Please note this is an old forum thread. Information in this post may be out-to-date and/or erroneous.
Every phpdocx version includes new features and improvements. Previously unsupported features may have been added to newer releases, or past issues may have been corrected.
We recommend you to check the sample DocxUtilities/mergeDocx/sample_2.php included in the Premium package that illustrates how to use in-memory DOCX with mergeDocx.