Q
What is the benefit of using polymorphism in PHP?

Answer & Solution

Answer: Option D
Solution:
Polymorphism in PHP improves code maintainability by allowing objects of different classes to be treated as objects of a common superclass, facilitating code reuse and promoting a modular structure.
Related Questions on Average

Which access modifier in PHP restricts access to class members?

A). public

B). protected

C). private

D). access

Which keyword is used to access static properties or methods in PHP?

A). this

B). parent

C). self

D). static

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

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 main purpose of encapsulation?

A). To make classes more readable

B). To hide implementation details

C). To increase code complexity

D). To prevent inheritance

What keyword is used in PHP to implement inheritance?

A). extends

B). implements

C). inherits

D). inherits_from

What is the primary purpose of method overriding in PHP?

A). Hide implementation

B). Provide alternative

C). Prevent inheritance

D). Define in parent

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