New on PHPBuilder.com today there's a tutorial helping you along with some of your first steps in building a Facebook application with PHP.
So you have been using Facebook for a while now and you're ready to dig down deep into it. That's certainly a good idea, because the Facebook API is very powerful and it allows you to create your own Facebook applications, which you, your friends or everyone else can then consume. You can use the Facebook applications you build on profile pages, canvas pages, and so on. You can even make money by developing practical applications. So, let's get started with creating your own Facebook application.
Their sample application helps you see how to set up the application with Facebook, get your API/Secret keys and find out the URLs you'll need to work with the application. From there they show you how to use the Facebook PHP library to make a form that will update your Facebook stream with a message.