13. What does the protected access modifier mean in PHP?

What is the purpose of the interface keyword in PHP?

A). Finalize a class

B). Define a contract

C). Abstract a class

D). Create a subclass

What keyword is used in PHP to implement inheritance?

A). extends

B). implements

C). inherits

D). inherits_from

In PHP, what is the purpose of the abstract keyword?

A). To specify a class as final

B). To specify a class as abstract

C). To prevent a class from being instantiated

D). To mark a method as deprecated

What is the primary purpose of method overriding in PHP?

A). Hide implementation

B). Provide alternative

C). Prevent inheritance

D). Define in parent

How is polymorphism achieved in PHP?

A). Method overriding

B). Method overloading

C). Method inheritance

D). Method encapsulation

Which of the following is NOT a principle of OOP?

A). Inheritance

B). Polymorphism

C). Abstraction

D). Linearity

Which access modifier in PHP restricts access to class members?

A). public

B). protected

C). private

D). access

What does the final keyword do when applied to a method in PHP?

A). Mark as deprecated

B). Prevent override

C). Define as abstract

D). Enable instantiation

Which keyword is used to access parent class properties in PHP?

A). parent

B). super

C). this

D). self

What is the purpose of method overloading in PHP?

A). Different parameters

B). Same parameters

C). Override a method

D). Access private methods