A php library for working with the ActivityStreams extension to the Atom feed format.

Requirements:
PHP
SimplePie Library (optional) - http://simplepie.org/

Usage:

// Create ActivityStreams document
require ('activitystreams.php');

$streamy = new ActivityStreamsDoc($id, $title); // create object
$streamy->entry($id, $published, $name, $uri, $title, $link, $content); // add any number of entries
header('Content-Type: application/xml; charset=utf-8'); // set the content type
echo $streamy; // convert to string and print to screen

// Convert RSS to ActivityStreams
require ('activitystreams.php');
require ('simplepie.inc');

$data = file_get_contents('http://search.twitter.com/search.atom?q=star+trek'); // get rss/atom data
$streamy = new ActivityStreams(); // create object
$rsp = $streamy->rss_to_activity_streams($data); // convert data
header('Content-Type: application/xml; charset=utf-8'); // set the content type
echo $rsp; // convert to string and print to screen