- if ($do_search && ! $sm_language && isset($HTTP_ACCEPT_LANGUAGE)) {
- $sm_language = substr($HTTP_ACCEPT_LANGUAGE, 0, 2);
+ if ($do_search && ! $sm_language && isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
+ $sm_language = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);