Topic closed:
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.
This help:
$wordStyles = array('.heading2' => 'Heading2');
$docx->embedHTML($htmlContent, array('strictWordStyles'=>true, 'wordStyles'=>$wordStyles));