When you're making a dynamic site in PHP, you might want to restrict an area from normal users and grant access only to a set of trusted users. You wouldn't want to make the admin area open for everybody now, would you?
To restrict an area you need to create some sort of authentication method, and how you do this is one of the questions I've seen get asked a lot. Throughout this article I intend to show you a few different approaches to authentication with PHP and MySQL.
