Microtime Issue

[jug]

Hi,

 

Looking through previous posts there is one thread that I found that covers the issue but the solution did not work for me.

 

http://www.phpfreaks.com/forums/index.php/topic,214582.msg980170.html#msg980170

 

What I am trying to do is use microtime to see how long a script takes to execute. Im expecting a figure that is below one, for example 0.034532. But what I am getting is a figure similar to 2.9999999999974E-5.

 

What does this mean? And how can I solve it? The code I am using is below and is very simple and almost identical to one example found in the documentation on php.net.

 

$time_start = microtime(true);

//script here

$time_end = microtime(true);
$time_taken = $time_end - $time_start;
echo ' Time taken: ' . $time_taken;

 

Thanks in advance

 

jug

 

 

[Mchl]

2.9999999999974E-5s = 0.000029...s = 0.00003s

[jug]

Thanks for that. I was sure it meant something.

 

Anyone know (out of curiousity) why PHP doesnt just say 0.000029...s rather than 2.9999999999974E-5s?

 

jug

[Mchl]

Because it's been designed to switch to scientific notation when a floating point number is below or above certain range.

To keep decimal notation use sprintf