public function &getMimeNumbers(&$structure, $no_refs = false, $mime_number = "", $prepend = "")
{
$return = array();
if (!empty($structure->parts)) {
if ($mime_number != "") {
$structure->mime_id = $prepend . $mime_number;
$return[$prepend . $mime_number] =& $structure;
}
for ($i = 0; $i < count($structure->parts); $i++) {
if (!empty($structure->headers["content-type"]) && substr(strtolower($structure->headers["content-type"]), 0, 8) == "message/") {
$prepend = $prepend . $mime_number . ".";
$_mime_number = "";
} else {
$_mime_number = $mime_number == "" ? $i + 1 : sprintf("%s.%s", $mime_number, $i + 1);
}
$arr =& Mail_mimeDecode::getmimenumbers($structure->parts[$i], $no_refs, $_mime_number, $prepend);
foreach ($arr as $key => $val) {
$no_refs ? $return[$key] : ($return[$key] =& $arr[$key]);
}
}
} else {
if ($mime_number == "") {
$mime_number = "1";
}
$structure->mime_id = $prepend . $mime_number;
$no_refs ? $return[$prepend . $mime_number] : ($return[$prepend . $mime_number] =& $structure);
}
return $return;
}