<?php
$options = array
(
'hostname' => SOLR_SERVER_HOSTNAME,
'login' => SOLR_SERVER_USERNAME,
'password' => SOLR_SERVER_PASSWORD,
'port' => SOLR_SERVER_PORT,
);
$client = new SolrClient($options);
$query = new SolrQuery('*:*');
$query->setFacet(true);
$query->addFacetQuery('price:[* TO 500]')->addFacetQuery('price:[500 TO *]');
$query_response = $client->query($query);
$response = $query_response->getResponse();
print_r($response->facet_counts->facet_queries);
?>
SolrObject Object
(
[price:[* TO 500]] => 14
[price:[500 TO *]] => 2
)