callback is callable, the opposite could not be true.
a string --or a closure-- is callable, but the string is not a callback
IMHO callable fits better.
Martin Scotta
On Tue, Jun 7, 2011 at 4:28 PM, David Zülke <[email protected]>wrote:
> On 07.06.2011, at 21:12, Stas Malyshev wrote:
>
> > Hi!
> >
> >> https://wiki.php.net/rfc/callable
> >
> > Note also that this pseudo-type is called "callback" in all of our
> documentation, which means we have now documentation that says:
> >
> > bool array_walk ( array &$array , callback $funcname [, mixed $userdata ]
> )
> >
> > and type check that says "callable".
>
> Oh, good point. It should be "callback" then, too, maybe? Or the
> documentation should be adjusted (which might be a good idea, as "$funcname"
> doesn't reflect the realities anymore).
>
> David
>
>