protected final function _isValidInt($key,$value){

        if(!is_numeric($value) || strpos($value,'.') !== false){
            return $this->setError($key,"`{$key}` must be a integer");
        }//if

        if(!$this->_isBetweenMinAndMax($key,$value)){
            return false;
        }//if

        return true;

    }