$fields = ['item-uri', 'reply-to-uri', 'conversation-uri', 'conversation-href', 'protocol', 'source'];
$old_conv = DBA::selectFirst('conversation', $fields, ['item-uri' => $conversation['item-uri']]);
$fields = ['item-uri', 'reply-to-uri', 'conversation-uri', 'conversation-href', 'protocol', 'source'];
$old_conv = DBA::selectFirst('conversation', $fields, ['item-uri' => $conversation['item-uri']]);