Answer & Solution
Answer: Option B
Solution:
In PHP, the final keyword is used to prevent a class from being inherited, making it impossible to create child classes from it.
Q
In PHP, what is the purpose of the final keyword?
Related Questions on Average
What is the purpose of method overloading in PHP?
A). Different parameters
B). Same parameters
C). Override a method
D). Access private methods
What is the default access modifier in PHP?
A). public
B). protected
C). private
D). No default modifier
What keyword is used in PHP to implement inheritance?
A). extends
B). implements
C). inherits
D). inherits_from
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
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 does the protected access modifier mean in PHP?
A). Access to all
B). Access to parent class
C). Access to subclass
D). Restricted access
How is polymorphism achieved in PHP?
A). Method overriding
B). Method overloading
C). Method inheritance
D). Method encapsulation
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
Which keyword is used to access static properties or methods in PHP?
A). this
B). parent
C). self
D). static
Which access modifier in PHP restricts access to class members?
A). public
B). protected
C). private
D). access