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Message-ID: <c91e298d0810281531p574e0421m2a6d07f18e4d0876@mail.gmail.com>
Date: Wed, 29 Oct 2008 00:31:48 +0200
To: "Kalle Sommer Nielsen" <kalle.php@gmail.com>
Cc: "Lars Strojny" <lstrojny@php.net>, "Andrei Zmievski" <andrei@gravitonic.com>, 
	"=?ISO-8859-1?Q?Johannes_Schl=FCter?=" <johannes@php.net>, 
	"Alexey Zakhlestin" <indeyets@gmail.com>, 
	"Mark van der Velden" <mark@dynom.nl>, 
	"Stanislav Malyshev" <stas@zend.com>, 
	"PHP Internals" <internals@lists.php.net>
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Subject: Re: [PHP-DEV] array_key_exists BC break
From: ionut.g.stan@gmail.com ("Ionut Gabriel Stan")

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Hi,

Thanks for your positive feedback about my idea and sorry for hijacking this
thread.

Although my C skills are limited to its syntax only I'll create an RFC, then
someone
else might give it a try an create a patch.

All the best,
Ionut


On Tue, Oct 28, 2008 at 4:23 PM, Kalle Sommer Nielsen
<kalle.php@gmail.com>wrote:

> Hi Ionut
>
> 2008/10/28 Ionut Gabriel Stan <ionut.g.stan@gmail.com>:
> > While we're at this and considering the new lambdas that we now have in
> the
> > language
> > I must say I'd like some functions to support Traversables. Those would
> be:
> >
> > array_map(), array_reduce(), array_filter(), array_walk() and
> > array_walk_recursive()
> >
> > Although I'd rather want a class (because the array_* functions don't
> adhere
> > to some strict param order standards)
> > to provide functional style methods, like those in Javascript 1.8:
> >
> >
> https://developer.mozilla.org/index.php?title=En/New_in_JavaScript_1.6#section_2
> >
> https://developer.mozilla.org/index.php?title=En/New_in_JavaScript_1.8#section_4
> >
> > Array.forEach()
> > Array.map()
> > Array.filter()
> > Array.reduce()
> > Array.reduceRight()
> > Array.some()
> > Array.every()
> >
> >
> > In PHP something like this would be nice:
> >
> > $processedDirectoryIterator = SplFunctional(new
> > DirecotoryIterator(__DIR__)).map(function() {
> >    // do stuff here
> > });
>
> This would indeed be nice, but theres one thing yet, PHP doesn't
> support closure objects, take for example:
>
> <?php
> class Test
> {
>        public function hello($who)
>        {
>                echo 'Hello ' . $who;
>        }
> }
>
> $closure = function()
> {
>        static $instance;
>
>        if(!$instance)
>        {
>                $instance = new Test;
>        }
>
>        return($instance);
> };
>
> $closure->hello('Kalle'); // Fatal error, undefined method Closure::hello()
>
> But you should indeed make an RFC for this and even create a patch if
> you're able to :)
>
> >
> > where SplFunctional is a function returning a SplFunctional object whose
> > construcor accepts iteratable
> > structures (arrays or Traversables) and $processDirectoryIterator is a
> > DirectoryIterator resulted after applying
> > the lamba to each of the SplFileObjects contained.
> >
> > I know right now we have FilterIterator as an equivalent to
> array_filter()
> > for Iterators and we could implement our
> > own Functional classes but that means a new class for situations where a
> > simple lambda could do the job
> > just as well.
> >
> > I hope my proposal makes sense.
> >
> >
> > P.S. I introduced a SplFunctional function just to skip the instantiation
> of
> > the object.
> >
> >
> >
> > On 10/28/2008 15:16, Lars Strojny wrote:
> >>
> >> Hi Andrei,
> >>
> >> Am Montag, den 27.10.2008, 11:34 -0700 schrieb Andrei Zmievski:
> >> [...]
> >>
> >>>
> >>> I would say "no" for 5.3. But for 6 it would be fantastic to have all
> >>> array-related
> >>> operations supporting ArrayAccess interface, where possible.
> >>>
> >>
> >> +1 for this.
> >>
> >> cu, Lars
> >>
> >
> >
> > --
> > PHP Internals - PHP Runtime Development Mailing List
> > To unsubscribe, visit: http://www.php.net/unsub.php
> >
> >
>
>
>
> --
> Kalle Sommer Nielsen
>

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