Classes/Utility/GeneralUtility.php
public static function getRootLine($uid = null)
    {
        if ($uid === null) {
            #################
            # Current rootline
            #################
            if (empty(self::$rootlineCache['__CURRENT__'])) {
                // Current rootline
                $rootline = $GLOBALS['TSFE']->tmpl->rootLine;

                // Filter rootline by siteroot
                $rootline = self::filterRootlineBySiteroot((array)$rootline);

                self::$rootlineCache['__CURRENT__'] = $rootline;
            }

            $ret = self::$rootlineCache['__CURRENT__'];
        } else {
            #################
            # Other rootline
            #################
            if (empty(self::$rootlineCache[$uid])) {
                // Fetch full rootline to TYPO3 root (0)
                $rootline = self::getSysPageObj()->getRootLine($uid);

                // Filter rootline by siteroot
                $rootline = self::filterRootlineBySiteroot((array)$rootline);

                self::$rootlineCache[$uid] = $rootline;
            }

            $ret = self::$rootlineCache[$uid];
        }

        return $ret;
    }
public static function getRootLine($uid = null)
    {
        if ($uid === null) {
            #################
            # Current rootline
            #################
            if (empty(self::$rootlineCache['__CURRENT__'])) {
                // Current rootline
                $rootline = $GLOBALS['TSFE']->tmpl->rootLine;

                // Filter rootline by siteroot
                $rootline = self::filterRootlineBySiteroot((array)$rootline);

                self::$rootlineCache['__CURRENT__'] = $rootline;
            }

            $ret = self::$rootlineCache['__CURRENT__'];
        } else {
            #################
            # Other rootline
            #################
            if (empty(self::$rootlineCache[$uid])) {
                // Fetch full rootline to TYPO3 root (0)
                $rootline = self::getSysPageObj()->getRootLine($uid);

                // Filter rootline by siteroot
                $rootline = self::filterRootlineBySiteroot((array)$rootline);

                self::$rootlineCache[$uid] = $rootline;
            }

            $ret = self::$rootlineCache[$uid];
        }

        return $ret;
    }
public static function getRootLine ( $ uid = null ) { if ( $ uid === null ) { ################# # Current rootline ################# if ( empty ( self :: $ rootlineCache [ '__CURRENT__' ] ) ) { // Current rootline $ rootline = $ GLOBALS [ 'TSFE' ] -> tmpl -> rootLine ; // Filter rootline by siteroot $ rootline = self :: filterRootlineBySiteroot ( ( array ) $ rootline ) ; self :: $ rootlineCache [ '__CURRENT__' ] = $ rootline ; } $ ret = self :: $ rootlineCache [ '__CURRENT__' ] ; } else { ################# # Other rootline ################# if ( empty ( self :: $ rootlineCache [ $ uid ] ) ) { // Fetch full rootline to TYPO3 root (0) $ rootline = self :: getSysPageObj ( ) -> getRootLine ( $ uid ) ; // Filter rootline by siteroot $ rootline = self :: filterRootlineBySiteroot ( ( array ) $ rootline ) ; self :: $ rootlineCache [ $ uid ] = $ rootline ; } $ ret = self :: $ rootlineCache [ $ uid ] ; } return $ ret ; }
Get current root line

@param   integer|null $uid Page UID

@return  array
Get current root line