(PECL solr >= 2.3.0)
SolrInputDocument::addChildDocuments — Adds an array of child documents
Adds an array of child documents to the current input document.
docsAn array of SolrInputDocument objects.
没有返回值。
示例 #1 SolrInputDocument::addChildDocuments() example
<?php
include "bootstrap.php";
$options = array
(
    'hostname' => SOLR_SERVER_HOSTNAME,
    'login'    => SOLR_SERVER_USERNAME,
    'password' => SOLR_SERVER_PASSWORD,
    'port'     => SOLR_SERVER_PORT,
    'path'     => SOLR_SERVER_STORE_PATH,
);
$client = new SolrClient($options);
$product = new SolrInputDocument();
$product->addField('id', 'P-BLACK');
$product->addField('cat', 'tshirt');
$product->addField('cat', 'polo');
$product->addField('content_type', 'product');
$small = new SolrInputDocument();
$small->addField('id', 'TS-BLK-S');
$small->addField('content_type', 'sku');
$small->addField('size', 'S');
$small->addField('inventory', 100);
$medium = new SolrInputDocument();
$medium->addField('id', 'TS-BLK-M');
$medium->addField('content_type', 'sku');
$medium->addField('size', 'M');
$medium->addField('inventory', 200);
$large = new SolrInputDocument();
$large->addField('id', 'TS-BLK-L');
$large->addField('content_type', 'sku');
$large->addField('size', 'L');
$large->addField('inventory', 300);
// add child documents 
$skus = [$small, $medium, $large];
$product->addChildDocuments($skus);
// add the product document block to the index
$updateResponse = $client->addDocument(
        $product,
        true, // overwrite if the document exists
        10000 // commit within 10 seconds
);
print_r($updateResponse->getResponse());以上示例的输出类似于:
SolrObject Object
(
    [responseHeader] => SolrObject Object
        (
            [status] => 0
            [QTime] => 5
        )
)
