Source for file emptysa.wsdl.php

<?php
header('Content-Type: text/xml');
echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"; ?>
<definitions name="SoapInterop" targetNamespace="http://soapinterop/" 
        xmlns:wsdlns="http://soapinterop/" 
        xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" 
        xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
        xmlns="http://schemas.xmlsoap.org/wsdl/">
    <types/>
    <message name="echoStringRequest">
        <part name="a" type="xsd:string"/>
    </message>
    <message name="echoStringResponse">
        <part name="Result" type="xsd:string"/>
    </message>
    <portType name="SoapInteropEmptySAPortType">
        <operation name="echoString" parameterOrder="a">
            <input message="wsdlns:echoStringRequest"/>
            <output message="wsdlns:echoStringResponse"/>
        </operation>
    </portType>
    <binding name="SoapInteropEmptySABinding" type="wsdlns:SoapInteropEmptySAPortType">
        <soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
        <operation name="echoString">
            <soap:operation soapAction=""/>
            <input>
                <soap:body use="encoded" namespace="http://soapinterop/" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
            </input>
            <output>
                <soap:body use="encoded" namespace="http://soapinterop/" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
            </output>
        </operation>
    </binding>
    <service name="EmptySA">
        <port name="SoapInteropEmptySAPort" binding="wsdlns:SoapInteropEmptySABinding">
            <soap:address location="http://<?php echo $_SERVER["SERVER_NAME"].':'.$_SERVER["SERVER_PORT"];?>/soap_interop/server_Round3GroupDEmptySA.php"/>
        </port>
    </service>
</definitions>