Description:
------------
The function imap_mail_compose doesn?t work as we wait. It doesn?t return the MIME message, just the separator between parts of the MIME message. I have tested in two different linux server provider and both have the same problem. They have recompiled php for linux thinking that maybe they are missed some library but the result is the same. Even one of them have tried to fix a patch but the result is the same: the function is not working properly.

Reproduce code:
---------------
<?php

/* This is the example code of the documentation of php */

$envelope["from"]= "joe@example.com";
$envelope["to"]  = "foo@example.com";
$envelope["cc"]  = "bar@example.com";

$part1["type"] = TYPEMULTIPART;
$part1["subtype"] = "mixed";

$filename = "/tmp/imap.c.gz";
$fp = fopen($filename, "r");
$contents = fread($fp, filesize($filename));
fclose($fp);

$part2["type"] = TYPEAPPLICATION;
$part2["encoding"] = ENCBINARY;
$part2["subtype"] = "octet-stream";
$part2["description"] = basename($filename);
$part2["contents.data"] = $contents;

$part3["type"] = TYPETEXT;
$part3["subtype"] = "plain";
$part3["description"] = "description3";
$part3["contents.data"] = "contents.data3\n\n\n\t";

$body[1] = $part1;
$body[2] = $part2;
$body[3] = $part3;

echo nl2br(imap_mail_compose($envelope, $body));

?> 

Expected result:
----------------
From: joe@example.com
To: foo@example.com
cc: bar@example.com
MIME-Version: 1.0
Content-Type: MULTIPART/mixed; BOUNDARY="150-2734-1106469717=:2576"

--150-2734-1106469717=:2576
Content-Type: APPLICATION/octet-stream
Content-Transfer-Encoding: BASE64
Content-Description: 



--150-2734-1106469717=:2576
Content-Type: TEXT/plain; CHARSET=US-ASCII
Content-Description: description3

contents.data3



--150-2734-1106469717=:2576--


Actual result:
--------------
---1260887309-1804289383-1106469691=:22016--