13. What does the protected access modifier mean in PHP?

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

A). parent

B). super

C). this

D). self

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

Which of the following is an advantage of inheritance in PHP?

A). Increases code reusability

B). Decreases code maintainability

C). Adds complexity to the code

D). Makes code less modular

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 benefit of using polymorphism in PHP?

A). Increased complexity

B). Improved readability

C). Decreased flexibility

D). Increased maintainability

What is encapsulation in PHP?

A). Hiding data implementation details

B). Exposing data publicly

C). Implementing interfaces

D). Inheriting properties

How is polymorphism achieved in PHP?

A). Method overriding

B). Method overloading

C). Method inheritance

D). Method encapsulation

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

A). this

B). parent

C). self

D). static

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

What keyword is used in PHP to implement inheritance?

A). extends

B). implements

C). inherits

D). inherits_from