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

Answer & Solution

Answer: Option B
Solution:
The abstract keyword in PHP is used to specify a class as abstract, meaning it cannot be instantiated directly and must be extended by another class.
Related Questions on Average

Which access modifier in PHP restricts access to class members?

A). public

B). protected

C). private

D). access

In PHP, what is the default visibility of class members?

A). Public

B). Protected

C). Private

D). Global

What does the protected access modifier mean in PHP?

A). Access to all

B). Access to parent class

C). Access to subclass

D). Restricted access

How is polymorphism achieved in PHP?

A). Method overriding

B). Method overloading

C). Method inheritance

D). Method encapsulation

What is encapsulation in PHP?

A). Hiding data implementation details

B). Exposing data publicly

C). Implementing interfaces

D). Inheriting properties

What is the default access modifier in PHP?

A). public

B). protected

C). private

D). No default modifier

What is the primary purpose of method overriding in PHP?

A). Hide implementation

B). Provide alternative

C). Prevent inheritance

D). Define in parent

Which of the following is an advantage of inheritance in PHP?

A). Increases code reusability

B). Decreases code maintainability

C). Adds complexity to the code

D). Makes code less modular

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 of the following is NOT a principle of OOP?

A). Inheritance

B). Polymorphism

C). Abstraction

D). Linearity