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I’ve just finished giving my presentation on XML & Web Services with PHP (An Overview). Overall, I think the presentation went quite well, though I had entirely too much material to cover in a very short period of time, so it was impossible to go into much depth on any one type of Web Service. This was unfortunate, but I think the “overview” nature of the presentation allowed for this top-level approach.

As promised, here are the slides from the presentation(PDF, 2 MB), and what follows is the list of links for further reading:

Further Reading

XML-RPC

• XML-RPC Specification
• PEAR::XML_RPC
• Zend_XmlRpc

SOAP

• W3C SOAP Recommendation
• W3C WSDL Recommendation
• PHP 5 Soap
• WSDL Generator

REST

• Architectural Styles and the Design of Network-based Software Architectures, by Roy Felding
• How I Explained REST to My Wife, by Ryan Tomayko
• SimpleXML
• DOM
• pecl/json Extension
• Zend_Json Class
• Zend_Service_Rest Class
• SPYC: A Simple PHP YAML Class

Public APIs

• Yahoo! APIs
• Google APIs
• Amazon Web Services
• eBay Developers Program
• Flickr API
• del.icio.us API
• Technorati API
• Technorati Pinging

Google Gears is an open source browser extension that lets developers create web applications that can run offline.

Using Caja, web apps can safely allow scripts in third party content.
The computer industry has only one significant success enabling documents to carry active content safely: scripts in web pages. Normal users regularly browse untrusted sites with Javascript turned on. Modulo browser bugs and phishing, they mostly remain safe. But even though web apps build on this success, they fail to provide its power. Web apps generally remove scripts from third party content, reducing content to passive data. Examples include webmail, groups, blogs, chat, docs and spreadsheets, wikis, and more.
Were scripts in an object-capability language, web apps could provide active content safely, simply, and flexibly. Surprisingly, this is possible within existing web standards. Caja represents our discovery that a subset of Javascript is an object-capability language

This JavaScript client library allows you to make Facebook API calls from any web site and makes it easy to create Ajax Facebook applications. Since the library does not require any server-side code on your server, you can now create a Facebook application that can be hosted on any web site that serves static HTML. An application that uses this client library should be registered as an iframe type. This applies to either iframe Facebook apps that users access through the Facebook web site or apps that users access directly on the app’s own web sites. Almost all Facebook APIs are supported.

jQuery UI is a set of themable widgets and interactions, built on top of the jQuery JavaScript Library, that you can use to build highly interactive web applications.

Google Web Toolkit (GWT) is an open source Java software development framework that makes writing AJAX applications like Google Mapsand Gmaileasy for developers who don't speak browser quirks as a second language. Writing dynamic web applications today is a tedious and error-prone process; you spend 90% of your time working around subtle incompatibilities between web browsers and platforms, and JavaScript's lack of modularity makes sharing, testing, and reusing AJAX components difficult and fragile.

GWT lets you avoid many of these headaches while offering your users the same dynamic, standards-compliant experience. You write your front end in the Javaprogramming language, and the GWT compiler converts your Java classes to browser-compliant JavaScript and HTML.