27.01.2012, 18:33
+= means 'add x to the variable'. It just looks better than "var = var + 1". I'm not sure if there's any performance difference.
Because 'public' is generally used for callbacks, not functions. Unless you want to call it from filterscripts.
Because 'public' is generally used for callbacks, not functions. Unless you want to call it from filterscripts.