DmitryDulepov\Realurl\Configuration\ConfigurationReader::setRootPageIdFromTopLevelPages PHP Method

    protected function setRootPageIdFromTopLevelPages()
    {
        /** @noinspection PhpUndefinedMethodInspection */
        $rows = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows('uid', 'pages', 'pid=0 AND doktype IN (1,2,4) AND deleted=0 AND hidden=0');
        if (count($rows) !== 1) {
            // Cannot be done: too many of them!
            throw new \Exception('RealURL was not able to find the root page id for the domain "' . $this->utility->getCurrentHost() . '"', 1420480982);
        }
        $this->configuration['pagePath']['rootpage_id'] = (int) $rows[0]['uid'];
        return TRUE;
    }