Thread:Project:Support desk/calling functions in a hook extension/reply

You should be able to do  to call another function from the same class as your hook (statically anyways. To call non-statically use  . In your example you have the hook function being registered to be called statically, but the actual function not being declared as static). See http://www.php.net/manual/en/language.oop5.basic.php for more information.