Using Auth

Hi, I am planning on using PEAR for a new project. For the login process, I have the following requirements: 1. The user can login via a login form, requesting user name and password 2. If the login fails, the request is redirected back to the login page, displaying an error message ("Login failed - try again") 3. If the login succeeds, the main page is displayed 4. Whenever an unauthorized user tries to access a page within the application other than the login page, he is redirected to the login page I want to realize this procedure using the PEAR Auth package. However, the documentation seems relatively opaque to me. Regarding the example given at http://pear.php.net/manual/en/package.authentication.auth.intro.php, I have the following questions: 1. Is the Auth package appropriate for the intended use (as described above)? 2. At which point in the given example script is the login screen actually displayed (i.e. "loginFunction" called)? 3. What does a->start() actually do? The docs say, it starts the authentication process, but what does that mean? 4. How does the control flow in the script work? It seems to me that the script has to be called at least twice, the first time to output the login screen for the user, the second time to verify the login data, after the user has pressed the submit button. 5. The script shows how a successful login attempt is handled. But, how is it possible to react to an unsuccessful attempt as described above, by displaying the login screen with an error message? 6. How can point (4) of the requirements be realized? thx rupsi __________________________________ Do you Yahoo!? Read only the mail you want - Yahoo! Mail SpamGuard. http://promotions.yahoo.com/new_mail