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Bug #30803 Function Repeat Twice
Submitted: 2004-11-16 01:39 UTC Modified: 2004-11-18 13:16 UTC
From: icui at email dot it Assigned:
Status: Not a bug Package: Apache2 related
PHP Version: 4.3.9 OS: Linux 2.6.3
Private report: No CVE-ID: None
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 [2004-11-16 01:39 UTC] icui at email dot it 
Description:
------------
The following script generates two files copies. 

The same script executed without Apache works properly and generates single file copy.

With $URL_CSS_ defined works properly. (row 13)

Deleting row 15 works properly.

Apache seems to execute twice the script, second in background. I don't understand why.


Tested with:
Php 5.0.1 - 4.3.9 - 4.3.4 
On Linux System kernel 2.4, 2.6


NB. In Windows seems to work properly. (not tested personally)


Reproduce code:
---------------
<?
$id       = uniqid('bug');
$wrk_dir  = '';                     // Working Directory
$src_file = 'grab.jpg';             // Source File
$dst_file = 'tmpgrab_'.$id.'.jpg';  // New File

echo 'Source File      ='.$src_file.'<br />';   // Print Source File Name
echo 'Destination File ='.$dst_file.'<br />';   // Print Destination File Name

if (!copy($wrk_dir.$src_file, $wrk_dir.$dst_file)) {
           echo 'Failed to copy.<br />';
}
//$URL_CSS_='string';
?>
<link rel="stylesheet" href="<?=$URL_CSS_?>" type="text/css" />

Expected result:
----------------
I expect that a new file is created in my $wrk_dir

Actual result:
--------------
Script generates two copies from original file.

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 [2004-11-16 08:34 UTC] derick@php.net 
Sorry, but your problem does not imply a bug in PHP itself.  For a
list of more appropriate places to ask for help using PHP, please
visit http://www.php.net/support.php as this bug system is not the
appropriate forum for asking support questions. 

Thank you for your interest in PHP.

.
 [2004-11-17 11:55 UTC] icui at email dot it 
I reproduce this problem in another way. 
It's possible there is a problem in php module? 

Run following two pages in your system and see apache log file.
On linux system. 

---------------
filename

content
---------------


----------------------------------------
page.htm

<img src="" alt="No source specified" />
----------------------------------------


----------------------------------------
page.php

<img src="" alt="No source specified" />
----------------------------------------


htm extension: page run properly, once.
log: 
192.168.1.2 - - [17/Nov/2004:00:44:17 +0100] "GET /bug/page.htm HTTP/1.1" 200 41


php extension: page run twice.
log:
192.168.1.2 - - [17/Nov/2004:00:44:27 +0100] "GET /bug/page.php HTTP/1.1" 200 41
192.168.1.2 - - [17/Nov/2004:00:44:27 +0100] "GET /bug/page.php HTTP/1.1" 200 41


If you specify src, page works properly. 
I'm not sure that it's a php bug (apache2 related), apache bug or nothing of all that.


Thanks for your interest.
 [2004-11-17 14:55 UTC] icui at email dot it 
Hi, 

two GET in log files.... 
It's a browser problem, sorry for the mistake and thanks for your interest.

Bye!
 [2004-11-18 08:40 UTC] derick@php.net 
It is not a browser mistake, it is supposed to retrieve the same url when an empty one is passed to img src="".
 [2004-11-18 13:16 UTC] icui at email dot it 
I finally understood the problem posting on newsgroup and forum. Now I'm trying to understand if its behaviour is correct; other browsers (opera & iexplorer e.g.) don't send multiple "GET" requests to the current page if there's <img src="">

...but I'm fallin' in off-topic now, I don't want to abuse of your kindness. ;)

thankyou very much!
 
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