/**
* Method to get the list of messages an email/note references
*
* @access private
* @param string $msg_id The ID of the parent message
* @param string $type If this is a note or an email
* @param array $references The array the references will be stored in.
*/
function _getReferences($msg_id, $type, &$references)
{
$references[] = $msg_id;
if ($type == 'note') {
$class = 'Note';
} else {
$class = 'Support';
}
$parent_msg_id = call_user_func(array($class, 'getParentMessageIDbyMessageID'), $msg_id);
if (!empty($parent_msg_id)) {
Mail_API::_getReferences($parent_msg_id, $type, $references);
}
}
