15. Which keyword is used to prevent a class from being inherited in PHP?

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 does inheritance provide in OOP?

A). Code reusability

B). Data security

C). Object creation

D). Method overloading

What is polymorphism in OOP?

A). Code duplication

B). Method overriding

C). Data encapsulation

D). Class instantiation

Which OOP concept allows a class to implement methods with the same name but different parameters?

A). Overloading

B). Overriding

C). Inheritance

D). Polymorphism

What is the purpose of the static keyword in PHP?

A). To access properties or methods without instantiating the class

B). To prevent a class from being instantiated

C). To define constants

D). To access superclass methods

What is the purpose of the __construct() method in PHP?

A). To define class properties

B). To create objects

C). To initialize object properties

D). To access superclass methods

Which concept allows a method in a subclass to have the same name as a method in its superclass?

A). Encapsulation

B). Inheritance

C). Polymorphism

D). Abstraction

Which method is automatically called when an object is destroyed in PHP?

A). __delete()

B). __destroy()

C). __dispose()

D). __destruct()

Which keyword is used for inheritance in PHP?

A). inherit

B). extends

C). inherit_from

D). inherits

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