public function FieldItemList::deleteRevision

public FieldItemList::deleteRevision()

Defines custom revision delete behavior for field values.

This method is called from during the process of deleting an entity revision, just before the field values are deleted from storage. It is only called for entity types that support revisioning.

Overrides FieldItemListInterface::deleteRevision

File

core/lib/Drupal/Core/Field/FieldItemList.php, line 223

Class

FieldItemList

Represents an entity field; that is, a list of field item objects.

Namespace

Drupal\Core\Field

Code

public function deleteRevision() {
  $this->delegateMethod('deleteRevision');
}