XMPPHP is the successor to Class.Jabber.PHP.
Some of the features include:
* Connect to any XMPP 1.0 server (Google Talk, LJ Talk, jabber.org, etc)
* Supports TLS encryption
* Several XML processing approaches and supported styles (process indefinitely, processUntil an event, processTime for a number of seconds), waiting on events or map them, etc.
* Persistent connections (AJAX Web client anyone?)
These details are provided for information only. No information here is legal advice and should not be used as such.
There are no reported vulnerabilities