How to use php to display program execution time

Editor to share with you how to use php to display the execution time of the program, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

The code is as follows:

/ * *

* Program execution time

*

* @ return int Unit ms

, /

Function execute_time () {

$stime = explode ('', SYS_START_TIME)

$etime = explode ('', microtime ())

Return number_format (($etime [1] + $etime [0]-$stime [1]-$stime [0]), 6)

}

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