Сканирование по фамилии на сайте MyHeritage

<?php
    $SURNAME = array('Иванов', 'Иванова');
    $EXCLUDETREE = array(111111); // дерево, которое надо пропустить (например, ваше собственное)

    $MANMASK = 'http\://www\.myheritage\.com/person\-(\d+)_(\d+)_(\d+)/[^"]+';
    $CONTACTMASK = 'contactWebmasterViaInbox\((\d+)\)';
    $CONTACTURL = 'http://www.myheritage.com/site-%d/t?lang=RU';
    $URL = 'http://www.myheritage.com/FP/smart-research-search.php?offset=%d&l=%s';

    $trees = array();

    $context = stream_context_create(array(
        'http' => array(
            'method' => 'GET',
            'header' => "User-agent: Opera/9.80 (Darwin x86_64; U; Edition Next; ru) Presto/2.10.238 Version/12.00\r\n".
                        "Accept-encoding: gzip",
            'protocol_version' => PHP_VERSION >= 5.3 ? '1.1' : '1.0',
            'timeout' => 5,
        )
    ));

    foreach ($SURNAME as $surname) {
        echo 'Поиск по фамилии «', $surname, "».\n";

        for ($i = 0;;$i += 10) {
            echo 'Смещение: ', $i;

            $content = DecodeResponse(file_get_contents(sprintf($URL, $i, urlencode($surname)), false, $context), $http_response_header);

            echo ", длина полученного документа: ", strlen($content), " байт, ";

            if (preg_match_all("!$MANMASK!", $content, $m)) {
                echo 'найдено записей: ', $peoplecount = count($m[0]), ".\n";

                $trees = array_merge($trees, $m[3]);
            } else {
                $peoplecount = 0;
                echo "записей не найдено.\n";
            }

            if ($peoplecount != 10) {
                break;
            }
        }
    }

    $trees = array_diff(array_unique($trees), $EXCLUDETREE);

    echo 'Найдено деревьев: ', count($trees), ".\n";

    foreach ($trees as $id) {
        $content = DecodeResponse(file_get_contents(sprintf($CONTACTURL, $id), false, $context), $http_response_header);

        if (preg_match("!$CONTACTMASK!", $content, $m)) {
            echo "http://www.myheritage.com/FP/inbox.php?lang=RU&compose=1&recipient={$m[1]}&type=1\n";
        }
    }

    function DecodeResponse($content, $headers) {
        foreach ($headers as $header) {
            if (stripos($header, 'Content-Encoding:') === 0 && strpos($header, 'gzip') !== false) {
                return gzinflate(substr($content, 10));
            }
        }

        return $content;
    }