Parse Twitter RSS feed and cache using SimplePie

gistfile1.aw

<?php

require_once 'lib/simplepie.inc';
require_once 'lib/json_format.php';

$response = array(
	'tweets'  => parse_feed( 'http://search.twitter.com/search.atom?q=from%3acnnbrk+OR+from%3anpratc' )
);

function parse_feed( $url ) 
{
	$data = array();
	$feed = new SimplePie( $url );

	foreach ( $feed->get_items() as $feed_item )
	{
		$item[ 'author' ] = array(
			'name' 	=> $feed_item->get_author()->get_name(),
			'link' 	=> $feed_item->get_author()->get_link(),
			'image' => $feed_item->get_link( 0, 'image' )
		);

		$item[ 'title' ] = $feed_item->get_title();
		$item[ 'timestamp' ]  = $feed_item->get_date();

		$data[] = $item;
	}

	return $data;
}

header( 'Content-type: text/javascript; charset=UTF-8' );

echo json_format( json_encode( $response ) );

/* EOF */