<?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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