|
function getStructurePartType($structure, $part)
|
{
|
$part_a = self::getPartArray($structure, $part);
|
if (!empty($part_a)) {
|
if (is_array($part_a[0]))
|
return 'multipart';
|
else if ($part_a[0])
|
return $part_a[0];
|
}
|
|
return 'other';
|
}
|
|
function getStructurePartEncoding($structure, $part)
|
{
|
$part_a = self::getPartArray($structure, $part);
|
if ($part_a) {
|
if (!is_array($part_a[0]))
|
return $part_a[5];
|
}
|
|
return '';
|
}
|
|
function getStructurePartCharset($structure, $part)
|
{
|
$part_a = self::getPartArray($structure, $part);
|
if ($part_a) {
|
if (is_array($part_a[0]))
|
return '';
|
else {
|
if (is_array($part_a[2])) {
|
$name = '';
|
while (list($key, $val) = each($part_a[2]))
|
if (strcasecmp($val, 'charset') == 0)
|
return $part_a[2][$key+1];
|
}
|
}
|
}
|
|
return '';
|
}
|
|
function getStructurePartArray($a, $part)
|
{
|
if (!is_array($a)) {
|
return false;
|
}
|
if (strpos($part, '.') > 0) {
|
$original_part = $part;
|
$pos = strpos($part, '.');
|
$rest = substr($original_part, $pos+1);
|
$part = substr($original_part, 0, $pos);
|
if ((strcasecmp($a[0], 'message') == 0) && (strcasecmp($a[1], 'rfc822') == 0)) {
|
$a = $a[8];
|
}
|
return self::getPartArray($a[$part-1], $rest);
|
}
|
else if ($part>0) {
|
if (!is_array($a[0]) && (strcasecmp($a[0], 'message') == 0)
|
&& (strcasecmp($a[1], 'rfc822') == 0)) {
|
$a = $a[8];
|
}
|
if (is_array($a[$part-1]))
|
return $a[$part-1];
|
else
|
return $a;
|
}
|
else if (($part == 0) || (empty($part))) {
|
return $a;
|
}
|
}
|
