protected function long2ip($long, $abbr = true)
    {
        switch(static::NB_BITS)
        {
            case 128:
                return $this->long2ip6($long, $abbr);
            default:
                return strval(long2ip($long));
        }
    }
protected function long2ip($long, $abbr = true)
    {
        switch(static::NB_BITS)
        {
            case 128:
                return $this->long2ip6($long, $abbr);
            default:
                return strval(long2ip($long));
        }
    }
protected function long2ip ( $ long , $ abbr = true ) { switch ( static :: NB_BITS ) { case 128 : return $ this -> long2ip6 ( $ long , $ abbr ) ; default : return strval ( long2ip ( $ long ) ) ; } }
Convert a Long to IP Notation

@param string  $long Long
@param boolean $abbr Whether or not use short notation

@return string IP
Convert a Long to IP Notation