Sentry if v exception

exception

try {
	$this->sentry->authenticate(array(
		'email' => $email,
		'password' => $password,
	), (bool) $this->input->post('remember'));

} catch (Cartalyst\Sentry\Users\UserNotFoundException $e) {

	// Could not log in with password. Maybe its an old style pass?
	try {
	
		// Try logging in with this double-hashed password
		$this->sentry->authenticate(array(
			'email' => $email,
			'password' => whacky_old_password_hasher($email, $password),
		), (bool) $this->input->post('remember'));

	} catch (Cartalyst\Sentry\Users\UserNotFoundException $e) {
		$this->form_validation->set_message('_check_login', 'Incorrect login.');
		return false;
	}

} catch (Exception $e) {
	$this->form_validation->set_message('_check_login', $e->getMessage());
	return false;
}

if

$result = $this->sentry->authenticate(array(
  'email' => $email,
	'password' => $password,
), (bool) $this->input->post('remember'));

if ($result->getErrorCode() === MyAuth::INCORRECT_CREDENTIALS) {
	// Try logging in with this double-hashed password
	$result = $this->sentry->authenticate(array(
		'email' => $email,
		'password' => whacky_old_password_hasher($email, $password),
	), (bool) $this->input->post('remember'));
}

if ($result->getErrorCode()) {
	$this->form_validation->set_message('_check_login', $e->getMessage());
	return false;
}