microtime到秒或小时或分钟转换

Question

我有商店开始时间microtime（）和结束时间microtime（）到数据库。

现在我想计算脚本花费多少时间来执行秒/分钟/小时。

我该怎么做PHP？

Answer 1

基本上，这样的：

echo date("H:i:s",$endtime-$starttime); 

$endtime-$starttime给出秒的持续时间，date用于格式化的输出。听起来像保存和读取数据库不是你的问题，所以我把它留在我的例子中。请注意，您必须使用microtime(true)才能正常工作，使用空间分离的输出microtime()您无法轻松进行计算。

编辑：你可能也做你自己的所有计算。这只是基本的数学是这样的：

$duration = $endtime-$starttime; 
$hours = (int)($duration/60/60); 
$minutes = (int)($duration/60)-$hours*60; 
$seconds = (int)$duration-$hours*60*60-$minutes*60; 

Answer 2

如果你有时间A和时间B，以秒计，那么这两项绝对时间之间的秒数为：

B - A 

如果你想要格式化此秒数，您可以使用date来对其进行美化。

Answer 3

microtime to seconds or hours or min conversion？

microtime中是PHP功能，在微秒返回时间的措施，基本上微秒可以转换为名称：

 

    1 milliseconds = 1,000 microseconds 
    1 second  = 1,000,000 microseconds 
    1 minute  = 60,000,000 microseconds 
    1 hour   = 3,600,000,000 microseconds 


    or 


    1 microsecond = 0.001 milliseconds 
    1 microsecond = 0.000001 seconds 
    1 microsecond = 0.0000000166666667 minutes 
    1 microsecond = 0.000000000277777778 hours 

Answer 4

function formatPeriod($endtime, $starttime) 
    { 

    $duration = $endtime - $starttime; 

    $hours = (int) ($duration/60/60); 

    $minutes = (int) ($duration/60) - $hours * 60; 

    $seconds = (int) $duration - $hours * 60 * 60 - $minutes * 60; 

    return ($hours == 0 ? "00":$hours) . ":" . ($minutes == 0 ? "00":($minutes < 10? "0".$minutes:$minutes)) . ":" . ($seconds == 0 ? "00":($seconds < 10? "0".$seconds:$seconds)); 
} 

Answer 5

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function formatPeriod($endtime, $starttime) 
{ 
$duration = $endtime - $starttime; 

$hours = (int) ($duration/60/60); 

$minutes = (int) ($duration/60) - $hours * 60; 

$seconds = (int) $duration - $hours * 60 * 60 - $minutes * 60; 

return ($hours == 0 ? "00":$hours) . ":" . ($minutes == 0 ? "00":($minutes < 10? "0".$minutes:$minutes)) . ":" . ($seconds == 0 ? "00":($seconds < 10? "0".$seconds:$seconds)); 
}