NYCPHP Meetup

[Jonathan]

Guessing: maybe it has something to do with the page cache settings.

Mark Armendariz wrote:

>I have a hit counter script that I've been growing in the back yard for a
>few months.  I decided to go back and water it today, just after upgrading
>to the latest Firefox release (1.5) and while testing I noticed an oddity...
> 
>Now, the basics of how the script works.  You call count.php as an image
>from your site (<img src="count.php" />), it adds the hit (and other
>wonderful data) to the db and then outputs a 1 px transparent gif.  There's
>more to it with js and all kinds of fun stuff, but that has NOTHING to do
>with this particular problem...
> 
>While testing other browsers (IE, FF 1.07, Opera, etc - all pc), Everything
>was working great, but with firefox 1.5, I was getting 2 hits every time.  I
>removed the image code, and It would hit once.  Put it back... Twice.
> 
>I combed through my code, found nothing and decided, what the hell, take my
>code out... And so here's what's left - nice and simple:
>
>--------------
>count.php
>--------------
><?php
>    require_once 'function.file_put_contents.php';    // PHP5 magic in good
>ol' 4
>    file_put_contents('./output.txt', date('m/d/Y G:i:s') . ': ' .
>$_SERVER['HTTP_USER_AGENT'] . "\n");
>        
>    header('Content-Type: image/gif');
>    header('Content-Disposition: inline; filename=count.gif'); 
>    readfile ('./count.gif');
>?>
>--------------
> 
>And when I load count.php into the browser, I get this:
>- the first one is FF 1.0.7
>- the second is IE whatever (latest from windows update)
>- the third and fourth are one load from FF 1.5
>- the 5th and 6th are a single refresh on FF 1.5
>--------------
>output.txt
>--------------
>11/30/2005 15:26:46: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US;
>rv:1.7.12) Gecko/20050915 Firefox/1.0.7
>11/30/2005 15:27:00: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1;
>.NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.1)
>11/30/2005 15:27:04: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8)
>Gecko/20051111 Firefox/1.5
>11/30/2005 15:27:04: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8)
>Gecko/20051111 Firefox/1.5
>11/30/2005 15:32:34: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8)
>Gecko/20051111 Firefox/1.5
>11/30/2005 15:32:35: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8)
>Gecko/20051111 Firefox/1.5
>--------------
>
>So, since it's a brand new version of FF, and my test code's too damned slim
>to find anything 'off', AND, with all other browsers I've tested - getting
>one hit per load, I'm beginning to figure this to be a bug/feature of the
>latest greatest FF.  But before I begin barking up that tree, I wanted to
>ask the local gurus if my headers are whacky (I've tried a few combos, this
>one's just the shortest - and the original, which I've had for months), or
>if for some reason browsers are supposed to do this and they all just
>haven't been.
>
>In the end, I figure I'll have to try caching the image for a second or two
>and hopefully that'll calm FF's load-crazy ways.  But oh how wrong it would
>feel to do so.
>
>Happy belated Turkeys...
>
>Thanks!!!
>
>Mark Armendariz
>
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