Contao\Messages::languageFallback PHP Метод

    public function languageFallback()
    {
        $arrRoots = array();
        $time = \Date::floorToMinute();
        $objRoots = $this->Database->execute("SELECT fallback, dns FROM tl_page WHERE type='root' AND (start='' OR start<='{$time}') AND (stop='' OR stop>'" . ($time + 60) . "') AND published='1' ORDER BY dns");
        while ($objRoots->next()) {
            $strDns = $objRoots->dns ?: '*';
            if (isset($arrRoots[$strDns]) && $arrRoots[$strDns] == 1) {
                continue;
            }
            $arrRoots[$strDns] = $objRoots->fallback;
        }
        $arrReturn = array();
        foreach ($arrRoots as $k => $v) {
            if ($v != '') {
                continue;
            }
            if ($k == '*') {
                $arrReturn[] = '<p class="tl_error">' . $GLOBALS['TL_LANG']['ERR']['noFallbackEmpty'] . '</p>';
            } else {
                $arrReturn[] = '<p class="tl_error">' . sprintf($GLOBALS['TL_LANG']['ERR']['noFallbackDns'], $k) . '</p>';
            }
        }
        return implode("\n", $arrReturn);
    }