PHP is one of the most useful languages to know and is used everywhere you look online. In this tutorial, I start from the beginning and show you how to start writing PHP scripts. The video covers the software you need to get started, data types, outputting data, variables, concatenating strings, operators, if statements, HTML forms, arrays and loops. Check out my Learn HTML in 12 Minutes video for a quick introduction to HTML, which will be useful before trying to understand this tutorial:.