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Home PHP PHP measure/ calculate execution time of loading page

PHP measure/ calculate execution time of loading page

Sometime, you may want to know exactly how long your web server did execute your PHP script. This example below will show you how to measure your execution time.

1. Put the following code at the very top of your PHP script

<?php
	$start_process = (float) array_sum(explode(' ',microtime()));
?>

<?php $start_process = (float) array_sum(explode(' ',microtime())); ?>

2. Put the following code at the very bottom of your PHP script

<?php
	$end_process = (float) array_sum(explode(' ',microtime()));
	echo "<!--Execution time: ". sprintf("%.4f", ($end_process-$start_process))." seconds" . "-->";
?>

<?php $end_process = (float) array_sum(explode(' ',microtime())); echo "<!--Execution time: ". sprintf("%.4f", ($end_process-$start_process))." seconds" . "-->"; ?>

So, your final PHP script looks like this:

<?php
	$start_process = (float) array_sum(explode(' ',microtime()));
?>
 
//Your PHP scirpt here
//Or your HTML code here
 
<?php
	$end_process = (float) array_sum(explode(' ',microtime()));
	echo "<!--Execution time: ". sprintf("%.4f", ($end_process-$start_process))." seconds" . "-->";
?>

<?php $start_process = (float) array_sum(explode(' ',microtime())); ?> //Your PHP scirpt here //Or your HTML code here <?php $end_process = (float) array_sum(explode(' ',microtime())); echo "<!--Execution time: ". sprintf("%.4f", ($end_process-$start_process))." seconds" . "-->"; ?>

Mar 7, 2011Hoan Huynh
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Hoan Huynh

Hoan Huynh is the founder and head of 4rapiddev.com. Reach him at [email protected]

11 years ago PHParray_sum, explode, microtime186
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