Questions
- What is object-oriented programming, and what are its key principles?
- Explain the concepts of encapsulation, inheritance, and polymorphism.
- What is the difference between a class and an object?
- What is the purpose of abstraction in OOP? Provide an example.
- How does inheritance promote code reusability? Give an example.
- What are abstract classes and interfaces? How do they differ?
- What is the difference between composition and inheritance?
- What is the purpose of PHP sessions, and how are they managed?
- What is the difference between include() and require() in PHP?
- How do you handle authentication and authorization in a PHP application?
