application/modules/g/controllers/AuthController.php
protected function _getLoginHelper() {
        $loginHelper = $this->_helper->getHelper('Login');
        if (!$loginHelper) {
            return null;
        }
        if (!$loginHelper instanceof Garp_Controller_Helper_Login) {
            throw new Garp_Auth_Exception(self::EXCEPTION_INVALID_LOGIN_HELPER);
        }
        return $loginHelper;
    }
protected function _getLoginHelper() {
        $loginHelper = $this->_helper->getHelper('Login');
        if (!$loginHelper) {
            return null;
        }
        if (!$loginHelper instanceof Garp_Controller_Helper_Login) {
            throw new Garp_Auth_Exception(self::EXCEPTION_INVALID_LOGIN_HELPER);
        }
        return $loginHelper;
    }
protected function _getLoginHelper ( ) { $ loginHelper = $ this -> _helper -> getHelper ( 'Login' ) ; if ( ! $ loginHelper ) { return null ; } if ( ! $ loginHelper instanceof Garp_Controller_Helper_Login ) { throw new Garp_Auth_Exception ( self :: EXCEPTION_INVALID_LOGIN_HELPER ) ; } return $ loginHelper ; }
Get the Login helper, if registered.

@return Zend_Controller_Action_Helper_Abstract
Get the Login helper if registered .