Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:67946
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Received-SPF: pass (pb1.pair.com: domain gmail.com designates 209.85.214.180 as permitted sender)
MIME-Version: 1.0
In-Reply-To: <4ED7146272E04A47B986ED49E771E347BB4DF6F344@Ikarus.ameusgmbh.intern>
References: <4ED7146272E04A47B986ED49E771E347BB4DF6F344@Ikarus.ameusgmbh.intern>
Date: Thu, 27 Jun 2013 16:18:33 +0200
Message-ID: <CAA9esyQhrsqNsVmXj_XnbOYWkBc4MEo0A-D-XhqqqnuQVKbuAw@mail.gmail.com>
To: Christian Stoller <stoller@leonex.de>
Cc: "internals@lists.php.net" <internals@lists.php.net>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Subject: Re: [PHP-DEV] New syntax for multidimensional array loop with foreach
From: florinpatan@gmail.com (Florin Patan)

On Thu, Jun 27, 2013 at 4:10 PM, Christian Stoller <stoller@leonex.de> wrot=
e:
> Hi internals,
>
> during my current work I had an idea for shorter array iteration with for=
each. I haven=E2=80=99t seen such a syntax until now, but I think it is eas=
y 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


Hi,


Quick question, how would the engine then treat this case:

$array =3D array();
$array['level1.1']['level2']['level3'] =3D 'value';
$array['level1.2'] =3D new StdClass();

foreach($array as $level1 as $level2 as $level3) { ... }


Best regards
----
Florin Patan
https://github.com/dlsniper
http://www.linkedin.com/in/florinpatan