Answer & Solution
Answer: Option A
Solution:
Polymorphism in PHP is achieved through method overriding, where a child class can provide its own implementation of a method defined in its parent class.
Q
How is polymorphism achieved in PHP?
Related Questions on Average
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 purpose of the interface keyword in PHP?
A). Finalize a class
B). Define a contract
C). Abstract a class
D). Create a subclass
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 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 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
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 access modifier in PHP restricts access to class members?
A). public
B). protected
C). private
D). access
Which keyword is used to access static properties or methods in PHP?
A). this
B). parent
C). self
D). static
What is the purpose of method overloading in PHP?
A). Different parameters
B). Same parameters
C). Override a method
D). Access private methods