eZ\Publish\Core\FieldType\MapLocation\Type::getSortInfo PHP Method

getSortInfo() protected method

Returns information for FieldValue->$sortKey relevant to the field type.
protected getSortInfo ( Value $value ) : string
$value eZ\Publish\Core\FieldType\Value
return string
    protected function getSortInfo(BaseValue $value)
    {
        return $this->transformationProcessor->transformByGroup((string) $value, 'lowercase');
    }