`execution_time（）`函数的时间错误 [英] Wrong time for `execution_time()` function

问题描述

public function execution_time($begin = null)
{
    if($begin == null){
        return microtime(true);
    }
    else {
        $result = date("H:i:s", microtime(true) - $begin);
        return $result;
    }
}

我正在尝试计算执行时间。
但是问题是执行时间少于1小时时，它会写错时间戳，例如：

I'm trying to count the execution time. But the problem is when execution time is lesser then 1 hour, it writes wrong timestamp, for example:

$timeBegin = execution_time();
sleep(8);
$time_end = execution_time($timeBegin); // it shows 06:00:08

仅持续8秒，为什么会出现6个小时？为什么会发生这种情况以及如何解决呢？

It lasts only 8 seconds, why 6 hours are appear? Why this happens and how to solve this?

推荐答案

由于时区不同，您会相差6个小时。

You get 6 hours difference because of your timezone.

date_default_timezone_set('UTC');

线路，将时区设置为UTC并消除差异。

Line, sets time zone to UTC and eliminates the difference.

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