Re: foreach() for strings
| From: | Ilia Alshanetsky | Date: | Mon, 20 Jun 2011 15:25:21 +0000 |
| Subject: | Re: foreach() for strings | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-53413@lists.php.net to get a copy of this message | ||
As long as it works on a premise that a "string" is a byte array and
each element represents 1 byte, +1 from me.
On Mon, Jun 20, 2011 at 7:27 AM, 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
>