First things first, let's check if you have PHP! This will also tell you more information about the version of PHP that you are running.
Next, you have to do a Hello World! script. Sure it's simple, and it's cheesy, but its tradition when learning a language.
Now it's time to really start learning the basics! This tutorial shows all of the basics you need to start writing PHP scripts.
If you are someone, like me, who learns best from example, you should probably browse our Step by Steps section, for detailed instruction (and full example code) for creating different types of scripts.