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16. Appendix D User authentication Example

To get this file, in the web-browser, save this file as 'Text' type as user_pw.lib

From the PHP 3 Manual: Works only if PHP is an Apache module. Instead of simply printing out the $PHP_AUTH_USER and $PHP_AUTH_PW, you would probably want to check the username and password for validity. Perhaps by sending a query to a database, or by looking up the user in a dbm file.

<?php
        if (!$PHP_AUTH_USER)
        {
                Header("WWW-authenticate: basic realm=\"My Realm\"");
                Header("HTTP/1.0 401 Unauthorized");
                echo "Text to send if user hits Cancel button\n";
                exit;
        }
        else
        {
                echo "Hello $PHP_AUTH_USER.<P>";
                echo "You entered $PHP_AUTH_PW as your password.<P>";
        }
?>

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