--TEST-- Bug #3513 Support of RFC2231 in header fields. (ISO-2022-JP) --SKIPIF-- --FILE-- addAttachment('testfile',"text/plain", $test, FALSE, 'base64', 'attachment', 'iso-2022-jp', ''); $root = $Mime->_addMixedPart(); $enc = $Mime->_addAttachmentPart($root, $Mime->_parts[0]); print($enc->_headers['Content-Disposition']); ?> --EXPECT-- attachment; filename*=iso-2022-jp''%1B$BF|K%5C8l%1B%28B.txt