+$activeFilters = array();
+foreach ($filters as $type => $value) {
+ $activeFilters[$type] = array(
+ 'label' => $value,
+ 'removeUrl' => buildLink($baseLink, $filters, $type, null),
+ );
+}
+
+function buildLink($baseLink, $filters, $addFilterType, $addFilterValue)
+{
+ if ($addFilterValue === null) {
+ if (array_key_exists($addFilterType, $filters)) {
+ unset($filters[$addFilterType]);
+ }
+ } else {
+ $filters[$addFilterType] = $addFilterValue;
+ }
+
+ $params = http_build_query(array('filter' => $filters));
+ if (strlen($params)) {
+ return $baseLink . '&' . $params;
+ }
+ return $baseLink;
+}
+
+if (preg_match('#site:([^ ]*)#', $query, $matches)) {
+ $site = $matches[1];
+ $cleanQuery = trim(str_replace('site:' . $site, '', $query));
+ $site = Helper::noSchema($site);
+ $urlNoSite = buildLink('?q=' . urlencode($cleanQuery), $filters, null, null);
+} else {
+ $cleanQuery = $query;
+ $urlNoSite = null;
+}