💬 PHP Chat Room

A modern real-time chat room built with PHP + SQLite + AJAX
Designed with a glassmorphism UI and dark/light theme support.

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✨ Features

• 🔐 Session-based login system
• 💬 Real-time chat using AJAX (no page refresh)
• 😀 Emoji support
• 🌓 Dark / Light mode toggle
• ⏱ Message timestamps
• 📱 Fully responsive (mobile & desktop)
• 💾 SQLite database (auto-created on first run)

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🧠 Performance & Hosting

This chat room is designed to be lightweight and optimized.

• 🚀 Runs smoothly even on low-end hosting (as low as 512MB RAM)
• 💾 Uses SQLite, no heavy database server required
• 🧹 Automatically keeps only the last 100 messages
• 🗑 Older messages are deleted automatically to reduce disk usage
• ⚡ Optimized AJAX polling for fast and efficient message updates

Perfect for small VPS, shared hosting, or minimal server environments.

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🛠 Technologies Used

• PHP (PDO)
• SQLite
• JavaScript (Fetch API)
• HTML5 / CSS3
• Google Fonts (Inter)

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🚀 Installation

Follow these steps to run the project on your host:

1. Clone or download the repository

git clone https://github.com/mmahdiTor/chatRoom.git

2. Upload the files to your host
   Upload all project files to your hosting panel
   (cPanel / DirectAdmin / etc)

3. Run the project
   Open your domain in the browser
   The database will be created automatically on first run

4. Login
   Default users are defined inside login.php

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👤 User Configuration

User accounts are defined manually inside the login.php file.

To add or edit users:

1. Open login.php
2. Locate the $users array
3. Add a username and password as needed

Example:

$users = [
    "mahdi" => "1234",
    "Ali" => "5678"
];

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📸 Screenshots

Chat Room

Light Mode	Dark Mode

Login Page

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👤 Author

Developed by MahdiTor

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📄 License

This project is licensed under the MIT License
Feel free to use, modify, and distribute it.

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⭐ If you like this project, don’t forget to give it a star on GitHub!