+ /* construct the search query, taking multiple search terms into account */
+ $multi_search = array();
+ $search_what = trim($search_what);
+ $search_what = ereg_replace('[ ]{2,}', ' ', $search_what);
+ $multi_search = explode(' ', $search_what);
+ $search_string = '';
+
+ /* it seems macosx does not support the prefered search
+ syntax so we fall back to the older style. This IMAP
+ server has a problem with multiple search terms. Instead
+ of returning the messages that match all the terms it
+ returns the messages that match each term. Could be fixed
+ on the client side, but should be fixed on the server
+ as per the RFC */
+
+ if ($imap_server_type == 'macosx') {
+ foreach ($multi_search as $multi_search_part) {
+ if (strtoupper($languages[$squirrelmail_language]['CHARSET']) == 'ISO-2022-JP') {
+ $multi_search_part = mb_convert_encoding($multi_search_part, 'JIS', 'auto');
+ }
+ $search_string .= $search_where . ' ' .$multi_search_part . ' ';
+ }
+ }
+ else {
+ foreach ($multi_search as $multi_search_part) {
+ if (strtoupper($languages[$squirrelmail_language]['CHARSET']) == 'ISO-2022-JP') {
+ $multi_search_part = mb_convert_encoding($multi_search_part, 'JIS', 'auto');
+ }
+ $search_string .= $search_where . ' {' . strlen($multi_search_part)
+ . "}\r\n" . $multi_search_part . ' ';
+ }
+ }
+
+ $search_string = trim($search_string);
+
+ /* now use $search_string in the imap search */
+ if ($allow_charset_search && isset($languages[$squirrelmail_language]['CHARSET']) &&