From:             nicolas dot grekas+php at gmail dot com
Operating system: WIN
PHP version:      5.2.1
PHP Bug Type:     Streams related
Bug description:  headers sent when using php://output + ob_start

Description:
------------
Opening the php://output stream seams to flag the headers as sent, event
if output buffering is on. Consequently, any call to header() fails where
it shouldn't.

Affects any extension that uses streams.


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

ob_start();
$h = fopen('php://output', 'wb');
fclose($h);
ob_end_clean();

header('X-Foo: bar');

?>

Or

<?php

ob_start();
$dom = new DOMDocument;
$dom->save('php://output');
ob_end_clean();

header('X-Foo: bar');

?>

Expected result:
----------------
blank page

Actual result:
--------------
Warning: Cannot modify header information - headers already sent in
C:\[...]\test.php on line 8

-- 
Edit bug report at http://bugs.php.net/?id=40429&edit=1
-- 
Try a CVS snapshot (PHP 4.4): 
http://bugs.php.net/fix.php?id=40429&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): 
http://bugs.php.net/fix.php?id=40429&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): 
http://bugs.php.net/fix.php?id=40429&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=40429&r=fixedcvs
Fixed in release:             
http://bugs.php.net/fix.php?id=40429&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=40429&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=40429&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=40429&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=40429&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=40429&r=notwrong
Not enough info:              
http://bugs.php.net/fix.php?id=40429&r=notenoughinfo
Submitted twice:              
http://bugs.php.net/fix.php?id=40429&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=40429&r=globals
PHP 3 support discontinued:   http://bugs.php.net/fix.php?id=40429&r=php3
Daylight Savings:             http://bugs.php.net/fix.php?id=40429&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=40429&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=40429&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=40429&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=40429&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=40429&r=mysqlcfg

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