Custom Podcast Feed

custom-feed.php

<?php
/*
Template Name: Custom Feed
*
*
* @package 	WordPress
* @subpackage 	organizedthemes
* @since   	1.1.0
*
*/
function yoast_rss_date( $timestamp = null ) {
  $timestamp = ($timestamp==null) ? time() : $timestamp;
  echo date(DATE_RSS, $timestamp);
}
header("Content-Type: application/rss+xml; charset=UTF-8");
echo '<?xml version="1.0" encoding="UTF-8"?>';
?><rss xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" version="2.0">

<channel>

<title><?php echo of_get_option('podcast_title'); ?></title>

<link><?php echo of_get_option('podcast_url'); ?></link>

<language>en-us</language>

<copyright>&#x2117; &amp; &#xA9; <?php the_time('Y'); ?> <?php bloginfo('name'); ?></copyright>

<itunes:subtitle><?php echo of_get_option('podcast_subtitle'); ?></itunes:subtitle>

<itunes:author><?php echo of_get_option('podcast_author'); ?></itunes:author>

<itunes:summary><?php echo of_get_option('podcast_summary'); ?></itunes:summary>

<description><?php echo of_get_option('podcast_summary'); ?></description>

<itunes:owner>

<itunes:name><?php echo of_get_option('podcast_owner'); ?></itunes:name>

<itunes:email><?php echo of_get_option('podcast_email'); ?></itunes:email>

</itunes:owner>

<itunes:image href="<?php echo of_get_option('podcast_art'); ?>" />

<itunes:category text="<?php echo of_get_option('podcast_category'); ?>">

	<itunes:category text="<?php echo of_get_option('podcast_subcategory'); ?>"/>

</itunes:category>

<?php $recent = new WP_Query("post_type=podcast&showposts=20"); while($recent->have_posts()) : $recent->the_post(); ?>
	<item>
	
		<title><?php echo get_the_title($post->ID); ?></title>
		
		<itunes:author><?php
		     $terms_as_text = get_the_term_list( $post->ID, 'speaker', '', ', ', '' ) ;
		     echo strip_tags($terms_as_text);			
		?></itunes:author>
		
		<itunes:subtitle></itunes:subtitle>
		
		<itunes:summary><?php the_excerpt_rss(); ?></itunes:summary>
		
		<itunes:image href="<?php echo of_get_option('podcast_art'); ?>" />
		
		<enclosure url="<?php echo get_post_meta($post->ID, "message_audio", TRUE); ?>" length="43397038" type="audio/mpeg" />		
		<guid><?php echo get_post_meta($post->ID, "message_audio", TRUE); ?></guid>
		
		<pubDate><?php yoast_rss_date( strtotime($post->post_date_gmt) ); ?></pubDate>
		
		<itunes:duration><?php echo get_post_meta($post->ID, "duration", TRUE); ?></itunes:duration>
		
		<itunes:keywords></itunes:keywords>
	
	</item>
		  
	<?php endwhile; ?> 
  
</channel>
</rss>