$old = imap_utf7_decode_local($old);
if (strpos($old, $delimiter)) {
- $old_name = substr($old, strrpos($old, $delimiter)+1, strlen($old));
+ $old_name = substr($old, strrpos($old, $delimiter)+1);
// hide default prefix (INBOX., mail/ or other)
$quoted_prefix=preg_quote($default_folder_prefix,'/');
$prefix_length=(preg_match("/^$quoted_prefix/",$old) ? strlen($default_folder_prefix) : 0);