function getNextLevels($deltaLevel)
    {
        $prevLevels = $this->getPrevLevels($deltaLevel);
        $return = $this->getLevels();
        foreach ($return as $key => $level) {
            if (in_array($level, $prevLevels) || $level == $deltaLevel) {
                unset($return[$key]);
            }
        }
        return array_values($return);
    }
function getNextLevels($deltaLevel)
    {
        $prevLevels = $this->getPrevLevels($deltaLevel);
        $return = $this->getLevels();
        foreach ($return as $key => $level) {
            if (in_array($level, $prevLevels) || $level == $deltaLevel) {
                unset($return[$key]);
            }
        }
        return array_values($return);
    }
function getNextLevels ( $ deltaLevel ) { $ prevLevels = $ this -> getPrevLevels ( $ deltaLevel ) ; $ return = $ this -> getLevels ( ) ; foreach ( $ return as $ key => $ level ) { if ( in_array ( $ level , $ prevLevels ) || $ level == $ deltaLevel ) { unset ( $ return [ $ key ] ) ; } } return array_values ( $ return ) ; }
Get levels that come after to the requested level, not including the requested level
@param string $deltaLevel Name of level
@return array of level names
Get levels that come after to the requested level not including the requested level