Returns a database connection that may be used to retrieve data from database.
Returns an array of user role information.
Returns the value of a variable that is stored in user session.
Returns a user instance given the user name.
Returns a user instance given the user name.
Returns a user instance given the user name.
Returns a user instance according to auth data stored in a cookie.
Returns a user instance according to auth data stored in a cookie.
Returns a user instance according to auth data stored in a cookie.
Returns an array of all users.