<prompt> Kutoa mfano wa PHP-MySQL msingi mfumo wa kuingia.  <response>: Here is an example of a simple PHP-MySQL based login system.To start, we need to create a table in our MySQL database to store user information. The table structure might look like this:SQLCREATE TABLE users id INT NOT NULL AUTO_INCREMENT, username VARCHAR50 NOT NULL, password VARCHAR255 NOT NULL, PRIMARY KEY id;The PHP code to handle the login process might look something like this:PHPprepareSELECT FROM users WHERE username :username; stmt-executeusername username; user stmt-fetchPDO::FETCH_ASSOC; check if the user exists and the password is correct if user password_verifypassword, userpassword login successful, store the user information in the session _SESSIONuser_id userid; _SESSIONusername userusername; headerLocation: home.php; redirect to the home page exit; else login failed, display an error message error Invalid username or password; ?Login error ?Username:Password:This is just a 