Description:
------------
if WSDL schema contain 'any' element soap client failed


part of wsdl schema:
wsdl:definitions targetNamespace="url">
<wsdl:documentation>The Webservice for Saving Orders</wsdl:documentation>
<wsdl:types>
<s:schema elementFormDefault="qualified" targetNamespace="url">
<s:element name="SaveOrder">
<s:complexType>
<s:sequence>
<s:element minOccurs="0" maxOccurs="1" name="xmlOrder">
<s:complexType mixed="true">
<s:sequence>

<s:any/>

</s:sequence>
</s:complexType>
</s:element>
</s:sequence>
</s:complexType>
</s:element>

Test script:
---------------
$url = 'url?wsdl';
$params = array(
	'xmlOrder'	=> 
	         array(
		'OrderInfo'	=> array( 
		        'OrderId'=> 5555,
                        )
                 )
          )

$client = new SoapClient($url, array('soap_version'   => SOAP_1_2));
//changing soap version doesn't reflect result
$client->__getFunctions();
$result = $client->SaveOrder($params);

Expected result:
----------------
result from web service call

Actual result:
--------------
Fatal error: Uncaught SoapFault exception: [Sender] SOAP-ERROR: Encoding: object 
hasn't 'any' property in /xxx/script.php:78 Stack trace: #0 /xxx/script.php(78): 
SoapClient->__call('SaveOrder', Array) #1 /xxx/script.php(78): SoapClient-
>SaveOrder(Array) #2 {main} thrown in /xxx/script.php on line 78