How to track the script execution time in PHP?

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Sometimes, we want to track the script execution time in PHP.

In this article, we’ll look at how to track the script execution time in PHP.

How to track the script execution time in PHP?

To track the script execution time in PHP, we can use the microtime function.

For instance, we write

$time_start = microtime(true);
for ($i = 0;$i < 1000;$i++) {
    //...    
}
$time_end = microtime(true);
$execution_time = ($time_end - $time_start) / 60;
echo '<b>Total Execution Time:</b> ' . $execution_time . ' Mins';

to call microtime with true to return the $time_start timestamp.

And then we run some code that we want to measure with

for ($i = 0;$i < 1000;$i++) {
    //...    
}

Then we call microtime again after the loop to get the timestamp of the time that the loop finished running.

Then we subtract $time_end by $time_start to get the time difference in seconds.

And we divide the time by 60 to get the time in minutes.

Conclusion

To track the script execution time in PHP, we can use the microtime function.

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