PHP is a scripting language that is used for web development. I'm attempting to learn how to use it.

Playing with the $_SERVER predefined variable.

There are predefined constants in php. One of them is PHP_VERSION.
This is what it shows you (the version of php on the web server): 5.6.31

I will use an array to create this drop-down menu:

Move on to Chapter Three to look at the creation of dynamic websites.

Take me back to the previous php page.