require_once'inc/MCAPI.class.php'; $api=newMCAPI('ENTER_YOUR_API_KEY_HERE'); $merge_vars=array('FNAME'=>$_POST["fname"],'LNAME'=>$_POST["lname"]); // Submit subscriber data to MailChimp // For parameters doc, refer to: http://apidocs.mailchimp.com/api/1.3/listsubscribe.fu...