PHP Manual PDF Functions
This is probably not a Newbie's caliber post. There are some commercial libraries that will transform PDF text into XML, etc. I googled a few news group posts here and there as well. If you plan on rendering HTML with graphics via PDF files, it appears to get a bit more difficult still. Please write an article when you're done as this could be interesting.😃
I think your best tool right now is sheer determination coupled with a good search engine. Unless someone else out there has any suggestions?