php取得系统启动时间长短实例代码

php取得系统启动时间长短实例代码

2. //系统启动时间计算.
3. $UPTIME = 32936982.68;
4. $DAY = floor(($UPTIME / 86400)*1.0) ;
5. $cal_day = $DAY * 86400 ;
6. $cal_hour = $UPTIME - $cal_day ;
7. $hour = floor(($cal_hour / 3600)*1.0) ;
8. if ($hour
9. $hour = "0".$hour ;
10. }
11. $cal_tmp = $hour * 3600 ;
12. $cal_min = $cal_hour - $cal_tmp ;
13. $min = floor(($cal_min / 60)*1.0) ;
14. if ($min
15. $min = "0".$min ;
16. }
17. $cal_sec = $min * 60 ;
18. $sec = floor(($cal_min - $cal_sec)*1.0) ;
19. if ($min
20. $sec = "0".$sec ;
21. }
22. $ServerUptime = $DAY." 天, ".$hour.":".$min.":".$sec ;
24. echo 结果输出: . $ServerUptime ;
25. ?>