Q
What keyword is used in PHP to implement inheritance?

Answer & Solution

Answer: Option A
Solution:
class Dog extends Animal { }
In PHP, the extends keyword is used to implement inheritance, where the child class (Dog) inherits from the parent class (Animal).
Related Questions on Average

Which of the following is NOT a principle of OOP?

A). Inheritance

B). Polymorphism

C). Abstraction

D). Linearity

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

A). this

B). parent

C). self

D). static

What is the default access modifier in PHP?

A). public

B). protected

C). private

D). No default modifier

What is the purpose of method overloading in PHP?

A). Different parameters

B). Same parameters

C). Override a method

D). Access private methods

How is polymorphism achieved in PHP?

A). Method overriding

B). Method overloading

C). Method inheritance

D). Method encapsulation

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

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

What is encapsulation in PHP?

A). Hiding data implementation details

B). Exposing data publicly

C). Implementing interfaces

D). Inheriting properties

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 does the protected access modifier mean in PHP?

A). Access to all

B). Access to parent class

C). Access to subclass

D). Restricted access