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Date: Mon, 20 Jun 2011 14:16:08 +0200
Message-ID: <BANLkTikqOQY54CY7-8qxBDAwPWKP45zLAQ@mail.gmail.com>
To: Robert Eisele <robert@xarg.org>
Cc: internals@lists.php.net
Content-Type: text/plain; charset=ISO-8859-1
Subject: Re: [PHP-DEV] foreach() for strings
From: pierre.php@gmail.com (Pierre Joye)

hi Robert,

I would go with a RFC for that one, at least to document/cover edge
cases to help the doc team to properly document this change if it gets
approved.

Thanks for your work so far!

On Mon, Jun 20, 2011 at 1:27 PM, Robert Eisele <robert@xarg.org> wrote:
> foreach() has many functions, looping over arrays, objects and implementing
> the iterator interface. I think it's also quite intuitive to use foreach()
> for strings, too.
>
> If you want to implement a parser in PHP, you have to go the way with for +
> strlen + substr() or $x[$i] to address one character of the string. We could
> overdo the functionality of foreach()
> by implementing LVAL's, too, in order to access single bits but this is
> really uncommon, even if the way of thinking could be, that foreach() gives
> a single attribute of each value, no matter
> if it's a complex object with the iterator interface or a primitive. What do
> you think about this one? My point of view is, that foreach() is very
> useful, which was acknowledged by many ppl via the comments of my article.
>
> I think, adding features like this persuades the one or the other PHP user
> to upgrade to 5.4.
>
> Robert
>



-- 
Pierre

@pierrejoye | http://blog.thepimp.net | http://www.libgd.org