In PHP, if we want to get milliseconds, we must use microtime() to convert them. Let me give you some examples. I hope it will be helpful to everyone.
Questions are not afraid of the mentally retarded...memorize everything
The code is as follows
| 代码如下 |
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function getmicrotime()
{
list($usec, $sec) = explode(" ",microtime());
return ((float)$usec + (float)$sec);
}
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Copy code
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function getmicrotime()
{
List($usec, $sec) = explode(" ",microtime());
Return ((float)$usec + (float)$sec);
}
In fact, it just dealt with the microtime() function.
The return value of the microtime() function is in this form:
| 代码如下 |
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/**
* Simple function to replicate PHP 5 behaviour
*/
function microtime_float()
{
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
}
$time_start = microtime_float();
// Sleep for a while
usleep(100);
$time_end = microtime_float();
$time = $time_end - $time_start;
echo "Did nothing in $time secondsn";
?>
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| 0.06261400 1303715872
The space after the space is the current timestamp, and the space before the space is the current precise time
Example, calculate page execution time function
| The code is as follows
|
Copy code
/**
* Simple function to replicate PHP 5 behaviour
*/
function microtime_float()
{
List($usec, $sec) = explode(" ", microtime());
Return ((float)$usec + (float)$sec);
}
$time_start = microtime_float();
// Sleep for a while
usleep(100);
$time_end = microtime_float();
$time = $time_end - $time_start;
echo "Did nothing in $time secondsn";
?>
http://www.bkjia.com/PHPjc/633053.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/633053.htmlTechArticleIn php, if we want to get milliseconds, we must convert them through microtime(). Let me tell you what Here are a few examples, I hope it will be helpful to everyone. The problem is not afraid of the mentally retarded...
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