src/Filter/Setting/SimpleLookup.php
private function determineFilterValue($filterValues, $valueName)
    {
        if (!isset($filterValues[$valueName]) && $this->get('defaultid')) {
            return $this->get('defaultid');
        }

        return $filterValues[$valueName];
    }
private function determineFilterValue($filterValues, $valueName)
    {
        if (!isset($filterValues[$valueName]) && $this->get('defaultid')) {
            return $this->get('defaultid');
        }

        return $filterValues[$valueName];
    }
Determine the filter value from the passed values.

@param array  $filterValues The filter values.
@param string $valueName    The parameter name to obtain.

@return mixed|null