PHP User Registry

A simple and secure user registration system written in PHP using PDO.

Features

• Secure password hashing
• PDO prepared statements
• Duplicate username checking
• Error handling and logging
• Organized repository structure

Setup

1. Clone the repository

2. Create your database and update config/config.php with your credentials.

3. Run the following SQL to create the users table:

   CREATE TABLE users (
       id INT AUTO_INCREMENT PRIMARY KEY,
       username VARCHAR(255) UNIQUE NOT NULL,
       password VARCHAR(255) NOT NULL
   );

4. Point your web server to the public/ directory.

Security Tips

• Always use HTTPS in production.
• Change default credentials.
• Consider implementing CSRF protection.