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Bug #49508 encoding problems with preg_replace
Submitted: 2009-09-09 07:48 UTC Modified: 2009-09-09 08:57 UTC
From: stas at metalinfo dot ru Assigned:
Status: Not a bug Package: PCRE related
PHP Version: 5.2.10 OS: Debian Lenny
Private report: No CVE-ID: None
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From: stas at metalinfo dot ru
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 [2009-09-09 07:48 UTC] stas at metalinfo dot ru 
Description:
------------
preg_replace changes replaced string encoding when replacement parameter is double quoted.

Reproduce code:
---------------
$source = 'asdfasd asdf asdf [company=456[replacement]] asdf';
echo preg_replace('~\[\s*company=([0-9]+)\[\s*([^\]]+\s*)\]\]~', '\2', $source);
echo preg_replace('~\[\s*company=([0-9]+)\[\s*([^\]]+\s*)\]\]~', "\2", $source);

Expected result:
----------------
asdfasd asdf asdf replacement asdf
asdfasd asdf asdf replacement asdf

Actual result:
--------------
asdfasd asdf asdf replacement asdf
asdfasd asdf asdf  asdf

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 [2009-09-09 08:57 UTC] jani@php.net 
\?is escape char inside double quotes. If you use double quotes, you need to escape the escape char: "\\1"
 
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