PHP, Files, and MySQL Databases

This article is for people who are interested in how PHP deals with uploaded files and databases. It walks through the steps of creating a database-driven picture repository, and includes the code to set you on the correct track. It starts out with how PHP deals with forms, then progresses to files, it deals with PHP's interaction with MySQL, and finally ends putting it all together to build a simple picture repository. The tutorial is 11 pages and is in PDF format.