代码

func.php中加入

<?php
// functions.php
if (!function_exists('get_posts_count_today')) {
    function get_posts_count_today($post_type = 'post') {
        $today = date('Y-m-d');
        $args = array(
            'post_type'      => $post_type,
            'post_status'    => 'publish',
            'date_query'     => array(
                array(
                    'after'     => $today . ' 00:00:00',
                    'before'    => $today . ' 23:59:59',
                    'inclusive' => true,
                ),
            ),
            'fields'         => 'ids',
            'nopaging'       => true,
        );
        $query = new WP_Query($args);
        return $query->post_count;
    }
}


// functions.php
add_action('wp_footer', 'output_site_stats_js_vars');
function output_site_stats_js_vars() {
    // 获取数据
    $count_posts = wp_count_posts();
    $published_posts = $count_posts->publish;

    $today_posts = function_exists('get_posts_count_today') ? get_posts_count_today() : 0;

    $uptime_days = floor((time() - strtotime("2023-11-11 11:11:11")) / 86400);

    global $wpdb;
    $users = $wpdb->get_var("SELECT COUNT(ID) FROM $wpdb->users");
    $comments = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_approved = '1'");

    $post_view = function_exists('nd_get_all_view') ? nd_get_all_view() : get_option('zibi_pageviews_total', 0);

    // 输出 JS 变量
    echo '<script type="text/javascript">
        var tj_wzzs = "' . esc_js($published_posts) . '";
        var tj_jrgx = "' . esc_js($today_posts) . '";
        var tj_yxsj = "' . esc_js($uptime_days) . '";
        var tj_yhzs = "' . esc_js($users) . '";
        var tj_plzs = "' . esc_js($comments) . '";
        var tj_zll  = "' . esc_js($post_view) . '";
    </script>';
}

自定义HTML小工具随便放在合适的地方