#38860 [NEW]: preg_match returns wrong positions of matched substrings when UTF-8 is used

From: Date: Sun, 17 Sep 2006 14:29:47 +0000
Subject: #38860 [NEW]: preg_match returns wrong positions of matched substrings when UTF-8 is used
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-102310@lists.php.net to get a copy of this message 
From:             me at andr dot biz
Operating system: freebsd 6.1
PHP version:      4.4.4
PHP Bug Type:     PCRE related
Bug description:  preg_match returns wrong positions of matched substrings when UTF-8 is used

Description:
------------
/*Guys! Your bugtracking software hase problems with cyrillic symbols. I
encoded all my words in example into HTML-entities. Please decode them to
UTF-8 before reproducing */

It processes UTF-8 strings incorrectly.

Firstly, please see the article:http://www.phpwact.org/php/i18n/utf-8 This
article has so many described PHP bugst related to UTF-8. I think that ALL
theese bugs must be fixed ASAP.

Reproduce code:
---------------
<pre>
<?php

if (!setlocale(LC_ALL,"ru_RU.UTF-8")) die('error');

$textUtf8 = "&#1087;&#1088;&#1080;&#1074;&#1077;&#1090;
&#1072;&#1085;&#1076;&#1088;&#1077;&#1081;";
preg_match('/&#1072;&#1085;&#1076;&#1088;&#1077;&#1081;/u',
$textUtf8,
$matches, PREG_OFFSET_CAPTURE);

print_r($matches);

?>
</pre>

Expected result:
----------------
Array
(
    [0] => Array
        (
            [0] => &#1072;&#1085;&#1076;&#1088;&#1077;&#1081;
            [1] => 7
        )

)

Actual result:
--------------
Array
(
    [0] => Array
        (
            [0] => &#1072;&#1085;&#1076;&#1088;&#1077;&#1081;
            [1] => 13
        )

)

-- 
Edit bug report at http://bugs.php.net/?id=38860&edit=1
-- 
Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=38860&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=38860&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=38860&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=38860&r=fixedcvs
Fixed in release:             http://bugs.php.net/fix.php?id=38860&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=38860&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=38860&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=38860&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=38860&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=38860&r=notwrong
Not enough info:              http://bugs.php.net/fix.php?id=38860&r=notenoughinfo
Submitted twice:              http://bugs.php.net/fix.php?id=38860&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=38860&r=globals
PHP 3 support discontinued:   http://bugs.php.net/fix.php?id=38860&r=php3
Daylight Savings:             http://bugs.php.net/fix.php?id=38860&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=38860&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=38860&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=38860&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=38860&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=38860&r=mysqlcfg

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