Simple Web-Based Chat Application using PHP MySQL

The chat application we will be building today will be quite simple. It not required login, AJAX-style features, and will also offer support for multiple users.
Installation
I like to use Wamp server, so I suggest installing Wamp server . Once that is installed, execute the following instructions.
Run wamp server ❗.
Make sure you have placed this entire application inside 📂 c://wamp/www/chat_application.
Left click on the wamp icon in system tray It will display list of options Select “start all services”.
Then open your preffered browser and type localhost in address bar Hit enter ❗ It will show the default page of wamp server.
Now include this index.php (my php file name) at the end of the url.
Setting Up The Database (.SQL File is present in dbase Folder)
Method 1 ✏️ Using Mysql Console !
I like to use mysql, so I suggest installing mysql. Once that is installed, execute the following commands don't worry it is inbuilt in Wamp server !.
If you are using wamp you can try this. Just type use your_Database_name first.
Click your wamp server icon then look for MYSQL > MSQL Console then run it.
If you dont have password, just hit enter and type :
mysql> use database_name;
mysql> source location_of_your_file;
If you have password, you will promt to enter a password. Enter you password first then type:
mysql> use database_name;
mysql> source location_of_your_file;
Method 2 ✏️
Left click on the wamp icon in system tray and run PHPMyAdmin (Access your database via PHPMyAdmin).
Go to the Import files tab
Click Browse, locate the SQL file on your computer (it is present in sql database folder), click Open, and then click Go.
Download link

100 + PHP Projects with Source Code

Detailed Project Description

Simple Web-Based Chat Application using PHP MySQL enables real-time message exchange between users with delivery status, using a persistent connection instead of page refreshes.

How It Works
1. A client connects to the server (or peer) and authenticates.
2. Messages are sent over a persistent channel (sockets, Bluetooth or a realtime database).
3. The server/peer relays each message to the recipient and stores history.
4. Presence, typing and delivery indicators keep the conversation live.

Technology Roles
- Java
- PHP
- JavaScript
- Android
- MySQL

Implementation Steps
1. Define requirements and draw the ER / class diagram and screen flow.
2. Set up the environment (Arduino IDE) and create the project skeleton.
3. Design the database schema / data model and seed it with sample data.
4. Implement the core modules with validation and role-based access where needed.
5. Build the user interface and connect it to the backend / data layer.
6. Test each module (unit + manual), fix edge cases and secure inputs (SQL injection, XSS, auth).
7. Prepare documentation, screenshots and a demo build.

Key Features
- Real-time delivery
- Chat history
- Presence indicators
- Group or one-to-one chat

Expected Output
On completion the student will have two or more users exchanging messages instantly.

Deliverables
- Complete source code with comments
- Database schema / data model and screen flow
- Project report with screenshots and results
- Demonstration-ready build