This article will introduce a method to start and stop a timer in PHP.
microtime() Function to Start and Stop a Timer in PHP
We can use the
microtime() function to start and stop the timer in PHP. The
microtime() function notes the time in microseconds when it’s called. We will calculate the time difference between the stop time and the start timer to get the execution time. The correct syntax to use this function is as follows.
microtime() function has one parameter only. The detail of its parameter is as follows.
||Boolean. If set to TRUE, then the function returns the time as a string, not as a float.|
This function returns the time in microseconds. The program below shows the ways by which we can use the
microtime() function to start and stop a timer in PHP.
<?php $time_pre = microtime(true); echo("This line will be executed.\n"); $time_post = microtime(true); $exec_time = $time_post - $time_pre; echo("The execution time is:\n"); echo($exec_time); ?>
This line will be executed. The execution time is: 2.6941299438477E-5