Bug #51919 [NEW]: $str[] unexpected result with multibyte character

From: Date: Wed, 26 May 2010 09:53:19 +0000
Subject: Bug #51919 [NEW]: $str[] unexpected result with multibyte character
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-150831@lists.php.net to get a copy of this message 
From:             
Operating system: WinXP, Linux Debian
PHP version:      Irrelevant
Package:          Strings related
Bug Type:         Bug
Bug description:$str[] unexpected result with multibyte character

Description:
------------
When you access a multibyte character in an UTF-8 encoded string using
array 
brackets [] it only returns the first byte instead of the full character.

WindowsXP SP3 PHP 5.3.0
WindowsXP SP3 PHP 5.3.2
Linux Debian  PHP 5.2.6-1+lenny8
Linux Debian  PHP 5.3.2-0.dotdeb.2

PHP Ini settings:
default_charset = "utf-8"
mbstring.internal_encoding = UTF-8
mbstring.func_overload = 7

http://us.php.net/manual/en/language.types.string.php#language.types.string.substr

Test script:
---------------
<?php

    $sStr = "André";

    var_dump($sStr);
    var_dump($sStr[4]);

?>

Expected result:
----------------
string(6) "André" 
string(1) "é"

Actual result:
--------------
string(6) "André" 
string(1) "�"

-- 
Edit bug report at http://bugs.php.net/bug.php?id=51919&edit=1
-- 
Try a snapshot (PHP 5.2):            http://bugs.php.net/fix.php?id=51919&r=trysnapshot52
Try a snapshot (PHP 5.3):            http://bugs.php.net/fix.php?id=51919&r=trysnapshot53
Try a snapshot (trunk):              http://bugs.php.net/fix.php?id=51919&r=trysnapshottrunk
Fixed in SVN:                        http://bugs.php.net/fix.php?id=51919&r=fixed
Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=51919&r=needdocs
Fixed in release:                    http://bugs.php.net/fix.php?id=51919&r=alreadyfixed
Need backtrace:                      http://bugs.php.net/fix.php?id=51919&r=needtrace
Need Reproduce Script:               http://bugs.php.net/fix.php?id=51919&r=needscript
Try newer version:                   http://bugs.php.net/fix.php?id=51919&r=oldversion
Not developer issue:                 http://bugs.php.net/fix.php?id=51919&r=support
Expected behavior:                   http://bugs.php.net/fix.php?id=51919&r=notwrong
Not enough info:                     http://bugs.php.net/fix.php?id=51919&r=notenoughinfo
Submitted twice:                     http://bugs.php.net/fix.php?id=51919&r=submittedtwice
register_globals:                    http://bugs.php.net/fix.php?id=51919&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=51919&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=51919&r=dst
IIS Stability:                       http://bugs.php.net/fix.php?id=51919&r=isapi
Install GNU Sed:                     http://bugs.php.net/fix.php?id=51919&r=gnused
Floating point limitations:          http://bugs.php.net/fix.php?id=51919&r=float
No Zend Extensions:                  http://bugs.php.net/fix.php?id=51919&r=nozend
MySQL Configuration Error:           http://bugs.php.net/fix.php?id=51919&r=mysqlcfg

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