Stephen Reay wrote:
> Regarding the big change you suggest, making protected/private methods return 
> false unless a new third parameter is true in is_callable():
> I think you need to make your intention a *lot* clearer

On 29 May 2017 at 12:01, Rowan Collins <rowan.coll...@gmail.com> wrote:
> Regarding is_callable, ....could lead to some very confusing bugs. IMO, when 
> BC breaks are necessary, they should be big and obvious so people spot and 
> fix them.


Most of the feedback I got was how modifying the existing is_callable
function was dumb, so I've updated the RFC, and dropped the idea of
modifying the existing is_callable function.

That function will stay as it is, and will be used to determine if a
variable can be called in the current scope, through either direct
invocation or call_user_func().

The RFC instead now proposes a separate function of is_callable_type,
to determine if a variable can be used as callable in all scopes, and
so will pass the callable type check for parameters and return types.

cheers
Dan
Ack

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