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Date: Fri, 28 Jun 2013 11:21:29 +0200
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To: Christian Stoller <stoller@leonex.de>
Cc: "internals@lists.php.net" <internals@lists.php.net>
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Subject: Re: [PHP-DEV] New syntax for multidimensional array loop with foreach
From: kontakt@beberlei.de (Benjamin Eberlei)

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You can build an iterator to do this for you, doesn't need to be in the
language IMHO


On Thu, Jun 27, 2013 at 4:10 PM, Christian Stoller <stoller@leonex.de>wrote=
:

> Hi internals,
>
> during my current work I had an idea for shorter array iteration with
> foreach. I haven=92t seen such a syntax until now, but I think it is easy=
 to
> understand ;-)
>
> Maybe you know the case where you have to iterate over all values of a 2D
> (or more) array:
>
> $count =3D 0;
> foreach ($array as $key =3D> $innerArray) {
>     foreach ($innerArray as $innerKey =3D> $value) {
>         $count +=3D $value;
>         // and do something with $key and $innerKey
>     }
> }
>
> The new syntax could make it shorter and faster to write... but maybe it'=
s
> a bit too confusing?
>
> $count =3D 0;
> foreach ($array as $key =3D> $innerArray as $innerKey =3D> $value) {
>     $count +=3D $value;
>     // and do something with $key and $innerKey
> }
>
> If the keys aren't needed, you can shorten it to:
>
> $count =3D 0;
> foreach ($array as $innerArray as $value) {
>     $count +=3D $value;
> }
>
> What do you think?
>
> --
> Christian Stoller
> LEONEX Internet GmbH
>

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