PHP. Руководство по PHP. 2005
imap_mime_header_decode
imap_mime_header_decode
Description
array imap_mime_header_decode (string text)imap_mime_header_decode() function decodes
MIME message header extensions that are non ASCII text
(see RFC2047)
The decoded elements are returned in an array of objects,
where each object has two properties, "charset" and "text".
If the element hasn't been encoded, and in other words is in
plain US-ASCII,the "charset" property of that element is set to
"default".
In the above example we would have two elements, whereas the first
element had previously been encoded with ISO-8859-1, and the second
element would be plain US-ASCII.
imap_mailboxmsginfo
imap_msgno
Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.