The Observer Design Pattern is a behavioral design pattern where an object, called the subject, maintains a list of its dependents, called observers, and notifies them of any state changes, usually by calling one of their methods. Here’s how …
The Observer Design Pattern is a behavioral design pattern where an object, called the subject, maintains a list of its dependents, called observers, and notifies them of any state changes, usually by calling one of their methods. Here’s how …
The Abstract Factory design pattern provides an interface for creating families of related or dependent objects without specifying their concrete classes. This pattern is useful when there are multiple families of related objects and you want to ensure that …
The Factory Design Pattern is a creational design pattern that provides an interface for creating objects in a superclass but allows subclasses to alter the type of objects that will be created. It encapsulates the object creation logic, providing …
The Singleton design pattern ensures that a class has only one instance and provides a global point of access to that instance. This pattern is useful when exactly one object is needed to coordinate actions across the system. Here’s …
Polymorphism and method binding are essential concepts in object-oriented programming that facilitate flexibility, code reuse, and abstraction. Let’s delve into each concept with an example: Polymorphism Method Binding: Example illustrating polymorphism and method binding: Explanation: Polymorphism and method binding …
Encapsulation and information hiding are important principles in object-oriented programming (OOP) that promote modular, maintainable, and secure code. Let’s explore each concept: Encapsulation: Information Hiding: Example demonstrating encapsulation and information hiding: Explanation: By encapsulating data and hiding implementation details, …
Traits in PHP provide a mechanism for code reuse without inheritance. They allow developers to reuse methods in several independent classes. Trait composition refers to the process of using multiple traits in a single class. Let’s illustrate traits and …
Interfaces in PHP provide a way to define a contract for classes to follow, specifying which methods a class must implement without providing the implementation details. Let’s illustrate interfaces and how classes implement them with an example: Explanation: Interfaces …
Design Pattern Object Oriented Programming PHP Uncategorized
In PHP, when both a parent class (superclass) and a child class (subclass) have constructors (__construct() methods), the constructor of the child class will override the constructor of the parent class. However, the constructor of the parent class can …
Design Pattern Object Oriented Programming PHP Uncategorized
Method overriding and overloading are two important concepts in object-oriented programming (OOP) that involve the modification or extension of methods inherited from parent classes. Let’s explain each concept with examples: Method Overriding: Explanation: Method Overloading: Explanation: While PHP does …