SOLR_SERVER_HOSTNAME, 'login' => SOLR_SERVER_USERNAME, 'password' => SOLR_SERVER_PASSWORD, 'port' => SOLR_SERVER_PORT, 'path' => SOLR_SERVER_PATH, ); $client = new SolrClient($options); $query = new SolrQuery(); $query->setTerms(true); $query->setTermsField('cat'); $updateResponse = $client->query($query); print_r($updateResponse->getResponse());