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| /dokuwiki/inc/ |
| H A D | Ip.php | da569c7faab5733df1c75ed6eaaa93a85453bb0a Wed Jul 23 23:46:59 UTC 2025 WillForan <willforan@gmail.com> refactor: ipv6_upper_lower_32 from ipToNumber
pull 32-bit specific code into it's own function
hopefully to be tested in _test/tests/inc/Ip.test.php (?)
Stuck on differnce between J2 and N4
J should be **unsigned** 64 bit, big endian byte order long
but see negatives!?
$ip = inet_pton('ffff:ffff:ffff:fff0:ffff:ffff:ffff:ffff');
print_r(unpack('J2', $ip));
Array
(
[1] => -16
[2] => -1
)
For reference
print_r(unpack('N4', $ip));
Array
(
[1] => 4294967295
[2] => 4294967280
[3] => 4294967295
[4] => 4294967295
)
print_r(unpack('v8', $ip));
Array
(
[1] => 65535
[2] => 65535
[3] => 65535
[4] => 61695
[5] => 65535
[6] => 65535
[7] => 65535
[8] => 65535
)
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