class Example { private $variable; }What is the benefit of using polymorphism in PHP?
A). Increased complexity
B). Improved readability
C). Decreased flexibility
D). Increased maintainability
What is the purpose of method overloading in PHP?
A). Different parameters
B). Same parameters
C). Override a method
D). Access private methods
Which keyword is used to access static properties or methods in PHP?
A). this
B). parent
C). self
D). static
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 default access modifier in PHP?
A). public
B). protected
C). private
D). No default modifier
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
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
What keyword is used in PHP to implement inheritance?
A). extends
B). implements
C). inherits
D). inherits_from
Which keyword is used to access parent class properties in PHP?
A). parent
B). super
C). this
D). self
What does the final keyword do when applied to a method in PHP?
A). Mark as deprecated
B). Prevent override
C). Define as abstract
D). Enable instantiation