';
}
*/
/* For all users */
$recaptcha_site_key = 'Site key';
echo '';
$submit_before = '';
$submit_after = '
';
return $submit_before . $submit_button . $submit_after;
}
function verify_recaptcha_response() {
$recaptcha_secret_key = 'Secret Key';
$recaptcha_site_key = 'Site Key';
if ( isset ( $_POST['g-recaptcha-response'] ) ) {
$captcha_response = $_POST['g-recaptcha-response'];
} else {
return false;
}
// Verify the captcha response from Google
$response = wp_remote_post(
'https://www.google.com/recaptcha/api/siteverify',
array(
'body' => array(
'secret' => $recaptcha_secret_key,
'response' => $captcha_response
)
)
);
$success = false;
if ( $response && is_array( $response ) ) {
$decoded_response = json_decode( $response['body'] );
$success = $decoded_response->success;
}
return $success;
}
add_action('preprocess_comment', "preprocess_comment_cb");
function preprocess_comment_cb($commentdata) {
/* ReCaptcha only for anonymous users
global $user_ID;
if ($user_ID) {
return $commentdata;
}
*/
if ( ! verify_recaptcha_response() ) {
echo 'You are not verified reCaptcha test. Return to the previous page and try again.';
exit;
}
return $commentdata;
}