Defining Constants [#10] Code Dynamic Websites with PHP
Lecture 10: Defining Constants
A constant is similar to a variable in the sense that you can store information in a keyword that can be used throughout your web page. However, the value of a constant cannot be changed, unlike a variable. It's literally "constant".
It's also worth noting that constants are case-sensitive and are written in ALL CAPS by convention. Here's how you define a constant in PHP:
define("TITLE", "Defining Constants");
To display a constant on your page, you can echo it using PHP, like this:
echo TITLE;
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