Interacting with XMPP using PHP

Interacting with XMPP Servers using PHP
Sudar Muthu (@sudarmuthu)
http://sudarmuthu.com
Research Engineer
Yahoo Research
Bangalore PHP Meetup – 26 June 2010

Agenda
What is XMPP?
Who uses XMPP
Features
Components
XMPP Stanzas
Code/Demo
Why?
Questions

What is XMPP?
XMPP is a protocol for moving small, structured pieces of data between two places.
It is mainly used for Instant messaging, multi-user chatting, voice and video conferencing, collaborateive spaces, real-time gamming etc.

Who uses XMPP
Google (Gmail, AppEngine, Google Wave Protocol)
Facebook (chat)
Friendfeed (Notification)
Identica (Twitter Clone)
Yammer
Chesspark (Real-time game)

Features of XMPP
Decentralization
Real-time
Open standards
Security
Flexibility
Extensibility
Libraries available for all major languages

Components of XMPP
Servers
Clients
Components
Plugins

XMPP Stanzas
Presence Stanzas
<presence type=“available” />
Message Stanzas
<message from=“from@example.com” to =“to@example.com”>
<body>Hello</body>
</message>
IQ Stanzas
<iq from=“from@example.com” type =“get” id =“roster1”>
<query xmlns=“jabber:iq:roster”/>
</iq>

Cut the scrap, show me the code
Demo available at http://sudarmuthu.com/demos/xmpp/gmail.php

Why use XMPP in web applications?
Real-time data
Push, instead of pull
Extensible
Built for concurrent users

Questions
Thank you

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Interacting with XMPP using PHP

by Sudar Muthu on Jun 27, 2010

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