RSS subscribers count using WordPress transients

Using exactly the same technique as demonstrated above, we can grab RSS subscribers and store the result in WordPress database. Don’t forget to update the code with your own feedburner url on line 2. Then, paste the code where you’d like to display how many RSS feed readers you have.

function feed_subscribers(){

$feed_url = ‘http://feeds.feedburner.com/yourname’;

$count = get_transient(‘feed_count’);

if ($count != false) return $count;

$count = 0;

$data = wp_remote_get(‘http://feedburner.google.com/api/awareness/1.0/GetFeedData?uri=’.$feed_url.”);

if (is_wp_error($data)) {

return ‘error’;

}else{

$body = wp_remote_retrieve_body($data);

$xml = new SimpleXMLElement($body);

$status = $xml->attributes();

if ($status == ‘ok’) {

$count = $xml->feed->entry->attributes()->circulation;

} else {

$count = 300; // fallback number

}

set_transient(‘feed_count’, $count, 60*60*24); // 24 hour cache

echo $count;

}