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Bug #61820 using ob_gzhandler will complain about headers already sent when no compression
Submitted: 2012-04-23 00:19 UTC Modified: 2012-04-24 17:56 UTC
From: magicaltux@php.net Assigned: mike
Status: Closed Package: Zlib related
PHP Version: 5.4.0 OS: Linux
Private report: No CVE-ID:
 [2012-04-23 00:19 UTC] magicaltux@php.net
Description:
------------
When using ob_gzhandler with PHP 5.4.0+, PHP will emit warnings after flushing 
more than once (it looks like it's trying to modify headers on each flush).

This problem didn't exist in PHP 5.3.


Test script:
---------------
<?php

ob_start('ob_gzhandler');

echo "PHP VERSION ".phpversion()."\n";
ob_flush();
flush();

echo "This is confusing:\n";
ob_flush();
flush();


Expected result:
----------------
PHP VERSION 5.5.0-dev
This is confusing:

Actual result:
--------------
PHP VERSION 5.5.0-dev
This is confusing:

Warning: Cannot modify header information - headers already sent by (output 
started at php-src/moo.php:6) in php-src/moo.php on line 10


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History

AllCommentsChangesGit/SVN commitsRelated reports
 [2012-04-23 09:01 UTC] mike@php.net
-Status: Open +Status: Assigned -Assigned To: +Assigned To: mike
 [2012-04-24 17:53 UTC] mike@php.net
Automatic comment on behalf of mike
Revision: http://git.php.net/?p=php-src.git;a=commit;h=df00b64cb93dafbe5ae47bf733e826b54b32ae37
Log: fixed bug #61820
 [2012-04-24 17:56 UTC] mike@php.net
-Status: Assigned +Status: Closed
 [2012-04-24 17:56 UTC] mike@php.net
This bug has been fixed in SVN.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.

 For Windows:

http://windows.php.net/snapshots/
 
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