XOOPS / XoopsCore25

        return self::getSubpart($pos, $part, $haystack, $encoding);

    }

    public static function mb_strrchr($haystack, $needle, $part = false, $encoding = null)

    {

        $encoding = self::getEncoding($encoding);

        $needle = self::mb_substr($needle, 0, 1, $encoding);

        $pos = iconv_strrpos($haystack, $needle, $encoding);

        return self::getSubpart($pos, $part, $haystack, $encoding);

    }

    public static function mb_strrichr($haystack, $needle, $part = false, $encoding = null)

    {

        return self::getSubpart($pos, $part, $haystack, $encoding);

    }

    public static function mb_strrichr($haystack, $needle, $part = false, $encoding = null)

    {

        $needle = self::mb_substr($needle, 0, 1, $encoding);

        $pos = self::mb_strripos($haystack, $needle, $encoding);

        return self::getSubpart($pos, $part, $haystack, $encoding);

    }

    public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = null)

    {