(PECL mailparse >= 0.9.0)
mailparse_msg_extract_part — Extracts/decodes a message section
$mimemail
, string $msgbody
[, callable $callbackfunc
] ) : void��������δ��д�ĵ������в����б�
mimemail
A valid MIME resource.
msgbody
callbackfunc
û�з���ֵ��