6. What is the default access modifier in PHP?

Which access modifier in PHP restricts access to class members?

A). public

B). protected

C). private

D). access

How is polymorphism achieved in PHP?

A). Method overriding

B). Method overloading

C). Method inheritance

D). Method encapsulation

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

A). Public

B). Protected

C). Private

D). Global

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

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 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 is the benefit of using polymorphism in PHP?

A). Increased complexity

B). Improved readability

C). Decreased flexibility

D). Increased maintainability

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 encapsulation in PHP?

A). Hiding data implementation details

B). Exposing data publicly

C). Implementing interfaces

D). Inheriting properties

Which of the following statements is true about polymorphism?

A). It allows a class to inherit from multiple classes

B). It allows a class to have multiple constructors

C). It allows a method to have multiple implementations

D). It allows a class to override parent class methods