public ContentEntityStorageBase::deleteRevision($revision_id)
Delete a specific entity revision.
A revision can only be deleted if it's not the currently active one.
int $revision_id: The revision id.
Overrides EntityStorageInterface::deleteRevision
public function deleteRevision($revision_id) { /** @var \Drupal\Core\Entity\ContentEntityInterface $revision */ if ($revision = $this->loadRevision($revision_id)) { // Prevent deletion if this is the default revision. if ($revision->isDefaultRevision()) { throw new EntityStorageException('Default revision can not be deleted'); } $this->invokeFieldMethod('deleteRevision', $revision); $this->doDeleteRevisionFieldItems($revision); $this->invokeHook('revision_delete', $revision); } }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Entity!ContentEntityStorageBase.php/function/ContentEntityStorageBase::deleteRevision/8.1.x