eZ\Publish\Core\Repository\ContentService::deleteVersion PHP Метод

    public function deleteVersion(APIVersionInfo $versionInfo)
    {
        if ($versionInfo->status === APIVersionInfo::STATUS_PUBLISHED) {
            throw new BadStateException('$versionInfo', 'Version is published and can not be removed');
        }
        if (!$this->repository->canUser('content', 'versionremove', $versionInfo)) {
            throw new UnauthorizedException('content', 'versionremove', array('contentId' => $versionInfo->contentInfo->id, 'versionNo' => $versionInfo->versionNo));
        }
        $versionList = $this->persistenceHandler->contentHandler()->listVersions($versionInfo->contentInfo->id);
        if (count($versionList) === 1) {
            throw new BadStateException('$versionInfo', 'Version is the last version of the Content and can not be removed');
        }
        $this->repository->beginTransaction();
        try {
            $this->persistenceHandler->contentHandler()->deleteVersion($versionInfo->getContentInfo()->id, $versionInfo->versionNo);
            $this->repository->commit();
        } catch (Exception $e) {
            $this->repository->rollback();
            throw $e;
        }
    }