Message::prepareParamsForSearch

protected function prepareParamsForSearch(Chat $chat, array $filter, array $order): array
{
	[$messageFilter, $messageOrder] = $this->prepareParamsForTail($chat, $filter, $order);

	if (isset($filter['searchMessage']) && is_string($filter['searchMessage']))
	{
		$messageFilter['SEARCH_MESSAGE'] = trim($filter['searchMessage']);
	}

	return [$messageFilter, $messageOrder];
}