Object Oriented Programing in PHP exercices

Table of contents

• Requirements
• How to install
• How to do the exercices
  • Check your results
    • Manual checks
    • Automated checks
• Exercices
  • Exercice 1
  • Exercice 2
  • Exercice 3
  • Exercice 4
  • Exercice 5
  • Exercice 6
  • Exercice 7
  • Exercice 8
  • Exercice 9
  • Exercice 10
  • Exercice 11
  • Exercice 12
  • Exercice 1x
  • Exercice 1xx
  • Exercice 1xxx
  • Exercice 1xxxx
  • Exercice 1xxxxx
  • Exercice 1xxxxxx
  • Exercice 1xxxxxxx

Requirements

• docker and docker compose must be installed to use this template
• you must have basic knowledge of PHP

How to install

1. git clone https://github.com/deozza/php-oop-exercices
2. cd php-oop-exercices
3. docker compose up -d --build
4. docker compose exec php-oop-course composer install

Check that your installation was successful by executing :

docker compose exec php-oop-course ./vendor/bin/phpunit ./tests/DummyTest.php

You should have the following result :

PHPUnit 11.3.1 by Sebastian Bergmann and contributors.

Runtime:       PHP 8.2.22

.                                                                   1 / 1 (100%)

Time: 00:00.009, Memory: 6.00 MB

OK (1 test, 1 assertion)

How to do the exercices

This repository is based on TDD. Tests asserting you have answered correctly are already written. You can assume you have answered as you should have by executing the tests and none of them are failing.

In order to use this system, you will need to follow closely the instructions of each exercice. This is also true for naming your folders, your files, your classes, etc.

All your code must be located in the app/src folder.

Check your results

Manual checks

If you want to check your code manually, you could use the app/src/index.php file and use your code inside.

You can then use the following command to execute the code in this file :

docker compose exec php-oop-course php -f src/index.php

You can also open your browser and navigate to the 127.0.0.1:8080/src/index.php to check your code.

Automated checks

If you want to check you have completed that exercice, use the following command :

docker compose exec php-oop-course ./vendor/bin/phpunit tests/Exercice3

If you want to check you have completed all the exercices, use the following command :

docker compose exec php-oop-course ./vendor/bin/phpunit tests

Exercices

Exercice 1

Create a new class named Product. You should be able to instanciate a new object of this class.

Exercice 2

In your precedent class Product, add the following properties

• name
• price
• dateOfRelease

Exercice 3

Modify your precedent class Product so its properties has default values :

• name : "New product"
• price : 9.99
• dateOfRelease : the date of today

Exercice 4

In your precedent class Product, change your properties so that name could only be assigned characters, price numbers and decimals, dateOfRelease a date

Exercice 5

In your precedent class Product, add typed getter and setter for each of the properties

Exercice 6

In your precedent class Product, find a way to return the name of the product with the first letter capitalized

Exercice 7

Create a new class named User. This class would have the properties :

• firstname
• lastname
• birthday

This class would have getter and setters for all its properties.

Then create another class named DateCalculator. This class would have a method called getDaysBetweenTwoDates. It takes two dates and calculate number of days between them. For example, if the given dates are 2024 October 31th and 2024 October 26th, the method would return 360 .

Then create another class named BirthdayPlanner. This class would have a method called getNextBirthdayMessage. It takes a user as argument and would display the following message : Hello <firstname> <lastname> ! There are <numberOfDays> days until your next birthday..

Exercice 8

Create a new class named Square. This class would have a property named length, typed as a float. It would also have a setter and a getter. It would also have a method getArea to calculate and return the area.

Exercice 9

Write a PHP CLI script. It would take as input the dimesion of a square. It would then echo the area of the square.

Exercice 10

Create a new class named Rectangle. This class would have a property named length and width, typed as a float. It would also have a setter and a getter. It would also have a method getArea to calculate and return the area.

Exercice 11

Adapt the CLI script to let the user chose between a square and a circle

Exercice 12

Use polymorphism to simplify the CLI script. You will write an abstract class named Shape with an abstract methods called getArea, getDimensionsNames and setDimensions. Create a new class named Circle and add it as a choice of the CLI script

Exercice 1x

Something to do with extends on user (for employee, client, secretary, ...)

Exercice 1xx

Something to do with a login page

Exercice 1xxx

Implement form validator for the login page

Exercice 1xxxx

Create a logger when login is unsuccessful. Make it a singleton

Exercice 1xxxxx

Create a db connexion

Exercice 1xxxxxx

Make db requests for select, insert, update, delete

Exercice 1xxxxxxx

Make it into a ORM