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        try
        {
            // load the content info for the given id
            $contentInfo = $contentService->loadContentInfo($contentId);
            // create a draft from the current published version
            $contentDraft = $contentService->createContentDraft($contentInfo);
            // instanciate a content update struct
            $contentUpdateStruct = $contentService->newContentUpdateStruct();
            // set language for new version
            $contentUpdateStruct->initialLanguageCode = 'eng-GB';
            // set fields
            $contentUpdateStruct->setField( 'title', $newtitle );
            $contentUpdateStruct->setField( 'body', $newbody );
            // update draft
            $contentDraft = $contentService->updateContent($contentDraft->versionInfo, $contentUpdateStruct);
            // publish draft
            $content = $contentService->publishVersion($contentDraft->versionInfo);
            print_r($content);
        }
        catch(\eZ\Publish\API\Repository\Exceptions\NotFoundException $e)
        {
            // react on content type not found
            $output->writeln($e->getMessage());
        }
        catch(\eZ\Publish\API\Repository\Exceptions\ContentFieldValidationException $e)
        {
            // react on a field is not valid
            $output->writeln($e->getMessage());
        }
        catch(\eZ\Publish\API\Repository\Exceptions\ContentValidationException $e)
        {
            // react on a required field is missing or empty
            $output->writeln($e->getMessage());
        }
    }