Re: Callable type

From: Date: Wed, 08 Jun 2011 14:42:41 +0000
Subject: Re: Callable type
References: 1 2 3 4 5 6 7 8 9 10 11 12 13 14  Groups: php.internals 
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Martin Scotta On Wed, Jun 8, 2011 at 5:47 AM, Alexey Shein <confik@gmail.com> wrote: > 2011/6/8 Hannes Magnusson <hannes.magnusson@gmail.com>: > > 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 :) > so 'strpos' is not a reference nor a piece of executable code, it's just the name of a function, which is callable, although we can argue if the function name could be seen as a reference to the code > > > -- > Regards, > Shein Alexey > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > >

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