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.
Just to add to my original post.
I've found that generation is speeded up significant by creating the object just once and then make a copy as and when needed.
It is possible to use a Linux RAM disk to when working on files, more info here:
http://www.cyberciti.biz/faq/howto-create-linux-ram-disk-filesystem/