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| <?php | |
| if(isset($_POST['login'])) { | |
| if(!isset($_POST['g-recaptcha-response']) || empty($_POST['g-recaptcha-response'])) { | |
| echo 'reCAPTHCA verification failed, please try again.'; | |
| } else { | |
| $secret = 'google_secret_key'; | |
| $ch = curl_init(); | |
| curl_setopt($ch, CURLOPT_URL, 'https://www.google.com/recaptcha/api/siteverify?secret='.$secret.'&response='.$_POST['g-recaptcha-response']); | |
| curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); | |
| $response = curl_exec($ch); | |
| curl_close($ch); | |
| $response = json_decode($response); | |
| if($response->success) { | |
| // What happens when the CAPTCHA was entered incorrectly | |
| echo 'Successful login.'; | |
| } else { | |
| // Your code here to handle a successful verification | |
| echo 'reCAPTHCA verification failed, please try again.'; | |
| } | |
| } | |
| } | |
| ?> | |
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
| <title>PHP reCAPTHCA</title> | |
| </head> | |
| <body> | |
| <form method="POST"> | |
| <div class="g-recaptcha" data-sitekey="site_key"></div> | |
| <input type="submit" name="login" value="Log in"> | |
| </form> | |
| <script src="https://www.google.com/recaptcha/api.js" async defer></script> | |
| </body> | |
| </html> |
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