yanzong/app/api/service/statistics/UserData.php

<?php

namespace app\api\service\statistics;

use app\api\model\User;
use app\common\service\BaseService;

class UserData extends BaseService
{
    protected User $userModel;

    public function initialize()
    {
        parent::initialize(); // TODO: Change the autogenerated stub
        $this->userModel = new User();
    }
    public function getUserData($startDate = null, $endDate = null): array
    {
        return [
            'visitorCount' => 0,
            'viewCount' => 0,
            'newUserCount' => 0,
        ];
    }
}