application/modules/g/controllers/AuthController.php
protected function _beforeLogin(
        array $authVars, Garp_Auth_Adapter_Abstract $adapter, array $postData
    ) {
        if ($loginHelper = $this->_getLoginHelper()) {
            $loginHelper->beforeLogin($authVars, $adapter, $postData);
        }
    }
protected function _beforeLogin(
        array $authVars, Garp_Auth_Adapter_Abstract $adapter, array $postData
    ) {
        if ($loginHelper = $this->_getLoginHelper()) {
            $loginHelper->beforeLogin($authVars, $adapter, $postData);
        }
    }
protected function _beforeLogin ( array $ authVars , Garp_Auth_Adapter_Abstract $ adapter , array $ postData ) { if ( $ loginHelper = $ this -> _getLoginHelper ( ) ) { $ loginHelper -> beforeLogin ( $ authVars , $ adapter , $ postData ) ; } }
Before login hook

@param array $authVars Containing auth-related configuration.
@param Garp_Auth_Adapter_Abstract $adapter The chosen adapter.
@param array $postData
@return void
Before login hook