Re: Callable type

From: Date: Wed, 08 Jun 2011 08:47:35 +0000
Subject: Re: Callable type
References: 1 2 3 4 5 6 7 8 9 10 11 12 13  Groups: php.internals 
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2011/6/8 Hannes Magnusson <[email protected]>:
> We have the situation in the docs that parameters declared as arrays
> do not follow the typehinting rules, but parameters as class names do.
> Re-using the callback from the docs could get confusing when
> extensions start to typehint on it, but not the core..
>
> I think there is a subtle difference between a callback, and a callable.
> In javascript for example, callback is something that is executed on
> certain events "onsuccess" is the typical example.
> There is nothing that says the callable parameter gets executed as a
> part of an event, and I think the default usecase would be to execute
> it right away (f.e. filtering data).
>
> I think I would prefer callable, but I could live with either.
>

Wikipedia defines callback as "a reference to executable code, or a
piece of executable code, that is passed as an argument to other
code". So there's no "event" meaning put by default, it's just very
often seen callback's usage in javascript.
I just like "callback" term more :)


-- 
Regards,
Shein Alexey


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