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.
Please run one of the included examples (XmlApi/Core/addText/sample_1 is the simplest one) using the PHP CLI mode or check your server log, it seems it's returning a 500 error, and post the output/error.