ie_server.php

#!/usr/bin/php

<?php
//Memcachedを利用する場合はtrueにしてください。
define('USE_MEMCACHED', false);
define('MEMCACHED_HOST', 'localhost');
define('MEMCACHED_PORT', 11211);

$objects = array(
    array(
        'username',
        'domain',
        'password'
    )
);

define('IESERVER_URL', 'https://ieserver.net/cgi-bin/dip.cgi');

//IPアドレスの取得
$ip = trim(file_get_contents('http://ifconfig.me/ip'));

//IPアドレスが変更されているか調べる
if (USE_MEMCACHED) {
    $cache = new memcached();
    $cache->addServer(MEMCACHED_HOST, MEMCACHED_PORT);
    $cachedip = $cache->get('ie_server:myipaddress');
} else {
    $cachedipfile = __DIR__ . '/myipaddress';
    if (file_exists($cachedipfile)) {
        $cachedip = file($cachedipfile);
        $cachedip = trim($cachedip[0]);
    } else {
        $cachedip = false;
    }
}
if ($cachedip != $ip) {
    foreach ($objects as $line) {
        $curl = curl_init();
        $post = 'username=' . $line[0] . '&domain=' . $line[1] . '&password=' . $line[2] . '&updatehost=1';
        $options = array(
            CURLOPT_URL => IESERVER_URL,
            CURLOPT_SSL_VERIFYPEER => false,
            CURLOPT_RETURNTRANSFER => 1,
            CURLOPT_POST => 1,
            CURLOPT_POSTFIELDS => $post
        );
        curl_setopt_array($curl, $options);
        curl_exec($curl);
        curl_close($curl);
    }
    if (USE_MEMCACHED) {
        $cache->set('ie_server:myipaddress', $ip);
    } else {
        $fp = fopen($cachedipfile, 'w');
        fwrite($fp, $ip);
        fclose($fp);
    }
}