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php取得系统启动时间长短实例代码

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2016-06-13 10:40:111034browse

php取得系统启动时间长短实例代码

  1.     //系统启动时间计算.
  2.         $UPTIME   = 32936982.68;
  3.         $DAY      = floor(($UPTIME / 86400)*1.0) ;
  4.         $cal_day  = $DAY * 86400 ;
  5.         $cal_hour = $UPTIME - $cal_day ;
  6.         $hour = floor(($cal_hour / 3600)*1.0) ;
  7.         if ($hour
  8.         $hour = "0".$hour ;
  9.         }
  10.         $cal_tmp = $hour * 3600 ;
  11.         $cal_min = $cal_hour - $cal_tmp ;
  12.         $min = floor(($cal_min / 60)*1.0) ;
  13.         if ($min
  14.         $min = "0".$min ;
  15.         }
  16.         $cal_sec = $min * 60 ;
  17.         $sec = floor(($cal_min - $cal_sec)*1.0) ;
  18.         if ($min
  19.         $sec = "0".$sec ;
  20.         }
  21.         $ServerUptime = $DAY." 天, ".$hour.":".$min.":".$sec ;
  22.         echo 结果输出: . $ServerUptime ;
  23. ?>

结果输出: 381 天, 05:09:042
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