Artisan is the command line tool used in Laravel framework. It offers a bunch of useful command that can help you develop application quickly. Apart from Artisan available commands, you can create your own custom commands to improve your workflow. Artisan is driven by the powerful Symfony Console component.
PHP provides three api to connect mysql Database.
1. MySql
2. MySqli
3. PDO
Out of these three MySql extension is deprecated as of PHP 5.5.0, and will be removed in the future.
MYSQLI is an improved object oriented extension introduced in PHP 5.
What is an abstract class in PHP and when to use an abstract class in your application? In this tutorial, we’ll learn about abstract class and their implementation.
Abstract Class in PHP