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 method is automatically called when an object is destroyed in PHP?
A). __delete()
B). __destroy()
C). __dispose()
D). __destruct()
Which OOP concept allows a class to implement methods with the same name but different parameters?
A). Overloading
B). Overriding
C). Inheritance
D). Polymorphism
Which keyword is used for inheritance in PHP?
A). inherit
B). extends
C). inherit_from
D). inherits
What is encapsulation in OOP?
A). Grouping related classes
B). Hiding internal details of an object
C). Creating objects from classes
D). Inheriting properties from a superclass
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
Which keyword is used to access properties or methods within the same class in PHP?
A). public
B). protected
C). private
D). $this
What is the purpose of the __construct() method in PHP?
A). To define class properties
B). To create objects
C). To initialize object properties
D). To access superclass methods
What is polymorphism in OOP?
A). Code duplication
B). Method overriding
C). Data encapsulation
D). Class instantiation
Which OOP concept allows a class to inherit from multiple classes?
A). Inheritance
B). Encapsulation
C). Polymorphism
D). Multiple inheritance