Pimcore\Model\Object\ClassDefinition\Data\MultihrefMetadata::rewriteIds PHP Method

    public function rewriteIds($object, $idMapping, $params = [])
    {
        $data = $this->getDataFromObjectParam($object, $params);
        if (is_array($data)) {
            foreach ($data as &$metaObject) {
                $eo = $metaObject->getObject();
                if ($eo instanceof Element\ElementInterface) {
                    $id = $eo->getId();
                    $type = Element\Service::getElementType($eo);
                    if (array_key_exists($type, $idMapping) && array_key_exists($id, $idMapping[$type])) {
                        $newElement = Element\Service::getElementById($type, $idMapping[$type][$id]);
                        $metaObject->setObject($newElement);
                    }
                }
            }
        }
        return $data;
    }