PHPDaemon\Clients\IMAP\Connection::fetch PHP Метод

    protected function fetch($items, $from, $to = null, $uid = false, $tag = self::TAG_FETCH)
    {
        if (is_array($from)) {
            $set = implode(',', $from);
        } elseif ($to === null) {
            $set = (int) $from;
        } elseif ($to === INF) {
            $set = (int) $from . ':*';
        } else {
            $set = (int) $from . ':' . (int) $to;
        }
        $this->writeln($tag . ($uid ? ' UID' : '') . " FETCH {$set} " . $this->escapeList((array) $items));
    }