Question 61. Which one of the following keyword is used to inherit our subclass into a superclass?

Question 62. In the PHP code given below, what is/are the properties?

Question 63. Which keyword is used to refer to properties or methods within the class itself?

Question 64. Which keyword allows class members (methods and properties) to be used without needing to instantiate a new instance of the class?

Question 65. Which of the following advanced OOP features is/are not supported by PHP?
1. Method overloading
2. Multiple Inheritance
3. Namespaces
4. Object Cloning

Question 66. Which one of the following is the right way to clone an object?

Question 67. Which version of PHP introduced the advanced concepts of OOP?

Question 68. The class from which the child class inherits is called.
1. Child class
2. Parent class
3. Super class
4. Base class

Question 69. Which of the following is/are true for an abstract class?
1. A class is declared abstract by prefacing the definition with the word abstract.
2. A class is declare abstract by using the keyword implements.
3. It is a class that really isn’t supposed to ever be instantiated but instead serves as a base class.
4. Attempting to instantiate an abstract class results in an error.

Question 70. If your object must inherit behavior from a number of sources you must use a/an