Answer & Solution
Answer: Option B
Solution:
The interface keyword in PHP is used to define a contract for methods that implementing classes must follow, but it cannot contain any method implementations.
Q
What is the purpose of the interface keyword in PHP?
Related Questions on Average
What is encapsulation in PHP?
A). Hiding data implementation details
B). Exposing data publicly
C). Implementing interfaces
D). Inheriting properties
Which keyword is used to access static properties or methods in PHP?
A). this
B). parent
C). self
D). static
How is polymorphism achieved in PHP?
A). Method overriding
B). Method overloading
C). Method inheritance
D). Method encapsulation
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 the default access modifier in PHP?
A). public
B). protected
C). private
D). No default modifier
What keyword is used in PHP to implement inheritance?
A). extends
B). implements
C). inherits
D). inherits_from
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 main purpose of encapsulation?
A). To make classes more readable
B). To hide implementation details
C). To increase code complexity
D). To prevent inheritance
Which keyword is used to access parent class properties in PHP?
A). parent
B). super
C). this
D). self
What is the purpose of method overloading in PHP?
A). Different parameters
B). Same parameters
C). Override a method
D). Access private methods