Object Oriented Php -

: This special variable is used inside class methods to refer to the current object's properties or other methods. The Four Pillars of OOP

: An object is a specific "instance" of a class. If "Car" is the class, then your neighbor's red sedan is an object. Object Oriented PHP

: Grouping related data and methods into a single unit (the class) and restricting direct access to some of an object's components. : This special variable is used inside class

: Think of a class as a blueprint or a template for an object. It defines what a "thing" should look like and what it can do. like $color or $model .

: These are variables defined inside a class that hold data specific to an object, like $color or $model .