(PECL mailparse >= 0.9.0)
mailparse_msg_extract_whole_part_file — Extracts a message section including headers without decoding the transfer encoding
$mimemail
, string $filename
[, callable $callbackfunc
] ) : string��������δ��д�ĵ������в����б�
mimemail
A valid MIME resource.
filename
callbackfunc