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How to set up Unicode

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How to set up Unicode

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[...]
AddDefaultCharset UTF-8
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## 5. PHP string functions ##
PHP needs to use UTF-8 internally in order for e.g. string length validation to work correctly. Full Unicode support will be available in PHP 6 and is still [work in progress](http://www.php.net/~scoates/unicode/render_func_data.php).
For the time being t
 
### mbstring
 
 
The alternative is to use [mbstring functions](http://de.php.net/manual/en/ref.mbstring.php) instead of the non-multibyte aware counterparts. Since mbstring is a non-default extension it might not be available on every host. That's one of the reasons why Yii uses the non-multibyte functions like strlen() instead of mb_strlen().
 
 
One workaround by default.
 
 
#### Using mbstring with Yii > 1.1.1
 
Since version 1.1.1 you can use the [encoding](http://www.yiiframework.com/doc/api/CStringValidator#encoding-detail) parameter of CStringValidator. If you set it to `utf-8` it will use the mbstring functions for different string validation operations.
 
 
#### Using mbstring with older versions of Yii
 
 
A workaround for older releases is to use mbstring's [function overloading feature](http://de.php.net/manual/en/mbstring.overload.php). This will override then non-multibyte aware functions with their mbstring counterpart. To set this up add this in your php.ini:

~~~
[...]
### Links
[Chinese version](http://dreamneverfall.cnprojects.ourplanet.tk/node/84)
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Viewed: 143 476 times
Version: 1.1
Category: How-tos
Tags: i18n, unicode
Written by: Mike Mike
Last updated by: Roman Solomatin Roman Solomatin
Created on: Feb 21, 2009
Last updated: 12 years ago
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