Chapter 2: Introducing PHP
Now that you have your server up and running, it’s time to write your first PHP script. PHP is a server-side language. This concept may be a little difficult to grasp, especially if you’ve only ever designed websites using client-side languages like HTML, CSS, and JavaScript.
A server-side language is similar to JavaScript in that it allows you to embed dynamically generated content into the HTML code of a web page, giving you greater control over what appears in the browser window than HTML alone can provide. The key difference between JavaScript and PHP is the stage at which the code is run.
Client-side languages like JavaScript are read and executed by the web browser after downloading the web page (embedded programs ...
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