*
 * (array)  $templateFilesnames     An array containing the above.
 */
use ZendService\LiveDocx\MailMerge;
$mailMerge = new MailMerge();
$mailMerge->setUsername(DEMOS_ZENDSERVICE_LIVEDOCX_FREE_USERNAME)->setPassword(DEMOS_ZENDSERVICE_LIVEDOCX_FREE_PASSWORD)->setService(MailMerge::SERVICE_FREE);
// for LiveDocx Premium, use MailMerge::SERVICE_PREMIUM
// -----------------------------------------------------------------------------
foreach ($templateFilesnames as $filename) {
    if ($mailMerge->templateExists($filename)) {
        $mailMerge->deleteTemplate($filename);
    }
    $mailMerge->uploadTemplate($filename);
}
// -----------------------------------------------------------------------------
$mailMerge->setIgnoreSubTemplates(true);
// <-- Does NOT include any sub-templates.
$mailMerge->setRemoteTemplate($templateFilename);
$mailMerge->createDocument();
$document = $mailMerge->retrieveDocument('pdf');
file_put_contents('document-ignore-1.pdf', $document);
// -----------------------------------------------------------------------------
$mailMerge->setIgnoreSubTemplates(false);
// <-- Includes all sub-templates.
//     Default, when setIgnoreSubTemplates is not called.
$mailMerge->setRemoteTemplate($templateFilename);
$mailMerge->createDocument();
$document = $mailMerge->retrieveDocument('pdf');
file_put_contents('document-ignore-2.pdf', $document);
// -----------------------------------------------------------------------------
unset($mailMerge);