To access via a SOAP client use wsdl.php?WSDL
Send a favourite colour and number to a text file.
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<wsdl:definitions
xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
xmlns:s="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.darkerwhite.com/"
xmlns:tns="http://www.darkerwhite.com/"
name="MyExampleWebServiceAccessPoint"
>
<wsdl:types>
<s:schema elementFormDefault="qualified" targetNamespace="http://www.darkerwhite.com/">
<s:element name="ChooseColourRequest">
<s:complexType><s:sequence>
<s:element minOccurs="1" maxOccurs="1" name="Name" type="s:string" />
<s:element minOccurs="1" maxOccurs="1" name="FavColour" type="s:string" />
<s:element minOccurs="1" maxOccurs="1" name="FavNumber" type="s:int" />
</s:sequence></s:complexType>
</s:element>
<s:element name="ChooseColourResponse">
<s:complexType><s:sequence>
<s:element minOccurs="1" maxOccurs="1" name="Success" type="s:boolean" />
</s:sequence></s:complexType>
</s:element>
</s:schema>
</wsdl:types>
<wsdl:message name="ChooseColourRequest">
<wsdl:part name="parameters" element="tns:ChooseColourRequest" />
</wsdl:message>
<wsdl:message name="ChooseColourResponse">
<wsdl:part name="parameters" element="tns:ChooseColourResponse" />
</wsdl:message>
<wsdl:portType name="ChooseColourPortType">
<wsdl:operation name="ChooseColour">
<wsdl:input message="tns:ChooseColourRequest" />
<wsdl:output message="tns:ChooseColourResponse" />
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="ChooseColourBinding" type="tns:ChooseColourPortType">
<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http" />
<wsdl:operation name="ChooseColour">
<soap:operation soapAction="http://render.pubml.com/soap-service.php#ChooseColour" style="document" />
<wsdl:input><soap:body use="literal" /></wsdl:input>
<wsdl:output><soap:body use="literal" /></wsdl:output>
<wsdl:documentation>Send a favourite colour and number to a text file.</wsdl:documentation>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="MyExampleWebServiceAccessPoint">
<wsdl:port name="ChooseColourPort" binding="tns:ChooseColourBinding">
<soap:address location="http://render.pubml.com/soap-service.php" />
</wsdl:port>
</wsdl:service>
</wsdl:definitions>