Hi, > since the next version of Debian (Wheezy) is now stable I'd like to create > an upgrade plan for our server. Excellent. > The most critical change within the releases IMO is the upgrade of php to > 5.4. > > Therefore I'd like to now whether all our php based applications are > compatible to php 5.4 or are changes still need to be done before we change > to Wheezy? Good question. DokuWiki is. I'm not 100% sure about the forum and bug tracker. A search in their forums/bug trackers might be a good idea. But usually disabling error reporting for deprecated function is enough to run older PHP code on 5.4 Andi -- splitbrain.org