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: Think of an Interface as a "handshake" or a legal contract. It defines what an object must do without dictating how it does it.

: These are objects whose equality is based on their value rather than a unique identity (like a Money or DateRange object).

: This is the practice of hiding the internal state of an object and only exposing what is necessary through a public API. In PHP, this is managed using visibility keywords like public , protected , and private . object-oriented principles in php laracasts download

: Often favored over inheritance, composition involves building complex objects by combining simpler ones.

: This principle allows different classes to be treated as instances of the same parent class or interface, enabling you to swap out implementations without changing the calling code. Beyond the Basics: Advanced PHP OOP : Think of an Interface as a "handshake" or a legal contract

PHP Object-Oriented Programming Basics | PHP OOP Guide - Zend

: Learning to throw and catch Exceptions is vital for handling unexpected conditions gracefully in an object-oriented environment. Why Download and Watch the Laracasts Series? : This is the practice of hiding the

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: Abstraction focuses on hiding complex implementation details. For instance, an Abstract Class can serve as a template for other classes without being instantiated itself.