PHP Enums before PHP 8.1

PHP Basics: Extending Classes

How can i use this extends class without requiring it at the top? - PHP - SitePoint Forums

PHP Inheritance

PHP Class Extends - Inheritance In Object-Oriented Programming

Pest, a simple & elegant testing framework for PHP that extends PHPUnit

PHP Keywords List of Various PHP Keywords You Need To Know

Extending View?

You can dynamically create and extend interfaces in PHP

Solved Compulsory Task 1 Create a file called student.php

Matthieu Napoli on X: It's finally time: myclabs/php-enum now guides you to upgrade to native PHP enums with PHP 8.1. 9 years, 2400 stars, 31 contributors, 56 million downloads… Goodbye little package.