<?php
if (isset($_POST['g-recaptcha-response'])) {
$secret_key = 'YOUR_SECRET_KEY';
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_HEADER, false);
$data = curl_exec($curl);
curl_close($curl);
$responseCaptchaData = json_decode($data);
if($responseCaptchaData->success) {
echo 'Captcha verified';
} else {
echo 'Verification failed';
}
}
?>
<form method="post" id="userForm">
<p><input type="text" class="form-control" name="fullname" placeholder="Enter full name" /></p>
<p><button class="g-recaptcha btn btn-primary" data-sitekey="YOUR_SITE_KEY" data-callback="submitForm">Submit</button></p>
</form>
<script>
function submitForm() {
document.getElementById('userForm').submit();
}
</script>
