What is the main purpose of encapsulation?
A). To make classes more readable
B). To hide implementation details
C). To increase code complexity
D). To prevent inheritance
What is the benefit of using polymorphism in PHP?
A). Increased complexity
B). Improved readability
C). Decreased flexibility
D). Increased maintainability
Which of the following is an advantage of inheritance in PHP?
A). Increases code reusability
B). Decreases code maintainability
C). Adds complexity to the code
D). Makes code less modular
What keyword is used in PHP to implement inheritance?
A). extends
B). implements
C). inherits
D). inherits_from
Which keyword is used to access static properties or methods in PHP?
A). this
B). parent
C). self
D). static
In PHP, what is the purpose of the abstract keyword?
A). To specify a class as final
B). To specify a class as abstract
C). To prevent a class from being instantiated
D). To mark a method as deprecated
Which access modifier in PHP restricts access to class members?
A). public
B). protected
C). private
D). access
What is the default access modifier in PHP?
A). public
B). protected
C). private
D). No default modifier
Which of the following is NOT a principle of OOP?
A). Inheritance
B). Polymorphism
C). Abstraction
D). Linearity
In PHP, what is the default visibility of class members?
A). Public
B). Protected
C). Private
D). Global