SoapServer ISO-8859-1 encoding doesn't seem to work

Hi

I'm using php 5.2.3 (also tested on php 5.2.9).  For some reason, even though I am setting the reply encoding:

ini_set("soap.wsdl_cache_enabled", "0"); // disable WSDL caching

$server = new SoapServer("test.wsdl", array('encoding'=>'ISO-8859-1'));
$server->setClass("ManualService");
$server->handle();

The reply from the server is:

Date: Wed, 27 May 2009 15:30:08 GMT
Server: Apache/1.3.37 (Unix) mod_gzip/1.3.26.1a PHP/5.2.9
X-Powered-By: PHP/5.2.9
Content-Length: 1058
Keep-Alive: timeout=15, max=100
Connection: Keep-Alive
Content-Type: text/xml; charset=utf-8


<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<SOAP-ENV:Envelope   xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
                     xmlns:ns1="http://www.test.com/test/"
                     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

  <SOAP-ENV:Body>
    <ns1:SyUserGetResponse>
      <UserGetResponse>

         -- trimmed and formatted for readability --

      </UserGetResponse>
    </ns1:SyUserGetResponse>
  </SOAP-ENV:Body>

</SOAP-ENV:Envelope>

What am I doing wrong?

Thanks in advance,

Bruce


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