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Bug #38681 _SERVER not in UTF-8
Submitted: 2006-09-01 14:31 UTC Modified: 2006-09-01 15:33 UTC
From: bretschneider at cleverbridge dot com Assigned:
Status: Not a bug Package: *Unicode Issues
PHP Version: 5.1.6 OS: Linux 2.6.12-1.1381_FC3
Private report: No CVE-ID: None
View Developer Edit
 [2006-09-01 14:31 UTC] bretschneider at cleverbridge dot com 
Description:
------------
my php.ini:

...
mbstring.func_overload=6;
mbstring.internal_encoding=UTF-8;
mbstring.http_input = auto;
mbstring.detect_order = ISO-8859-1,UTF-8;
mbstring.encoding_translation = On;
...

the internal encoding of php is utf-8. but somehow the $_SERVER vars do not seam to be utf-8 encoded. when you start to build an xml-soap request with including the httpUserAgent you get the following soap-client error.

 Code: Client
        Msg: SOAP-ERROR: Encoding: string 'xxxxxx' is not a valid utf-8 string

using the dom-extension soapClient.

this does not happen if you just put form-variables into the  soap-request.

so i started to debug the difference between a _SERVER var and a _REQUEST var.



Reproduce code:
---------------
Your http useragent name is:

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Navegador IE6  de Grupo Cortefiel - T?cnica de Sistemas (c); SV1; .NET CLR 1.1.4322)

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
 <meta http-equiv="content-type" content="text/html; charset=utf-8" />
</head>
<body>
 <form action="utf8.php" method="POST">
  <input type="text" name="browser" size="40" />
 </form>
<pre>
<?php

print $_SERVER['HTTP_USER_AGENT']."\n";
print Strlen($_SERVER['HTTP_USER_AGENT'])."\n";
print strlen($_SERVER['HTTP_USER_AGENT'], 'iso-8859-1')."\n";

if (isset($_REQUEST['browser'])) {
print $_REQUEST['browser']."\n";
print Strlen($_REQUEST['browser'])."\n";
print strlen($_REQUEST['browser'], 'iso-8859-1')."\n";
}
?>
</pre>
</body>
</html>


Expected result:
----------------
_SERVER VAR:
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Navegador IE6  de Grupo Cortefiel - T?cnica de Sistemas (c); SV1; .NET CLR 1.1.4322)
135
136

_REQUEST VAR:
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Navegador IE6  de Grupo Cortefiel - T?cnica de Sistemas (c); SV1; .NET CLR 1.1.4322)
135
136

Actual result:
--------------
_SERVER VAR:
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Navegador IE6  de Grupo Cortefiel - T?cnica de Sistemas (c); SV1; .NET CLR 1.1.4322)
133
135

_REQUEST VAR:
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Navegador IE6  de Grupo Cortefiel - T?cnica de Sistemas (c); SV1; .NET CLR 1.1.4322)
135
136

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 [2006-09-01 15:33 UTC] tony2001@php.net 
_SERVER variables have nothing to do with mbstring extension, they contain data from external sources, which PHP cannot affect.
Not PHP problem.
 
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