AlgoliaSearch\Index::partialUpdateObject PHP Method

    public function partialUpdateObject($partialObject, $createIfNotExists = true)
    {
        $queryString = $createIfNotExists ? '' : '?createIfNotExists=false';
        return $this->client->request($this->context, 'POST', '/1/indexes/' . $this->urlIndexName . '/' . urlencode($partialObject['objectID']) . '/partial' . $queryString, array(), $partialObject, $this->context->writeHostsArray, $this->context->connectTimeout, $this->context->readTimeout);
    }