$disposition = $this->getHeader('content-disposition', '/(inline|attachment)/i');
$boundary = $this->getHeader('content-type', '/boundary="?([^ "]+?)"?\s*(;|$)/i');
$charset = strtolower($this->getHeader('content-type', '/charset="?([^ "]+?)"?\s*(;|$)/i'));
$disposition = $this->getHeader('content-disposition', '/(inline|attachment)/i');
$boundary = $this->getHeader('content-type', '/boundary="?([^ "]+?)"?\s*(;|$)/i');
$charset = strtolower($this->getHeader('content-type', '/charset="?([^ "]+?)"?\s*(;|$)/i'));