function mergeDOCX($source_file, $merged_file)
 {
     // Important: we get the merge data first, because the phpWord
     // autoloader included below stuffs up the Jethro autoloader
     // and causes errors.
     $data = array_values($this->getMergeData());
     // NB THIS FILE HAS BEEN CHANGED!
     require_once 'include/phpword/src/PhpWord/Autoloader.php';
     \PhpOffice\PhpWord\Autoloader::register();
     \PhpOffice\PhpWord\Settings::setTempDir(dirname($source_file));
     $templateProcessor = new \PhpOffice\PhpWord\TemplateProcessor($source_file);
     if (!$templateProcessor->cloneBlock('MERGEBLOCK', count($data))) {
         $vars = $templateProcessor->getVariables();
         if (empty($vars)) {
             trigger_error("You don't seem to have included any \${keywords} in your file; cannot merge");
             return;
         }
         $templateProcessor->cloneRow(reset($vars), count($data));
     }
     foreach ($data as $num => $row) {
         foreach ($row as $k => $v) {
             $templateProcessor->setValue(strtoupper($k) . '#' . ($num + 1), $this->xmlEntities($v));
         }
     }
     $templateProcessor->saveAs($merged_file);
 }