PHP: How to Get the Time Elaped

Using PHP's time function, you can get the time elapsed of any process in your web application. The time function returns the current Unix timestamp.

Here's a simple script to demonstrate it.

<?php

$t1 = time();

print "Start time : ".$t1."<br>";

for ($i = 0; $i < 90000000; $i++)
    {
    print "";
    }

$t2 = time();
print "End time : ".$t2."<br>";
print "Time elapsed (s) : ".($t2 - $t1)."<br>";

?>

The script above will output the following.

Start time : 1235100956
End time : 1235100980
Time elapsed (s) : 24