protected function _isFilterRequest()
    {
        return (
            $this->controller !== null  &&
            $this->request !== null &&
            $this->action !== null &&
            $this->_filterEnabled
        );
    }
protected function _isFilterRequest()
    {
        return (
            $this->controller !== null  &&
            $this->request !== null &&
            $this->action !== null &&
            $this->_filterEnabled
        );
    }
protected function _isFilterRequest ( ) { return ( $ this -> controller !== null && $ this -> request !== null && $ this -> action !== null && $ this -> _filterEnabled ) ; }
Check if the current request is a filter request.

@return bool
Check if the current request is a filter request .