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Date: Mon, 3 Sep 2012 17:35:32 +0800
Message-ID: <CABBJUpe7Kza60N9ye8qV23DqwKV-wpWe=wMZr72rHiScy3cx5Q@mail.gmail.com>
To: Pierre Joye <pierre.php@gmail.com>
Cc: Derick Rethans <derick@php.net>, Jared Williams <jared.williams@ntlworld.com>, internals@lists.php.net
Content-Type: text/plain; charset=UTF-8
Subject: Re: [PHP-DEV] Foreach list behaviour
From: laruence@php.net (Laruence)

On Mon, Sep 3, 2012 at 5:28 PM, Pierre Joye <pierre.php@gmail.com> wrote:
> hi,
>
> On Mon, Sep 3, 2012 at 10:36 AM, Laruence <laruence@php.net> wrote:
>> On Mon, Sep 3, 2012 at 4:20 PM, Derick Rethans <derick@php.net> wrote:
>>> On Mon, 3 Sep 2012, Laruence wrote:
>>>
>>>> On Mon, Sep 3, 2012 at 7:07 AM, Jared Williams <jared.williams@ntlworld.com> wrote:
>>>> >
>>>> >         Just looking at the foreach list behaviour and it does this...
>>>> >
>>>> > $i = [1, 2, 3];
>>>> > foreach($i as list($a, $b))
>>>> >         var_dump($a, $b);
>>>> >
>>>> > Outputs....
>>>> >
>>>> > NULL
>>>> > NULL
>>>> > NULL
>>>> > NULL
>>>> > NULL
>>>> > NULL
>>>> >
>>>> > There is no test I can see covering this, so cannot tell if its
>>>> > expected.
>>>> >
>>>> > To me, $i does not meet the expected format, so should be some sort of
>>>> > error happening.
>>>>
>>>>    this is expected behavior,  like:
>>>> <?php
>>>> list($a, $b) = 1;
>>>> var_dump($a);
>>>
>>> Ew, that's quite nasty (in both cases). Is there a way how we could turn
>>> those into a notice or so?
>> Hi:
>>
>> yeah, we can trigger a notice if the container is not a array.
>>
>> but maybe deserve  a  RFC?
>
> I do not think it is necessary. It is an improvement of this newly
> added feature and list.
Hi:
   if we fixed this,  what about following example:

<?php

$num = NULL;

echo $num["xxx"];


  does this also deserve a notice?

thanks
>
> Cheers,
> --
> Pierre
>
> @pierrejoye



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