wrossmann/sixtofour

Library for conversion of IPv4 addresses to 6to4-encapsulated IPv6.

SixToFour

Library for conversion of IPv4 addresses to 6to4-encapsulated IPv6., _(*1)

Example Usage

<?php 
require('vendor/autoload.php');
use \wrossmann\sixtofour\SixToFour;

$v4 = '222.173.190.239';
$v6 = SixToFour::convFourToSix($v4);
$bin = SixToFour::str2bin($v4);
var_dump(
    bin2hex($bin),
    SixToFour::bin2str($bin),
    SixToFour::bin2str($bin, true),
    SixToFour::convSixToFour($v6)
);

Output:, _(*2)

string(32) "200200de00ad00be00ef000000000000"
string(15) "222.173.190.239"
string(18) "2002:de:ad:be:ef::"
string(15) "222.173.190.239"