OOP PHP Authentication System

A robust, object-oriented PHP authentication system featuring user registration, login, and session management. Recently modernized with a sleek UI and improved security practices.

Features

• Object-Oriented Design: Built using PHP classes for modularity and maintainability.
• Secure Authentication:
  • User Registration and Login.
  • Session Management.
  • Password Hashing (MD5 - Note: Consider upgrading to password_hash for production).
• Modern UI:
  • Bootstrap 5: Utilizes the latest Bootstrap 5 via CDN for responsive design.
  • Custom Typography: Uses 'Plus Jakarta Sans' for a modern, clean look.
  • Enhanced UX: Floating labels, card-based layouts, and smooth transitions.
• Client-Side Validation:
  • Real-time form validation using vanilla JavaScript.
  • User-friendly error messages (no annoying alerts).
  • Email format and password strength checks.

Requirements

• PHP 8.0 or higher.
• MySQL Database.
• Web Server (Apache/Nginx) or PHP built-in server.

Installation & Setup

1. Clone the Repository

   git clone <repository-url>
   cd oop-php-authentication-system

2. Database Setup

   • Create a new MySQL database named oop_log_mod.
   • Import the provided SQL file:

     mysql -u root -p oop_log_mod < users.sql

3. Configuration

   • Open include/db_config.php.
   • Update the database credentials to match your environment.
   • For MAMP Users:

     define('DB_PASSWORD', 'root'); // Default MAMP password
     // ...
     $this->connection = new mysqli(DB_SERVER, DB_USERNAME, DB_PASSWORD, DB_DATABASE, 8889, '/Applications/MAMP/tmp/mysql/mysql.sock');

4. Run the Application

   • Using PHP Built-in Server:

     php -S localhost:8000

     Access at: http://localhost:8888/login.php
   • Using MAMP/XAMPP: Place the folder in htdocs and access via your local server URL (e.g., http://localhost:8888/oop-php-authentication-system/login.php).

Folder Structure

• assets/: CSS and JavaScript files.
  • css/style.css: Custom styles and overrides.
  • js/script.js: Form validation logic.
• include/: PHP classes and partials.
  • class.user.php: Core user logic.
  • db_config.php: Database connection settings.
  • header.php & footer.php: Shared layout files.
• login.php: User login page.
• registration.php: User registration page.
• home.php: Protected dashboard page.

Credits

Original tutorial by Adnan for W3Programmers. Refactored and modernized by Adnan.