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

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 final keyword?

A). To mark a method as deprecated

B). To prevent a class from being inherited

C). To specify a constant value

D). To define a global variable

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 encapsulation in PHP?

A). Hiding data implementation details

B). Exposing data publicly

C). Implementing interfaces

D). Inheriting properties

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

A). parent

B). super

C). this

D). self

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

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

A). Public

B). Protected

C). Private

D). Global

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

A). this

B). parent

C). self

D). static

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

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