recaptcha v2顯式渲染基本設置：無效輸入響應

我試圖實施谷歌recaptcha v2。我有兩個小例子文件：recaptcha.html和recaptcha.phprecaptcha v2顯式渲染基本設置：無效輸入響應

recaptcha.html：

<!DOCTYPE html> 
<html> 
    <head> 
     <script type="text/javascript" src="http://www.google.com/recaptcha/api/js/recaptcha_ajax.js"></script> 
     <script> 
     var showRecaptcha = function() { 
     Recaptcha.create("6LfCLRQTAAAAAFyZ4QZ6mMl7bu2syW9yH813kHnG", 
         'captchadiv', 
         { 
          size: "compact", 
          callback: Recaptcha.focus_response_field 
         } 
     ); 
     } 
     </script> 
<script src="https://www.google.com/recaptcha/api.js?onload=showRecaptcha&render=explicit" 
     async defer> 
</script> 
</head> 
<body> 
    <form id="rmForm" role="form" action="recaptcha.php" 
      method="post" accept-charset="utf-8" enctype="multipart/form-data" > 
     <div id="captchadiv"></div> 
    </form> 
</body> 
</html>

和recaptcha.php：

<?php 
$secret = "6LfCLRQTAAAAABgzTkyDJMxEo-HTnEEr8xBEv1wE"; 
if(isset($_REQUEST["recaptcha_response_field"])) { 
    // we are processing a remove request with a recaptcha 
    $captcha=$_REQUEST["recaptcha_response_field"]; 
    var_dump($captcha); 
    $response = file_get_contents("https://www.google.com/recaptcha/api/siteverify?" . 
"secret=$secret&response=".$captcha."&remoteip=".$_SERVER['REMOTE_ADDR']); 

} 
if($response.'success'==true) { echo '<h2>Thanks for posting comment.</h2>'; } 
var_dump($response); 
?>

這也可在http://gps-photo.com/recaptcha.html。如你所見，如果你嘗試它，它總會給出'無效輸入響應'。在我看來，它應該工作，所以我顯然感到困惑。

有人可以幫忙嗎？謝謝。

來源

2016-01-02 LenB

更換recaptcha_ajax.js與recaptcha.js和使用呈現顯示，而不是創建解決了這個問題。

來源

2016-01-06 01:58:37 LenB

recaptcha v2顯式渲染基本設置：無效輸入響應

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