just wanted to mention it, no action needed, seems to work fine:
[Fri Jul 01 14:21:57 2011] [warn] [client 119.63.196.70] mod_fcgid: stderr: PHP Deprecated: Function split() is deprecated in /var/www/clients/clientxx/webxx/web/wp-content/plugins/digg-digg/digg-digg.php on line 42