<?php

namespace models;

use mt;
use phpcommon\SqlHelper;

class RealtimeData extends BaseModel {

    //获取在线人数
    public static function getOnline()
    {
        $onlineNum = self::internalGet('online_num');
        return max(1, $onlineNum ? $onlineNum : 0);
    }

    private static function internalGet($name)
    {
        $row = SqlHelper::ormSelectOne
             (myself()->_getSelfMysql(),
                 't_realtime_data',
                 array(
                     'name' => $name
                 )
                );
        return $row ? $row : '';
    }

}