You might find this useful:
http://alex-elliott.co.uk/blog/2009/11/php...or-php-pitfallsThe other server likely does not have notices enabled, and that's a problem with their server (in my view, because notices should be fixed not suppressed). I recommend you resolve the issue, and if you're not sure how then either give us the code in [ code ] tags, or link us to a pastesite with the code so we can assist.