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Bug #33483 There is a delay in retrieving a webpage from some sites using file()
Submitted: 2005-06-27 04:13 UTC Modified: 2005-06-30 08:59 UTC
From: bong at icasolution dot com dot au Assigned:
Status: Not a bug Package: HTTP related
PHP Version: 4.3.10 OS: Linux Ubuntu (Hoary Hedgehog)
Private report: No CVE-ID: None
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 [2005-06-27 04:13 UTC] bong at icasolution dot com dot au 
Description:
------------
When retrieving a web page using file() from, say, http://www.tabonline.com.au, there is a delay of several seconds before the page is actually retrieved. This happens under Ubuntu (Hoary Hedgehog, using PHP 4.3.10) and also Fedora Core 3 (PHP 5.0.4). I don't get the delay under Fedora Core 1 (PHP 4.3.8) or Red Hat 7.3. (PHP 4.3.9).

Reproduce code:
---------------
<?php

$file = file("http://www.tabonline.com.au/2005/06/24/QR04.html");
print_r($file);

?>


Expected result:
----------------
HTML of the retrieved page, which I get, but not before a delay of several seconds.

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 [2005-06-27 10:52 UTC] tony2001@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php4-STABLE-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php4-win32-STABLE-latest.zip
 [2005-06-30 08:41 UTC] bong at icasolution dot com dot au 
Tried the CVS snapshot (php4-STABLE-200506300435) on my Fedora Core 3 system and had the same problem (took about 30 seconds to download the page). Tried the same script on a FreeBSD 5.4 box and had no delays.

I think this delay occurs with Linux 2.6 kernels.
 [2005-06-30 08:45 UTC] bong at icasolution dot com dot au 
Sorry, forgot to mention that the URL for testing needs to be updated as it expires after some days. The URL is date-based so get a valid page for 30 June 2005, the URL would be:

http://www.tabonline.com.au/2005/06/30/QR04.html

and for 1 July 2005, it would be:

http://www.tabonline.com.au/2005/07/01/QR04.html

and so on.
 [2005-06-30 08:59 UTC] sniper@php.net 
Linux kernel issues are not PHP bugs..
 
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