This class can be used to authenticate users with records in a MySQL database table. It can present an HTML form to submit the user name and password when the user is not yet authenticated. The class verifies the user credentials against records of a MySQL database table. If the user is authenticated successfully, the class sets some session variables with the user details. The MySQL database table fields to check are configurable. This is login class. Work with any mysql database. Use SESSION and class variables together to keep logged user data. Possible use custom design styles.