Web Services in PHP

Load in the SOAP Client

<?php require 'SOAP/Client.php'; ?>

Generate Client Proxy (for Amazon.Com)

<?php
// We have human readable explanation of the API.
$wsdl_url = 'http://soap.amazon.com/schemas3/AmazonWebServices.wsdl';
$WSDL = new SOAP_WSDL($wsdl_url); 
$client = $WSDL->getProxy(); 
?>

Web Service Description Language (WSDL)

Machine readable description (XML) of a web service. Used here to define server's methods and parameters.