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 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 purpose of method overloading in PHP?
A). Different parameters
B). Same parameters
C). Override a method
D). Access private methods
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 is the primary purpose of method overriding in PHP?
A). Hide implementation
B). Provide alternative
C). Prevent inheritance
D). Define in parent
What is encapsulation in PHP?
A). Hiding data implementation details
B). Exposing data publicly
C). Implementing interfaces
D). Inheriting properties
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 keyword is used in PHP to implement inheritance?
A). extends
B). implements
C). inherits
D). inherits_from
In PHP, what is the default visibility of class members?
A). Public
B). Protected
C). Private
D). Global