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H-Capacha ist eine Alternative zu Googel Captcha. Bei beiden muss man die richtigen Bilder anklicken

Code

                                    
                                <?php 
 // hCAPTCHA API key configuration 
$secretKey = 'Insert_hCaptcha_Secret_Key'; 
$statusMsg = ''; 
if(isset($_POST['submit'])){ 
    if(!empty($_POST['name']) && !empty($_POST['email'])){ 
        if(!empty($_POST['h-captcha-response'])){ 
            $verifyURL = 'https://hcaptcha.com/siteverify'; 
            $token = $_POST['h-captcha-response']; 
            $data = array( 
                'secret' => $secretKey, 
                'response' => $token, 
                'remoteip' => $_SERVER['REMOTE_ADDR'] 
            ); 
            $curlConfig = array( 
                CURLOPT_URL => $verifyURL, 
                CURLOPT_POST => true, 
                CURLOPT_RETURNTRANSFER => true, 
                CURLOPT_POSTFIELDS => $data 
            ); 
            $ch = curl_init(); 
            curl_setopt_array($ch, $curlConfig); 
            $response = curl_exec($ch); 
            curl_close($ch); 
            $responseData = json_decode($response); 
            if($responseData->success){ 
                $name = !empty($_POST['name'])?$_POST['name']:''; 
                $email = !empty($_POST['email'])?$_POST['email']:''; 
                $message = !empty($_POST['message'])?$_POST['message']:''; 
                $statusMsg = 'Your contact request has submitted successfully.'; 
            }else{ 
                $statusMsg = 'Robot verification failed, please try again.'; 
            } 
        }else{ 
            $statusMsg = 'Please check on the CAPTCHA box.'; 
        } 
    }else{ 
        $statusMsg = 'Please fill all the mandatory fields.'; 
    } 
} 
echo $statusMsg; 
?>
<script src="https://hcaptcha.com/1/api.js" async defer></script>
<form action="" method="post">
    <div class="input-group">
        <input type="text" name="name" value="" placeholder="Your name" required="" />
    </div>
    <div class="input-group">    
        <input type="email" name="email" value="" placeholder="Your email" required="" />
    </div>
    <div class="input-group">
        <textarea name="message" placeholder="Type message..."></textarea>
    </div>
    <!-- Add hCaptcha CAPTCHA box -->
    <div class="h-captcha" data-sitekey="1e324959-86c3-49fc-a5ca-93935be005b8"></div>
    <input type="submit" name="submit" value="SUBMIT">
</form>