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
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 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
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
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 does inheritance provide in OOP?
A). Code reusability
B). Data security
C). Object creation
D). Method overloading
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
Which keyword is used to access properties or methods within the same class in PHP?
A). public
B). protected
C). private
D). $this
What is polymorphism in OOP?
A). Code duplication
B). Method overriding
C). Data encapsulation
D). Class instantiation