我有以下内容应该计算比赛开始/开始前的天数和小时数$time=$row['event_time'];$gameDate=$row['event_date'];if($gameDate!==$lastDate){$calcDate=strtotime('Ymd',$gameDate,$time);//suspectproblemisherevar_dump($calcDate);$remaining=$calcDate-time();$days_remaining=floor($remaining/86400);$hours_remaining=floor(($remaining%864