public function adjust()

in workshop/01_Navigation/05_Find_usages/5.1_Highlight_Usages_in_File.php [25:37]


    public function adjust($original, $delta)
    {
        $newValue = $original + $delta;

        if ($newValue < self::MIN_VALUE) {
            $newValue = self::MAX_VALUE;
        }
        if ($newValue > self::MIN_VALUE) {
            $newValue = self::MAX_VALUE;
        }

        return $newValue;
    }