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Date: Thu, 17 Apr 2008 17:29:53 +0200
To: "Felipe Pena" <felipensp@gmail.com>
Cc: internals@lists.php.net
In-Reply-To: <1208445852.5366.31.camel@felipe>
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References: <46ccd1ab0804170742g142ed562t4f03339da549a820@mail.gmail.com>
	 <af54caaf0804170817g3a490b2cvaa5dd9da3b3008be@mail.gmail.com>
	 <1208445852.5366.31.camel@felipe>
Subject: Re: [PHP-DEV] [RFC] Strict type hints (parameter and return value)
From: paul.biggar@gmail.com ("Paul Biggar")

On Thu, Apr 17, 2008 at 5:24 PM, Felipe Pena <felipensp@gmail.com> wrote:
>  > Thanks for making the change. This is much more consistent. It remains
>  > that there is no 'scalar' or 'numeric' hint. Are you planning on
>  > including them?
>
>  No, i'm not planning to do that.

Ah, I should have been more specific. I meant to ask for those
changes. Can I ask why not?



>  > I also wonder about allowing NULL for an 'array' type hint. Is this
>  > acceptable? The patch seems to indicate it is. If so, why is this
>  > allowed?
>
>  I added yesterday an information about that in the doc:
>
>  "Functions are now able to force parameters to be objects (by specifying
>  the name of the class in the function prototype) or arrays (since PHP
>  5.1). However, if NULL is used as the default parameter value, it will
>  be allowed as an argument for any later call."

That doesnt explain why its allowed. Can you elaborate?



Thanks,
Paul



>  > On Thu, Apr 17, 2008 at 4:42 PM, Felipe Pena <felipensp@gmail.com> wrote:
>  > > Hi.
>  > >
>  > >  Well, thinking better about the behavior of type hinting, i decided to
>  > >  change the proposal for strict type. I.e. don't accept numeric string
>  > >  as an intenger, etc.
>  > >
>  > >  If anyone wants use type hinting, i believe that it should be strict.
>  > >  Otherwise, it makes more sense to not use it.
>  > >
>  > >  Examples, patches and tests: http://wiki.php.net/rfc/typehint
>  > >
>  > >
>  > >  --
>  > >  Regards,
>  > >  Felipe Pena.
>  > >
>  > >  --
>  > >  PHP Internals - PHP Runtime Development Mailing List
>  > >  To unsubscribe, visit: http://www.php.net/unsub.php
>  > >
>  > >
>  >
>  >
>  >
>  --
>  Regards,
>  Felipe Pena.
>
>



-- 
Paul Biggar
paul.biggar@gmail.com