Q
What is polymorphism in OOP?

Answer & Solution

Answer: Option B
Solution:
Polymorphism in OOP allows objects of different classes to be treated as objects of a common superclass. It enables flexibility in code design by allowing methods to behave differently based on the object's type.
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What is a class in PHP?

A). An instance of an object

B). A blueprint for creating objects

C). A method to access properties

D). A function to store variables

Which keyword is used to access properties or methods within the same class in PHP?

A). public

B). protected

C). private

D). $this

What is the purpose of the interface keyword in PHP?

A). To define a class that cannot be instantiated

B). To define a contract for classes to implement

C). To define a blueprint for objects

D). To prevent a class from being inherited

Which keyword is used to create an object in PHP?

A). create

B). instance

C). new

D). make

Which magic method is called when an undefined property is accessed in PHP?

A). __get()

B). __set()

C). __call()

D). __isset()

What is the purpose of the parent:: keyword in PHP?

A). To access properties of the parent class

B). To call methods of the parent class

C). To instantiate the parent class

D). To prevent inheritance

What is the visibility of properties or methods declared as private in PHP?

A). Public

B). Protected

C). Private

D). Accessible only within the class

What is an object in PHP?

A). A class method

B). A function parameter

C). An instance of a class

D). A variable name

What is encapsulation in OOP?

A). Grouping related classes

B). Hiding internal details of an object

C). Creating objects from classes

D). Inheriting properties from a superclass

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