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 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 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 keyword is used to prevent a class from being inherited in PHP?
A). final
B). private
C). static
D). sealed
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 magic method is called when an undefined property is accessed in PHP?
A). __get()
B). __set()
C). __call()
D). __isset()
What does inheritance provide in OOP?
A). Code reusability
B). Data security
C). Object creation
D). Method overloading
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
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