<?php
require_once "./vendor/autoload.php";
error_reporting(E_ALL | E_STRICT);
ini_set("display_errors", 1);
class Authenticator
{
    protected $googleClient;
    protected $secret;
    public function __construct()
    {
        $this->googleClient = new PHPGangsta_GoogleAuthenticator();
    }
    public function createSecret()
    {
        $secret = $this->googleClient->createSecret();
        return $secret;
    }
    public function createQr($url)
    {
        $secret = $this->createSecret();
        $this->InsertSecret(1, $secret);
        $qr = $this->googleClient->getQRCodeGoogleUrl($url, $secret);
        echo "秘钥：$secret" . PHP_EOL;
        return "<img src='$qr'/>";
    }
    public function InsertSecret($id, $secret)
    {
        //将服务器生成的secret入库与用户绑定
    }
    public function getSecret($id)
    {
        //将对应用户的secret提取出来并返回
        return 'GBYTMLVRNQKAKJVD';
    }
    public function verify($id, $verify)
    {
        $checkResult = $this->googleClient->verifyCode($this->getSecret(1), (string)$verify, 0);
        if ($checkResult) {
            return true;
        } else {
            return false;
        }
    }
}
$client = new Authenticator();
echo $client->createQr("www.zhangshuxian.top");
echo $client->verify(1, 436270) ? "通过" : "未通过";