Which keyword is used for inheritance in PHP?
A). inherit
B). extends
C). inherit_from
D). inherits
Which keyword is used to prevent a class from being inherited in PHP?
A). final
B). private
C). static
D). sealed
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
Which keyword is used to create a class in PHP?
A). new
B). object
C). define
D). class
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
Which magic method is called when an undefined property is accessed in PHP?
A). __get()
B). __set()
C). __call()
D). __isset()
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 polymorphism in OOP?
A). Code duplication
B). Method overriding
C). Data encapsulation
D). Class instantiation
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