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 OOP concept allows a class to implement methods with the same name but different parameters?
A). Overloading
B). Overriding
C). Inheritance
D). Polymorphism
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 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 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
Which keyword is used to access properties or methods within the same class in PHP?
A). public
B). protected
C). private
D). $this
Which keyword is used to prevent a class from being inherited in PHP?
A). final
B). private
C). static
D). sealed
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 keyword is used to create an object in PHP?
A). create
B). instance
C). new
D). make
What does inheritance provide in OOP?
A). Code reusability
B). Data security
C). Object creation
D). Method overloading