关于zend soap,该如何解决

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xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap-enc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" name="Bss_Mailservice" targetNamespace="http://split.bss.com/interface/index/mailservice"><br />
<types><br />
<xsd:schema targetNamespace="http://split.bss.com/interface/index/mailservice"/><br />
</types><br />
<portType name="Bss_MailservicePort"><br />
<operation name="auth"><br />
<documentation>auth</documentation><br />
<input message="tns:authIn"/><br />
</operation><br />
<operation name="send"><br />
<documentation>send</documentation><br />
<input message="tns:sendIn"/><br />
</operation><br />
</portType><br />
<binding name="Bss_MailserviceBinding" type="tns:Bss_MailservicePort"><br />
<soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/><br />
<operation name="auth"><br />
<soap:operation soapAction="http://split.bss.com/interface/index/mailservice#auth"/><br />
<input><br />
<soap:body use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://split.bss.com/interface/index/mailservice"/><br />
</input><br />
<output><br />
<soap:body use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://split.bss.com/interface/index/mailservice"/><br />
</output><br />
</operation><br />
<operation name="send"><br />
<soap:operation soapAction="http://split.bss.com/interface/index/mailservice#send"/><br />
<input><br />
<soap:body use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://split.bss.com/interface/index/mailservice"/><br />
</input><br />
<output><br />
<soap:body use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://split.bss.com/interface/index/mailservice"/><br />
</output><br />
</operation><br />
</binding><br />
<service name="Bss_MailserviceService"><br />
<port name="Bss_MailservicePort" binding="tns:Bss_MailserviceBinding"><br />
<soap:address location="http://split.bss.com/interface/index/mailservice"/><br />
</port><br />
</service><br />
<message name="authIn"><br />
<part name="appkey" type="xsd:anyType"/><br />
</message><br />
<message name="sendIn"><br />
<part name="to" type="xsd:anyType"/><br />
<part name="cc" type="xsd:anyType"/><br />
<part name="bcc" type="xsd:anyType"/><br />
<part name="subject" type="xsd:anyType"/><br />
<part name="body" type="xsd:anyType"/><br />
</message><br />
</definitions><br />

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   /**<br>
     * <br>
     * 发送邮件<br>
     * @param string $to<br>
     * @param string $cc<br>
     * @param string $bcc<br>
     * @param string $subject<br>
     * @param string $body <div class="clear">
                 
              
              
        
            </div>