add_action('network_admin_menu', 'register_multisite_sites_table_page');

function register_multisite_sites_table_page() {
    add_menu_page(
        'Multisite Sites Table',
        'Sites Table',
        'manage_network', // Capability needed
        'multisite-sites-table',
        'display_multisite_sites_table',
        'dashicons-networking',
        30
    );
}

function display_multisite_sites_table() {
    if (!is_multisite()) {
        echo '<div class="wrap"><h2>Multisite Sites</h2><p>This is not a multisite installation.</p></div>';
        return;
    }

    $sites = get_sites();

    echo '<div class="wrap">';
    echo '<h1>All Network Sites</h1>';
    echo '<table class="widefat fixed striped">';
    echo '<thead><tr><th>Name</th><th>URL</th><th>Status</th></tr></thead>';
    echo '<tbody>';

    foreach ($sites as $site) {
        $blog_id = $site->blog_id;
        $details = get_blog_details($blog_id);

        $name = esc_html($details->blogname);
        $url = esc_url($details->siteurl);

        if ($site->deleted) {
            $status = 'Deleted';
        } elseif ($site->public) {
            $status = 'Public';
        } else {
            $status = 'Demo';
        }

        echo "<tr>
                <td>{$name}</td>
                <td><a href='{$url}' target='_blank'>{$url}</a></td>
                <td>{$status}</td>
              </tr>";
    }

    echo '</tbody></table>';
    echo '</div>';
}