createSelect(); $query->setFields(array('id')); // get a plugin instance and apply settings $prefetch = $client->getPlugin('prefetchiterator'); $prefetch->setPrefetch(2); //fetch 2 rows per query (for real world use this can be way higher) $prefetch->setQuery($query); // display the total number of documents found by solr echo 'NumFound: ' . count($prefetch); // show document IDs using the resultset iterator foreach ($prefetch as $document) { echo '

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ID: '. $document->id; } htmlFooter();