Pimcore\Model\Object\ClassDefinition\Data\Multihref::marshal PHP Method

    public function marshal($value, $object = null, $params = [])
    {
        if (is_array($value)) {
            $result = [];
            foreach ($value as $element) {
                $type = Element\Service::getType($element);
                $id = $element->getId();
                $result[] = ["type" => $type, "id" => $id];
            }
            return $result;
        }
        return null;
    }