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Date: Fri, 28 Jun 2013 01:57:58 +0800
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To: pierre@pcservice.co.za
Cc: =?ISO-8859-1?Q?Johannes_Schl=FCter?= <johannes@schlueters.de>, 
	Nikita Popov <nikita.ppv@gmail.com>, Christian Stoller <stoller@leonex.de>, 
	"internals@lists.php.net" <internals@lists.php.net>
Content-Type: multipart/alternative; boundary=047d7bdca4789eec9904e026804e
Subject: Re: [PHP-DEV] New syntax for multidimensional array loop with foreach
From: datibbaw@php.net (Tjerk Anne Meesters)

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On Fri, Jun 28, 2013 at 1:36 AM, Pierre du Plessis
<pierre@pcservice.co.za>wrote:

> On Thu, Jun 27, 2013 at 7:29 PM, Tjerk Anne Meesters <datibbaw@php.net>wr=
ote:
>
>> On Fri, Jun 28, 2013 at 1:13 AM, Pierre du Plessis
>> <pierre@pcservice.co.za>wrote:
>>
>> > On Thu, Jun 27, 2013 at 6:14 PM, Johannes Schl=FCter
>> > <johannes@schlueters.de>wrote:
>> >
>> > > On Thu, 2013-06-27 at 16:58 +0200, Nikita Popov wrote:
>> > > > On Thu, Jun 27, 2013 at 4:10 PM, Christian Stoller <
>> stoller@leonex.de
>> > > >wrote:
>> > > >
>> > > > > 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> $valu=
e) {
>> > > > >     $count +=3D $value;
>> > > > >     // and do something with $key and $innerKey
>> > > > > }
>> > > > >
>> > >
>> >
>> > With the addition of array_column in php 5.5, this can be done in a mu=
ch
>> > cleaner way:
>> >
>> > $array =3D array(
>> >     array('value' =3D> 1),
>> >     array('value' =3D> 2),
>> >     array('value' =3D> 3),
>> > );
>> >
>> > $count =3D 0;
>> >
>> > foreach(array_column($array, 'value') as $value) {
>> >  $count +=3D $value;
>> > }
>> >
>>
>> And what about the "// and do something with $key and $innerKey" part?
>
>
> This is using the original example provided, which didn't do anything wit=
h
> the $key and $innerKey.
>

It's good to see how you have developed a keen sense of code optimization;
however, that's not doing much good here, because the intention of the
shown code is that those variables are actually used, which is what the
commented line conveys :)



--=20
--
Tjerk

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