افزودن گوگل reCAPTCHA به فرم کامنت ها در وردپرس

				
					/* DON'T FORGET TO INSERT YOUR SITE KEY AND YOUR SECRET KEY IN THE BELOW LINES! */

function enqueue_recaptcha_script() {
    if (is_singular('post') && comments_open()) {
        wp_enqueue_script('recaptcha', 'https://www.google.com/recaptcha/api.js', array(), null, true);
    }
}
add_action('wp_enqueue_scripts', 'enqueue_recaptcha_script');

function wpb_move_comment_field_to_bottom( $fields ) {
    $comment_field = $fields['comment'];
    unset( $fields['comment'] );
    $fields['comment'] = $comment_field;

    if (is_singular('post') && comments_open()) {
        $site_key = 'YOUR_SITE_KEY'; // Replace with your reCaptcha site key
        $fields['recaptcha'] = '<div class="comment-form-recaptcha" style="margin-bottom: 20px">';
        $fields['recaptcha'] .= '<div class="g-recaptcha" data-sitekey="' . $site_key . '"></div>';
        $fields['recaptcha'] .= '</div>';
    }

    return $fields;
}
add_filter( 'comment_form_fields', 'wpb_move_comment_field_to_bottom' );

function verify_comment_captcha($commentdata) {
    if (is_singular('post') && comments_open()) {
        $secret_key = 'YOUR_SECRET_KEY'; // Replace with your reCaptcha secret key
        $captcha = $_POST['g-recaptcha-response'];
        $response = file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret={$secret_key}&response={$captcha}");
        $response = json_decode($response);

        if (!$response->success) {
            wp_die(__('Error: Captcha verification failed.'));
        }
    }

    return $commentdata;
}
add_filter('preprocess_comment', 'verify_comment_captcha');