ip2host.php

<?php
require("config.php");
require("namecom.php");
$api = new NameComApi();
$api->login($api_username, $api_key);

$sub_domain = $_GET['sub_domain'];
$super_domain = $_GET['super_domain'];

$a = array();

if (!isset($super_domain)) {
	$a = array("response"=>"You must specify a super domain.");
} else {
	$ip = ((@$_GET['ip']) ? $_GET['ip'] : $_SERVER['REMOTE_ADDR']);
	$ttl = ((@$_GET['ttl']) ? $_GET['ttl'] : 300); // default 5 minute time to live

	$response = $api->get_domain($super_domain);

	if ($response->result->code != 100) {
	        $a = array("response"=>"You probably don't own the domain.","code"=>$response->result->code);
	} else {
		$response = $api->list_dns_records($super_domain);

		if ($response->result->code != 100) {
		        $a = array("response"=>"An unknown error has occured when querying the superdomain.","code"=>$response->result->code);
		} else {
			foreach ($response->records as $key => $val) {
			        if ($val->name == $sub_domain.".".$super_domain) { // delete entry
			                $_response = $api->delete_dns_record($super_domain, $val->record_id);
			                if ($_response->result->code != 100) {
			                        $a = array("response"=>"An unknown error has occured when deleting the old entry.","code"=>$_response->result->code);
						break;
			                }
			        }
			}

			if (empty($a)) {
				if (!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) === false) {
				        // $ip is valid IPv6
				        $record_type = "AAAA";
				} else {
				        $record_type = "A";
				}

				$response = $api->create_dns_record($super_domain, $sub_domain, $record_type, $ip, $ttl);

				if ($response->result->code != 100) {
				        $a = array("response"=>"An unknown error has occured when updating the record.","code"=>$response->result->code);
				} else {
				        $a = array("response"=>"IP updated successfully.","code"=>$response->result->code);
				}
			}
		}
	}
}

echo json_encode($a);

$api->logout();
?>