function wprss_save_meta_box_data($post_id)
{
    // Check if our nonce is set.
    if (!isset($_POST['wprss_meta_box_nonce'])) {
        return;
    }
    // Verify that the nonce is valid.
    if (!wp_verify_nonce($_POST['wprss_meta_box_nonce'], 'wprss_save_meta_box_data')) {
        return;
    }
    // If this is an autosave, our form has not been submitted, so we don't want to do anything.
    if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
        return;
    }
    // Check the user's permissions.
    if (isset($_POST['post_type']) && 'page' == $_POST['post_type']) {
        if (!current_user_can('edit_page', $post_id)) {
            return;
        }
    } else {
        if (!current_user_can('edit_post', $post_id)) {
            return;
        }
    }
    // OK, it's safe for us to save the data now.
    $options = get_option('wprss_options');
    if (is_array($options) && count($options) > 0) {
        if (is_object($post_id)) {
            $post_id = $post_id->ID;
        }
        $post = get_post($post_id);
        $post_categories = wp_get_post_categories($post_id);
        $post_tags = wp_get_post_tags($post_id);
        $listcat = array();
        $listtag = array();
        if (count($post_categories) > 0) {
            foreach ($post_categories as $c) {
                $cat = get_category($c);
                $listcat[] = $cat->name;
            }
        }
        if (count($post_tags) > 0) {
            foreach ($post_tags as $t) {
                $listtag[] = $t->name;
            }
        }
        $path_to_www_folder = get_home_path();
        include_once $path_to_www_folder . 'wp-includes/class-IXR.php';
        $post_date_gmt = new IXR_Date(strtotime($post->post_date_gmt));
        foreach ($options as $key => $val) {
            if ($options[$key]["wprss_host"] != "") {
                if ($_POST["wprss_check_" . $key] != "") {
                    $h = $options[$key]["wprss_host"];
                    $u = $options[$key]["wprss_username"];
                    $p = $options[$key]["wprss_pwd"];
                    $update_post = 0;
                    $meta_key = 'post_at_' . $h;
                    $remote_post_id = get_post_meta($post_id, $meta_key, true);
                    $client = new IXR_CLIENT($h . '/xmlrpc.php');
                    if ($remote_post_id != "") {
                        if ($client->query('wp.getPost', '1', $u, $p, $remote_post_id)) {
                            $response = $client->getResponse();
                            if (count($response) > 0) {
                                $update_post = 1;
                            } else {
                                delete_post_meta($post_id, $meta_key, $remote_post_id);
                            }
                        } else {
                            delete_post_meta($post_id, $meta_key, $remote_post_id);
                        }
                    }
                    if ($update_post == 0) {
                        $content = array();
                        $content['post_status'] = $post->post_status;
                        $content['post_title'] = $post->post_title;
                        $content['post_excerpt'] = substr($post->post_content_filtered, 0, 250);
                        $content['post_date_gmt'] = $post_date_gmt;
                        $content['post_content'] = $post->post_content_filtered;
                        $content['terms'] = array('category' => $listcat);
                        $content['terms_names'] = array('post_tag' => $listtag);
                        if (!$client->query('wp.newPost', '', $u, $p, $content)) {
                            error_log("Error creation new post: " . $client->getErrorMessage());
                        } else {
                            $remote_post_id = $client->getResponse();
                            add_post_meta($post_id, $meta_key, $remote_post_id, true);
                        }
                    } else {
                        $content = array();
                        $content['post_status'] = $post->post_status;
                        $content['post_title'] = $post->post_title;
                        $content['post_excerpt'] = substr($post->post_content_filtered, 0, 250);
                        $content['post_date_gmt'] = $post_date_gmt;
                        $content['post_content'] = $post->post_content_filtered;
                        $content['terms'] = array('category' => $listcat);
                        $content['terms_names'] = array('post_tag' => $listtag);
                        if (!$client->query('wp.editPost', "1", $u, $p, $remote_post_id, $content, true)) {
                            error_log("Error edit post: " . $client->getErrorMessage());
                        }
                    }
                }
            }
        }
    }
    return;
}