This file provides a user interface for registering new users. It includes form validation for required fields such as first name, last name, username, password, verify password, and email. It ensures the following:

1- All fields are mandatory. 2- Validates username format (letters, numbers, underscores). 3- Password length must be at least 6 characters. 4- Validates email format. 5- Checks if the username or email already exists in the database before registration.

1- Ensure a MySQL database named 'users' exists. 2- Update the database credentials ('mysql:host=localhost;dbname=users', 'root') to match your environment. 3- Fill in the required details and click the 'Signup' button to create a new account. 4- If successful, a success message will be displayed; otherwise, any encountered errors will be shown.

This file provides a user interface for logging in. It verifies user credentials against the registered users in the database and grants access if the credentials match.

1- Ensure the MySQL database 'users' exists and contains registered users. 2- Update the database credentials ('mysql:host=localhost;dbname=users', 'root') to match your environment. 3- Enter a registered username and its corresponding password. 4- Click the 'Login' button to submit the credentials for validation. 5- If the credentials are correct, a success message will confirm successful login; otherwise, any encountered errors will be displayed.