Chapter 1. Getting to Know PHP
In this lesson you will find out what PHP is all about and see what it is able to do.
There is a good chance you already know a bit about what PHP can do—that is probably why you have picked up this book. PHP is hugely popular, and rightly so. Even if you haven't come across an existing user singing its praises, you've almost certainly used a website that runs on PHP. This lesson clarifies what PHP does, how it works, and what it is capable of.
PHP is a programming language that was designed for creating dynamic websites. It slots into your web server and processes instructions contained in a web page before that page is sent through to your web browser. Certain elements of the page can therefore be generated ...