function authenticate() {
Header( "WWW-authenticate: basic realm='Test System'");
Header( "HTTP/1.0 401 Unauthorized");
echo "You must enter a valid login ID and password to access this resource\n";
exit;
}
if(!isset($PHP_AUTH_USER) || ($SeenBefore == 1 && !strcmp($OldAuth, $PHP_AUTH_USER)) ) {
authenticate();
}
else {
echo "Welcome: $PHP_AUTH_USER
";
echo "Old: $OldAuth";
echo "\n";
echo "\n";
echo "\n";
echo "\n";
echo "\n";
}
?>