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
Which OOP concept allows a class to inherit from multiple classes?
A). Inheritance
B). Encapsulation
C). Polymorphism
D). Multiple inheritance
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 visibility of properties or methods declared as private in PHP?
A). Public
B). Protected
C). Private
D). Accessible only within the class
Which keyword is used to prevent a class from being inherited in PHP?
A). final
B). private
C). static
D). sealed
Which keyword is used to create a class in PHP?
A). new
B). object
C). define
D). class
Which concept allows a method in a subclass to have the same name as a method in its superclass?
A). Encapsulation
B). Inheritance
C). Polymorphism
D). Abstraction
What is the purpose of the interface keyword in PHP?
A). To define a class that cannot be instantiated
B). To define a contract for classes to implement
C). To define a blueprint for objects
D). To prevent a class from being inherited
What is encapsulation in OOP?
A). Grouping related classes
B). Hiding internal details of an object
C). Creating objects from classes
D). Inheriting properties from a superclass