Re: Foreach list behaviour

From: Date: Mon, 03 Sep 2012 08:36:36 +0000
Subject: Re: Foreach list behaviour
References: 1 2 3  Groups: php.internals 
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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? thanks > > cheers, > Derick > > -- > http://derickrethans.nl | > http://xdebug.org > Like Xdebug? Consider a donation: http://xdebug.org/donate.php > twitter: @derickr and @xdebug > Posted with an email client that doesn't mangle email: alpine -- Laruence Xinchen Hui http://www.laruence.com/

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