\Core\Form\FormBase
- class \Drupal\Tests\Core\Entity\BasicFormNoUpcasting extends \Drupal\Core\Form\FormBase
- class \Drupal\Tests\Core\Entity\TestNotAnEntityForm extends \Drupal\Core\Form\FormBase
- class \Drupal\Tests\Core\Form\MockFormBase extends \Drupal\Core\Form\FormBase

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.