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Bug #19525 Yet Another Output Buffering Issue (YAOBI)
Submitted: 2002-09-20 09:12 UTC Modified: 2002-09-23 09:23 UTC
From: sebastian@php.net Assigned: jmoore (profile)
Status: Closed Package: Output Control
PHP Version: 4CVS-2002-09-21 OS: All modules in ZTS mode
Private report: No CVE-ID: None
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 [2002-09-20 09:12 UTC] sebastian@php.net 
  Here is a reproducing script. It does not make sense, because it is
  ripped out of its XML_Transformer context:

    <?php
    ob_start('callback');
    
    function callback($buffer) {
    ob_start();
    eval($buffer);
    $result = ob_get_contents();
    ob_end_clean();
    return $result;
    }
    ?>
    echo 'test';

    PHP 4.2.3

      Fatal error: Cannot use output buffering in output buffering
      display handlers

    HEAD

      Neither output nor error message.

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 [2002-09-20 09:51 UTC] derick@php.net 
Both Andrei and myself were not be able to reproduce this. We both got the error message with CVS HEAD>
Perhaps it is related to settings in php.ini, or related to the SAPI?
Can you point us to the php.ini and tell which SAPI you used?

Derick
 [2002-09-20 10:40 UTC] sebastian@php.net 
I tested this with both CGI and CLI SAPI modules.

My php.ini is below.

allow_call_time_pass_reference = Off
error_reporting  =  E_ALL & ~E_NOTICE
display_errors = On
display_startup_errors = On
report_memleaks = On
register_globals = Off
register_argc_argv = On
include_path = ".;c:\server\pear;c:\server\htdocs"

extension_dir = c:\home\php\php4\release_ts
;extension=php_adt.dll
;extension=php_gd.dll

session.save_path = c:\server\apache\sessions\
url_rewriter.tags = "a=href, area=href, frame=src, input=src, form=fakeentry"

docref_ext  = ".html"
docref_root = "file:///C:/Dokumente und Einstellungen/Administrator/Eigene Dateien/PHP Manual/"
 [2002-09-20 15:23 UTC] derick@php.net 
Verified under Windows, Linux works fine
 [2002-09-21 12:15 UTC] derick@php.net 
Just tested on Linux with a CLI build with --enable-experimental-zts and this doesn't show any error either.

Derick
 [2002-09-21 12:30 UTC] jmoore@php.net 
This is a ZTS issue (Derick tested under linux with ZTS enabled and it failed).
 [2002-09-21 12:31 UTC] derick@php.net 
resetting my info
 [2002-09-23 09:23 UTC] zeev@php.net 
This bug has been fixed in CVS.

In case this was a PHP problem, 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/.
 
In case this was a documentation problem, the fix will show up soon at
http://www.php.net/manual/.

In case this was a PHP.net website problem, the change will show
up on the PHP.net site and on the mirror sites in short time.
 
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