DeveloperTutorials.com has a new tutorial posted on their site for anyone out there that's looking to provide a "members-only" area to their site - Developing a Login System with PHP and MySQL.

Most interactive websites nowadays would require a user to log in into the website's system in order to provide a customized experience for the user. Once the user has logged in, the website will be able to provide a presentation that is tailored to the user's preferences. A basic login system typically contains 3 components...

They continue on, giving you a good overview of how the system works, what you'll need to get it up and working - including the code - and even how to add a "forgot your password" link to the page.