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Date: Fri, 22 Oct 2004 22:57:07 +0200
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To: Ilia Alshanetsky <ilia@prohost.org>
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Subject: Re: [PHP-DEV] PHP 5.1 time() caching
From: dharana@dharana.net (dharana)

Ilia Alshanetsky wrote:

> As of PHP 5.1, the request start time is stored by PHP inside the sapi 
> structure. This data is populated by the information offered by the SAPI 
> (Apache sapis populate it) otherwise time(0) is used to get the same data.
> 
> This means that PHP has a "free" unix timestamp that tells information 
> about the request start time, which does not require a syscall.
> 
> . Since a lot of script end up having to fetch request start time, this 
> can be used to save on a timing call
> (This information only has second precision, no microseconds).

I would think the reason for fetching request start time is to profile 
execution time (the first line you would see in my scripts is always 
$time_start = microtime()) or maybe it's just me, of course.

> 
> The question is what would be the best way to provide this information 
> within the script. The two alternatives are: adding a new function to 
> get this info or storing this data inside $_SERVER.

I'm for $_SERVER, it makes most sense for me.

> 
> What do you think?
> 
> Ilia
> 

-- 
Juan Alonso
http://gamersmafia.com | http://laflecha.net