consume.php

<?php
// Load the classes constructed by wsdl2php
require_once 'ecmasService.php';

// Define the SOAP options.
$a_SoapOptions = array
    (
    'encoding'  => 'UTF-8',
    'exception' => True, // Turn SOAPFaults into Exceptions so PHP can report upon them.
    'trace'     => True, // Turn on tracing so we can see EXACTLY what the headers and request/response are.
    );

// As we are going to need to display XML, use Tidy to make it pretty.
$a_TidyConfig = array
    (
    'indent'            => 4,
    'indent-attributes' => true,
    'input-xml'         => true,
    'output-xml'        => true,
    'wrap'              => 0,
    );
$o_Tidy = new Tidy;

$s_WsdlUrl = "a.wsdl"; // Using a local edited copy of the wsdl you posted.

// Use a try/catch loop to talk to the services.

try
    {
    // Create a service.
    $o_Service = new ecmasService($s_WsdlUrl, $a_SoapOptions);

    // Create the parameters
    $o_UserLoginParams = new userLogin;
    $o_UserLoginParams->username = 'MyUsername';
    $o_UserLoginParams->password = 'MyPassword';

    // Call the method.
    $o_UserLoginResponse = $o_Service->userLogin($o_UserLoginParams);

    // Extract the results.
    $s_Token = $o_UserLoginResponse->token;

    // For some services, the results are raw XML and not a WSDL provided complex type. If this is the case, convert the XML to a simplexml object.
    // $o_HelloWorldResults = simplexml_load_string($o_HelloWorldResponse->HelloWorldResult;);

    // Display the results as they are.
    echo PHP_EOL,

        // Show trace.
        'Request Headers', PHP_EOL,
        '---------------', PHP_EOL,
        $o_Service->__getLastRequestHeaders(), PHP_EOL,

        'Request', PHP_EOL,
        '-------', PHP_EOL,
        $o_Tidy->repairString($o_Service->__getLastRequest(), $a_TidyConfig), PHP_EOL, PHP_EOL,

        'Response Headers', PHP_EOL,
        '----------------', PHP_EOL,
        $o_Service->__getLastResponseHeaders(), PHP_EOL,

        'Response', PHP_EOL,
        '--------', PHP_EOL,
        $o_Tidy->repairString($o_Service->__getLastResponse(), $a_TidyConfig), PHP_EOL, PHP_EOL, PHP_EOL,

        'Response interpreted', PHP_EOL,
        '--------------------', PHP_EOL,
        print_r($s_Token, True), PHP_EOL;

    }
catch(Exception $e)
    {
    echo PHP_EOL,

        // Show trace.
        'Request Headers', PHP_EOL,
        '---------------', PHP_EOL,
        $o_Service->__getLastRequestHeaders(), PHP_EOL,

        'Request', PHP_EOL,
        '-------', PHP_EOL,
        $o_Tidy->repairString($o_Service->__getLastRequest(), $a_TidyConfig), PHP_EOL, PHP_EOL,

        'Response Headers', PHP_EOL,
        '----------------', PHP_EOL,
        $o_Service->__getLastResponseHeaders(), PHP_EOL,

        'Response', PHP_EOL,
        '--------', PHP_EOL,
        $o_Tidy->repairString($o_Service->__getLastResponse(), $a_TidyConfig), PHP_EOL, PHP_EOL, PHP_EOL,

        // Show exception.
        'Exception', PHP_EOL,
        '---------', PHP_EOL,
        $e->getMessage(), PHP_EOL;
    }