// custom code to alter rows
list($from1, $to1) = $this->getFromTo(CRM_Utils_Array::value("receive_date1_relative", $this->_params),
CRM_Utils_Array::value("receive_date1_from", $this->_params),
// custom code to alter rows
list($from1, $to1) = $this->getFromTo(CRM_Utils_Array::value("receive_date1_relative", $this->_params),
CRM_Utils_Array::value("receive_date1_from", $this->_params),