Extension talk:Pingbox

Pingbox does not function on mediawiki 1.14. It puts the below error over every page: Warning: Cannot modify header information - headers already sent by (output started at /var/www/wiki/extensions/pingbox.php:122) in /var/www/wiki/includes/WebResponse.php on line 16

Question
Can someone tell my if this works for the folowing?

Product 	Version MediaWiki 	1.13.2 PHP 	5.1.6 (apache2handler) MySQL 	5.0.22