protected function size_unit_converter_to_any($unit_value, $from_unit_type, $to_any_type) { $MeasurementFactoryObj = MeasurementFactory::build($from_unit_type); try { return $MeasurementFactoryObj->get_result($to_any_type, $unit_value); } catch (Exception $e) { $this->set_error("Invalid unit type: " . $from_unit_type); $this->set_error($e); return FALSE; } }