Both will work.
http://zerp.ly/rochacbruno Em 07/09/2011 10:36, "juanduke" <[email protected]> escreveu: > Hi! > Reading the validators section, it says: > > IS_NULL_OR > Deprecated, an alias for IS_EMPTY_OR described below. > > IS_EMPTY_OR > Sometimes you need to allow empty values on a field along with other > requirements. For example a field may be a date but it can also be > empty. The IS_EMPTY_OR validator allows this: > > requires = IS_NULL_OR(IS_DATE()) > > > I think the last sentence must be: > requires = IS_EMPTY_OR(IS_DATE()) > > Or please tell me if I'm wrong. > > Bye. > > > PS: Sorry for my bad english

