Q
What is the purpose of the interface keyword in PHP?

Answer & Solution

Answer: Option B
Solution:
The interface keyword in PHP is used to define an interface, which defines a contract for classes to implement. It specifies a set of methods that implementing classes must define.
Related Questions on Average

Which OOP concept allows a class to inherit from multiple classes?

A). Inheritance

B). Encapsulation

C). Polymorphism

D). Multiple inheritance

Which keyword is used to prevent a class from being inherited in PHP?

A). final

B). private

C). static

D). sealed

What is polymorphism in OOP?

A). Code duplication

B). Method overriding

C). Data encapsulation

D). Class instantiation

Which keyword is used for inheritance in PHP?

A). inherit

B). extends

C). inherit_from

D). inherits

What is a class in PHP?

A). An instance of an object

B). A blueprint for creating objects

C). A method to access properties

D). A function to store variables

What is the purpose of the __construct() method in PHP?

A). To define class properties

B). To create objects

C). To initialize object properties

D). To access superclass methods

Which magic method is called when an undefined property is accessed in PHP?

A). __get()

B). __set()

C). __call()

D). __isset()

What is the purpose of the parent:: keyword in PHP?

A). To access properties of the parent class

B). To call methods of the parent class

C). To instantiate the parent class

D). To prevent inheritance

What does inheritance provide in OOP?

A). Code reusability

B). Data security

C). Object creation

D). Method overloading

What is the purpose of the static keyword in PHP?

A). To access properties or methods without instantiating the class

B). To prevent a class from being instantiated

C). To define constants

D). To access superclass methods