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Bug #45691 some per-dir or runtime settings may leak into other requests
Submitted: 2008-08-02 20:18 UTC Modified: 2008-08-02 20:56 UTC
From: moriyoshi@php.net Assigned: moriyoshi (profile)
Status: Closed Package: mbstring related
PHP Version: 5.2.6 OS: Irrelevant
Private report: No CVE-ID: None
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 [2008-08-02 20:18 UTC] moriyoshi@php.net
Description:
------------
Some per-dir or runtime settings that is set in a request pollutes the global state of the extension and they leak into another request when the web server's forked instances are reused between connections and no corresponding system settings are provded.


Reproduce code:
---------------
<?php
// run without any system settings.

// if the language is set to neutral,
// the default value for the internal encoding is ISO-8859-1
var_dump(mb_internal_encoding());
ini_set('mbstring.internal_encoding', 'UTF-8');
var_dump(mb_internal_encoding());
?>


Expected result:
----------------
The first request:
ISO-8859-1
UTF-8

The second request:
ISO-8859-1
UTF-8

Actual result:
--------------
The first request:
ISO-8859-1
UTF-8

The second request:
UTF-8
UTF-8

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 [2008-08-02 20:56 UTC] moriyoshi@php.net
This bug has been fixed in CVS.

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/.
 
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