Learning PHP — Part One: Hello World, Variables, Constants, Data Types and Operators

Now we know how to create a webpage and style it, so let’s move on to adding dynamic content to the page. And we do that with PHP, or PHP Hypertext Processor. This is how you can grab data from files or a database, loop through the data and display it in any way possible. It’s a programming language, so today, we’ll go through the basics of PHP and programming languages, like variables, constants and data types.