protected function getIPv4Address()
    {
        return $this->{$this->ipTypeAttribute} == IP::IPv4 ? inet_ntop($this->{$this->ipAttribute}) : null;
    }
protected function getIPv4Address()
    {
        return $this->{$this->ipTypeAttribute} == IP::IPv4 ? inet_ntop($this->{$this->ipAttribute}) : null;
    }
protected function getIPv4Address ( ) { return $ this -> { $ this -> ipTypeAttribute } == IP :: IPv4 ? inet_ntop ( $ this -> { $ this -> ipAttribute } ) : null ; }
Get the IPv4 address.
@return string
Get the IPv4 address .