What is an object in PHP?
A). A class method
B). A function parameter
C). An instance of a class
D). A variable name
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 magic method is called when an undefined property is accessed in PHP?
A). __get()
B). __set()
C). __call()
D). __isset()
Which OOP concept allows a class to inherit from multiple classes?
A). Inheritance
B). Encapsulation
C). Polymorphism
D). Multiple inheritance
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
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 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 does inheritance provide in OOP?
A). Code reusability
B). Data security
C). Object creation
D). Method overloading
Which keyword is used to access properties or methods within the same class in PHP?
A). public
B). protected
C). private
D). $this