<?php

//path to  the CreateDocx class within your PHPDocX installation
require_once '../../../classes/CreateDocx.inc';
$docx = new CreateDocxFromTemplate('../../files/TemplateExternalFile.docx');
$docx->replaceVariableByExternalFile(array('EXTERNAL' => '../../files/External.docx'), array('matchSource' => true));
$docx->createDocx('example_replaceVariableByExternalFile_1');