a way to sort islandora solr facets

islandorasolrfacetsort

$results_sorted = array();
foreach ($results as $key => $row) {
  $results_sorted[$key]  = $row['bucket'];
}
$results_sorted = array_map('strtolower', $results_sorted);
array_multisort($results_sorted, SORT_ASC, $results);