Никита Абрамов

function arInStr($array)
{
    ksort($array);
    $string = "";
    foreach ($array as $key => $val)
    {
        if (is_array($val))
        {
            $string .= $key . "=" . arInStr($val);
        }
        else
        {
            $string .= $key . "=" . $val;
        }
    }
    return $string;
}

function postUrl($url, $type = "GET", $params = array(), $timeout = 15, $image = false, $decode = true)
{
    if ($ch = curl_init())
    {
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_HEADER, false);

        if ($type == "POST")
        {
            curl_setopt($ch, CURLOPT_POST, true);


            if ($image)
            {
                curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
            }

            elseif ($decode)
            {
                curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params));
            }

            else
            {
                curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params));
            }
        }

        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.9.2.12) Gecko/20101026 Firefox/3.6.12');
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
        $data = curl_exec($ch);
        curl_close($ch);

        // Еще разок, если API завис
        if (isset($data['error_code']) && $data['error_code'] == 5000)
        {
            $data = getUrl($url, $type, $params, $timeout, $image, $decode);
        }
        return $data;
    }
    else
    {
        return "{}";
    }
}

function getOk($access_token,
               $application_secret_key,
               $params,
               $timeout = 15,
               $image = false,
               $decode = true,
               $siG = true,
               $url = 'https://api.ok.ru/fb.do')
{
    if ($siG != false)
    {
        $sig = md5(arInStr($params) . md5("{$access_token}{$application_secret_key}"));
        $params["sig"] = $sig;
        $params["access_token"] = $access_token;
        $result = json_decode(postUrl("https://api.ok.ru/fb.do", "POST", $params, $timeout, $image, $decode), true);
    }
    else
    {
        $result = json_decode(postUrl($url, "POST", $params, $timeout, $image, $decode), true);
    }
    return $result;
}


$params = array(
    "application_key" => $application_key,
    "application_id" => $application_id,
    "application_secret_key" => $secret_session_key,
    "format" => "json",
    "uid" => $groupId,
    "method" => "group.getMembers",
);
$res = getOk($access_token, $application_secret_key, $params, 15, false);