Enums represent a typed set of possible values in PHP. For example, if you're storing a Book that can have a status of want to read, reading or read, an Enum will hold these values in one place that you can reference anywhere.
Prior to PHP 8.1 (when Enums were added), you'd have to work with a simple class with constants. While that works fine, it doesn't provide much power under the hood.
In this course, we'll look at the power of Enums and how they can drastically simplify your code.
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