What is polymorphism in OOP?
A). Code duplication
B). Method overriding
C). Data encapsulation
D). Class instantiation
Which OOP concept allows a class to implement methods with the same name but different parameters?
A). Overloading
B). Overriding
C). Inheritance
D). Polymorphism
What does inheritance provide in OOP?
A). Code reusability
B). Data security
C). Object creation
D). Method overloading
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
Which keyword is used to prevent a class from being inherited in PHP?
A). final
B). private
C). static
D). sealed
Which method is automatically called when an object is destroyed in PHP?
A). __delete()
B). __destroy()
C). __dispose()
D). __destruct()
Which OOP concept allows a class to inherit from multiple classes?
A). Inheritance
B). Encapsulation
C). Polymorphism
D). Multiple inheritance
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
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