throw new AuthException("No such user");
}
}
}
}
// subclass exceptions
class FileException extends Exception
{
}
class AuthException extends Exception
{
}
// try the code
try {
// create instance
$ua = new userAuth("joe", "secret");
// set password file
$ua->setPasswdFile("password.txt");
// perform authentication
$ua->authenticateUser();
} catch (FileException $e) {
// print file errors
print "A file error occurred. " . $e->getMessage();
} catch (AuthException $e) {
// an authentication error occurred
print "An authentication error occurred. " . $e->getMessage();
// more normally, redirect to new page on auth errors, e.g.
// header ('Location: login_fail.php');
} catch (Exception $e) {
print "An unknown error occurred";
}