GnuCash and a PHP web application

[Chris Bare]

> Would it be possible to edit the xml file using PHP without 'annoying' 
> the engine?

What you might want to consider instead is generating an OFX file with PHP and
manually importing that into gnucash. It's less than ideal, but OFX is a
documented standard format, and gnucash's OFX import has worked very well for
me when importing transactions from my bank.

-- 
Chris Bare
chris at bareflix.com