Tutorial Display FeedBurner Feed Count
<?php
//get cool feedburner count
$whaturl="http://api.feedburner.com/awareness/1.0/GetFeedData?uri=your feedburner id";
//Initialize the Curl session
$ch = curl_init();
//Set curl to return the data instead of printing it to the browser.
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
//Set the URL
curl_setopt($ch, CURLOPT_URL, $whaturl);
//Execute the fetch
$data = curl_exec($ch);
//Close the connection
curl_close($ch);
$xml = new SimpleXMLElement($data);
$fb = $xml->feed->entry['circulation'];
echo $fb;
//end get cool feedburner count
?>
Replace "your feedburner id" with your actual FeedBurner ID. Also, make sure your "Awareness API" is turned on in your FeedBurner settings for the particular feed you are pulling from.