The IBM developerWorks site has posted their second in the series of "Learning PHP" tutorails.

This tutorial is Part 2 of a three-part series that takes you from the most basic PHP script to working with databases and streaming from the file system by documenting the building of a document workflow system. Here, documents are uploaded by users and stored in a non-Web-accessible location for retrieval by the application in Part 3. We also look at working with XML files using DOM and SAX, and we look at exceptions.

They don't mess around with their introductions to PHP, jumping right into a document management script, complete with a look at working with XML...