In PHP, what is the default visibility of class members?
A). Public
B). Protected
C). Private
D). Global
Which of the following statements is true about polymorphism?
A). It allows a class to inherit from multiple classes
B). It allows a class to have multiple constructors
C). It allows a method to have multiple implementations
D). It allows a class to override parent class methods
How is polymorphism achieved in PHP?
A). Method overriding
B). Method overloading
C). Method inheritance
D). Method encapsulation
What is the primary purpose of method overriding in PHP?
A). Hide implementation
B). Provide alternative
C). Prevent inheritance
D). Define in parent
Which access modifier in PHP restricts access to class members?
A). public
B). protected
C). private
D). access
Which keyword is used to access static properties or methods in PHP?
A). this
B). parent
C). self
D). static
What is the purpose of the interface keyword in PHP?
A). Finalize a class
B). Define a contract
C). Abstract a class
D). Create a subclass
In PHP, what is the purpose of the final keyword?
A). To mark a method as deprecated
B). To prevent a class from being inherited
C). To specify a constant value
D). To define a global variable
What is the purpose of method overloading in PHP?
A). Different parameters
B). Same parameters
C). Override a method
D). Access private methods
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