SOAP: php simple example

client.php

<?php
// Disable WSDL caching
ini_set("soap.wsdl_cache_enabled", "0");

$wsdl = "http://localhost:8000/service.wsdl";

try
{
    $a = 4;
    $b = 5;

    $client = new SoapClient($wsdl);
    $result = $client->addNumbers($a, $b);
    echo "The result of adding {$a} and {$b} is: {$result}\n";

}
catch (Exception $e)
{
    echo "Error: " . $e->getMessage()."\n";
}

index.php

<?php
// Disable WSDL caching
ini_set("soap.wsdl_cache_enabled", "0");

// Define the function that will be available via SOAP
function addNumbers($a, $b)
{
    return $a + $b;
}

// Define the server class
class MySoapServer
{
    public function addNumbers($a, $b)
    {
        return addNumbers($a, $b);
    }
}

$server = new SoapServer(null, array('uri' => "http://localhost:8000"));
$server->setClass('MySoapServer');
$server->handle();

service.wsdl

<?xml version="1.0" encoding="UTF-8"?>
<definitions name="MySoapService"
    xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    xmlns="http://schemas.xmlsoap.org/wsdl/">

    <message name="addNumbersRequest">
        <part name="a" type="xsd:int"/>
        <part name="b" type="xsd:int"/>
    </message>

    <message name="addNumbersResponse">
        <part name="result" type="xsd:int"/>
    </message>

    <portType name="MySoapPortType">
        <operation name="addNumbers">
            <input message="tns:addNumbersRequest"/>
            <output message="tns:addNumbersResponse"/>
        </operation>
    </portType>

    <binding name="MySoapBinding" type="tns:MySoapPortType">
        <soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
        <operation name="addNumbers">
            <input>
                <soap:body use="literal" />
            </input>
            <output>
                <soap:body use="literal" />
            </output>
        </operation>
    </binding>

    <service name="MySoapService">
        <port name="MySoapPort" binding="tns:MySoapBinding">
            <soap:address location="http://localhost:8000"/>
        </port>
    </service>
</definitions>

Run server:

php -S localhost:8000

Exec client:

php client.php

Result

The result of adding 4 and 5 is: 9