The important stuff you need to know:
- Get a running start. Write PHP scripts and create a web form right away.
- Learn the language. Get up to speed on PHP and SQL syntax quickly.
- Build a database. Use MySQL to store user information and other data.
- Make it dynamic. Create pages that change with each new viewing.
- Be ready for mistakes. Plan error messages to help direct users.
- Manage your content. Use the file system to access user data, including images and other binary files.
- Control operations. Create an administrative interface to oversee your site.