PHP中奇怪的reCaptcha错误

问题描述

我在我的网站上执行reCaptcha时遇到了问题。

我在这里跟着教程：，并且实现了一个基本的reCaptcha，带有错误消息。

以下是我在提交表单的文件中使用的一些自定义代码：

<$ p $如果（！$ resp-> isValid）{
$ _SESSION ['badLoginCount'] + = 1; p>
$ _SESSION ['incorrect-captcha'] = true;
$ _SESSION ['incorrect-captcha-error'] = $ resp->错误;
header（'Location：../../signin.php'）;
出口;





$ b如果用户键入不正确的reCaptcha，页面会重定向并显示错误如预期。但是，当用户输入正确的reCaptcha时，isValid仍然评估为FALSE并运行此分支，但$ resp-> error不包含任何内容，这使得调试几乎不可能。

有没有人遇到过这个？我无法在网上找到任何东西。

解决方案

一个快速而且有效的解决方法是检查 $

  if（！empty（$ resp-> error 错误））{
 $ _SESSION ['badLoginCount'] + = 1; 
 $ _SESSION ['incorrect-captcha'] = true; 
 $ _SESSION ['incorrect-captcha-error'] = $ resp->错误; 
 header（'Location：../../signin.php'）; 
出口; 
} 
  

I am having a problem with implementing a reCaptcha on my website.

I followed the tutorial here: http://code.google.com/apis/recaptcha/docs/php.html and implemented just a basic reCaptcha with an error message.

Below is some custom code I use in the file which the form is submitted to:

    if (!$resp->isValid) {
        $_SESSION['badLoginCount'] += 1;
        $_SESSION['incorrect-captcha'] = true;
        $_SESSION['incorrect-captcha-error'] = $resp->error;
        header ('Location: ../../signin.php');
        exit;
    }

If the user types the incorrect reCaptcha, the page redirects and an error is shown as expected. However when a user enters the correct reCaptcha, isValid still evaluates to FALSE and runs this branch, however $resp->error contains nothing, and this has made it almost impossible to debug.

Has anyone come across this before? I can't find anything online.

解决方案

A quick and hacky workaround would be to check if $resp->error is empty instead.

if (!empty($resp->error)) {
    $_SESSION['badLoginCount'] += 1;
    $_SESSION['incorrect-captcha'] = true;
    $_SESSION['incorrect-captcha-error'] = $resp->error;
    header ('Location: ../../signin.php');
    exit;
}

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