BCA Semester 4 – Scripting Language – Unit 3: Advanced Server Side Scripting (15Hrs.)

Question 1

Write an object-oriented PHP program to implement the concept of inheritance in considering with following class diagram with the use of constructor for 20 students.

Marks: 10

Year: 2020 Final TU FOHSS

1. Definition / Concept Inheritance: - In PHP OOP, inheritance allows a child class to reuse properties and methods of a parent class. - Promotes code reusability and modularity. - Constructor:

Question 2

Discuss about MVC architecture with appropriate diagram.

Marks: 5

Year: 2021 Final TU FOHSS

1. Definition of MVC MVC (Model-View-Controller) is a software design pattern used in web development to separate application logic into three interconnected components: 1. Model – Handles data and bu

Question 3

Define method overriding. Write a PHP program to handle the overriding situation.

Marks: 10

Year: 2021 Final TU FOHSS

1. Definition of Method Overriding Method overriding occurs in PHP when a child class redefines a method that already exists in its parent class. Key Points: - Allows child class to provide its own

Question 4

What is use of inheritance? Write an object oriented PHP program to define Person class and derive student and employee class from it to demonstrate hierarchical inheritance.

Marks: 5

Year: 2023 Final TU FOHSS

1. Use of Inheritance Definition Inheritance allows a class (child) to reuse properties and methods of another class (parent). Key Uses: - Code Reusability: Avoids writing the same code in multipl

Question 5

What is Inheritance? Explain different ways to implement polymorphism in PHP with proper example.

Marks: 10

Year: 2024 Final TU FOHSS

1. Inheritance in PHP Definition Inheritance is an OOP concept where a class (child/subclass) inherits properties and methods from another class (parent/superclass). - It allows code reusability a

Question 6

What is Constructor? How you implement constructor in php?

Marks: 5

Year: 2022 Final TU FOHSS

1. Definition of Constructor A constructor is a special method in a class that is automatically called when an object is created. Key Points: - Initializes object properties - Runs once per object

Question 7

What are the advantages of inheritance? Write a PHP program to illustrate the concept of function overloading.

Marks: 10

Year: 2022 Final TU FOHSS

1. Advantages of Inheritance | Advantage | Description | |-----------|-------------| | Code Reusability | Reuse properties and methods of parent class in child class. | | Modularity | Logical grouping