rss.php

<?php
function em_rss() {
	if ( !empty( $_REQUEST ['dbem_rss'] ) ) {
		header ( "Content-type: text/xml" );
		echo "<?xml version='1.0'?>\n";
		
		$events_page_id = get_option ( 'dbem_events_page' );
		$events_page_link = get_permalink ( $events_page_id );
		$joiner = ( stristr($events_page_link, "?") ) ? "&amp;":"?";
		?>
<rss version="2.0">
	<channel>
		<title><?php echo get_option ( 'dbem_rss_main_title' ); ?></title>
		<link><?php	echo $events_page_link; ?></link>
		<description><?php echo get_option ( 'dbem_rss_main_description' ); ?></description>
		<docs>
		http://blogs.law.harvard.edu/tech/rss
		</docs>
		<generator>
		Weblog Editor 2.0
		</generator>
		<?php
		$title_format = get_option ( 'dbem_rss_title_format' );
		$description_format = str_replace ( ">", "&gt;", str_replace ( "<", "&lt;", get_option ( 'dbem_rss_description_format' ) ) );
		$events = EM_Events::get( array('limit'=>5) );
		foreach ( $events as $event ) {
			$title = $event->output( $title_format, "rss" );
			$description = $event->output( $description_format, "rss");
			echo "<item>";
			echo "<title>$title</title>\n";
			echo "<link>$events_page_link" . $joiner . "event_id=" . $event->id . "</link>\n ";
			echo "<description>$description </description>\n";
			echo "</item>";
		}
		?>
	</channel>
</rss>
		<?php
		die ();
	}
}
add_action ( 'init', 'em_rss' );
?>