- $search = mb_convert_case($searchterms, MB_CASE_LOWER, 'UTF-8');
- $explodedSearch = explode(' ', trim($search));
+ $search = mb_convert_case(html_entity_decode($searchterms), MB_CASE_LOWER, 'UTF-8');
+ $exactRegex = '/"([^"]+)"/';
+ // Retrieve exact search terms.
+ preg_match_all($exactRegex, $search, $exactSearch);
+ $exactSearch = array_values(array_filter($exactSearch[1]));
+
+ // Remove exact search terms to get AND terms search.
+ $explodedSearchAnd = explode(' ', trim(preg_replace($exactRegex, '', $search)));
+ $explodedSearchAnd = array_values(array_filter($explodedSearchAnd));
+
+ // Filter excluding terms and update andSearch.
+ $excludeSearch = array();
+ $andSearch = array();
+ foreach ($explodedSearchAnd as $needle) {
+ if ($needle[0] == '-' && strlen($needle) > 1) {
+ $excludeSearch[] = substr($needle, 1);
+ } else {
+ $andSearch[] = $needle;
+ }
+ }
+