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Date: Sun, 4 Mar 2012 17:26:10 +0100
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To: Paul Dragoonis <dragoonis@gmail.com>
Cc: Anthony Ferrara <ircmaxell@gmail.com>, internals@lists.php.net
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Subject: Re: [PHP-DEV] [RFC - Discussion] Parameter Type Casting Hints
From: linepogl@gmail.com (Lazare Inepologlou)

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>
> I wouldn't want people to put class typehints in there such as
>
function foo( (SomeClass) $foo)
>

Why not? I would definitely like something like that, in the future. Here
is an example:

class DateTime {
  ...
  public function add( (DateInterval) $interval ) { ... }
  ...
}
$date =3D new DateTime;
$date->add( 'P3D' ); // string to DateInterval casting
$date->add( 3600 );  // int (seconds) to DateInterval casting

Personally, I find this to be much closer to free type-juggling PHP style
than the current implementation with type hints (
http://www.php.net/manual/en/datetime.add.php).

[ Actually, I would prefer even type hints to work like this. Check if the
passed argument if of the correct type and, if not, try to cast it. Failure
to do so will lead to the E_RECOVERABLE_ERROR as today. ]


Lazare INEPOLOGLOU
Ing=C3=A9nieur Logiciel


2012/3/4 Paul Dragoonis <dragoonis@gmail.com>

> Can you make sure that only scalar or array casts can be done?
>
> I wouldn't want people to put class typehints in there such as
> function foo( (SomeClass) $foo)
>
> - Paul.
>
> On Sun, Mar 4, 2012 at 1:28 AM, Anthony Ferrara <ircmaxell@gmail.com>
> wrote:
> > Hey all,
> >
> > I've drafted an RFC for the Parameter type casting hint proposal that
> > I posted to before.  Attached to the RFC is a patch that's proposed
> > for inclusion in core for functionality (it doesn't include news
> > entries, or documentation, or any of the other steps that would be
> > needed prior to commit).
> >
> > https://wiki.php.net/rfc/parameter_type_casting_hints
> >
> > Please provide feedback here on the implementation and RFC topics.
> >
> > Thanks,
> >
> > Anthony
> >
> > --
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>
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