We’ve covered the basic concepts of HTTP and the types of information that it deals with. We dealt with the parts of an HTTP request on a high level, all the different request types, and some of the other basic features and ideas of the HTTP (protocol).
With URIs we can reference and locate just about everything we need to on the internet, from books, videos, sites, and games. Without URIs we’d still be stuck in specific clunky ways to access specific things using specific clients and methods, instructions which I followed in many a book before URIs became a big thing. Now, it’s simple: http://wunk.me/
It’s not too hard to set up a basic command line PHP coding environment using github, composer, and phpunit. This tutorial covered how to set up the development environment if you’re using php purely from the command line. This tutorial did not cover *AMP installations.