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dTR-IP

An IPv4/v6 Helper Suite for PHP

Usage:

This class takes both IPv6 (expanded and condensed) and IPv4 addresses into consideration.

You can create the class by passing an IP and CIDR mask one of two ways:

$net = new dTRIP("fe80:dead:15:a:bad:1dea:11:2234/93");
// or
$net = new dTRIP("fe80:dead:15:a:bad:1dea:11:2234", 93);

You can then access different aspects of a network:

$net->getIP(); // returns IP
$net->getCIDR(); // returns CIDR
$net->getNetwork() // return Network ID
$net->getBroadcast() // return Broadcast ID

There is a __toString() method which will return a JSON-encoded string on the class object:

echo new dTRIP("fe80:dead:15:a:bad:1dea::/65");

The above would return:

{
  "ip":"fe80:dead:15:a:bad:1dea::",
  "cidr":"65",
  "netmask":"ffff:ffff:ffff:ffff:8000::",
  "network":"fe80:dead:15:a::",
  "broadcast":"fe80:dead:15:a:7fff:ffff:ffff:ffff"
}

Examples:

Here are some examples:

ipv4

$net = new dTRIP("10.22.99.199", 28);
echo $net->getNetwork(); // 10.22.99.192

ipv6

$net = new dTRIP("fe80:dead:15:a:bad:1dea:11:2234", 93);
$net->getNetwork(); // fe80:dead:15:a:bad:1de8::
$net->getBroadcast(); // fe80:dead:15:a:bad:1def:ffff:ffff

Notes:

Although IPv6 does not use the concept of networks and broadcasts, the ranges are still needed to do inclusive searches. Also, IPv6 has a subnet segment, but can still be supernetted/subnetted, which this takes into consideration.