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From: Salvatore <sal@yojimbo.hack.invalid>
Newsgroups: comp.lang.php
Subject: Re: How expensive is glob'ing a dir and including all the files?
Date: Fri, 14 Sep 2012 19:44:37 +0000 (UTC)
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On 2012-09-14, J. Frank Parnell <juglesh@gmail.com> wrote:
> I have my 'funcs' dir, full of about 120 files, totaling ~800KB.  A
> bunch of little utility functions.  Here is basically how i include them:
><?php
> if ((file_exists($funccache)) AND  (@$_GET['recache']!=true)){
> 	include $funccache;//just an array of the files names, see below.
> }else{
> 	$incs = glob($funcspath."*.php") ;
> 	$ra = var_export($incs,true);
> 	$put = @file_put_contents($funccache,"<?php \$incs = $ra;  ?>");
> }
> foreach ($incs as $i) {
> 		require $i;
> }
> ?>	
>
> So, my question is, am I saving a significant amount of ram/cpu/time by
> keeping this cache of filenames or should I just glob the dir and
> include what's in there everytime?

You're only making your script unnecessarily complicated. Just use the
include() function to only include the functions you need.

If you have performance issues -- which you shouldn't -- consider
installing a PHP accelerator.

-- 
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