RE: [PHP] foreach vs. while(list() = each())
| From: | Tim Ward | Date: | Thu, 12 Apr 2001 09:43:53 +0000 |
| Subject: | RE: [PHP] foreach vs. while(list() = each()) | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-48275@lists.php.net to get a copy of this message | ||
you can't nest foreach as you should be able to. Ecah foreach is supposed to
have it's own pointer in the array, but it doesn't ... this is a known bug.
Tim Ward
Senior Systems Engineer
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> -----Original Message-----
> From: Yasuo Ohgaki [mailto:yohgaki@hotmail.com]
> Sent: 12 April 2001 02:37
> To: php-general@lists.php.net
> Subject: Re: [PHP] foreach vs. while(list() = each())
>
>
> One apparent problem with foreach() is it can misbehave code
> as follows.
> (4.0.4pl1, 4.0.5RC6)
>
> function foo($a) {
> foreach ($a[0] as $k => $v) {
> echo $k.$v;
> }
> }
>
> $a = 'abc';
> foo($a);
>
> You'll get 'server not found' or browser waiting forever with
> this code.
> (If you don't, please let me know)
>
> String can be accessed like array, but foreach does not
> handle invalid parameter
> well.
> While() does not misbehave with equivalent code.
>
> Regards,
> --
> Yasuo Ohgaki
>
>
> "Joe Stump" <miester@php.net> wrote in message
> news:20010411134931.C3680@zorka.com...
> > What are the differences in these? I know with while() you
> have to reset() the
> > array afterwards, but foreach() you don't. Also foreach()
> appears to be quite
> > a bit faster.
> >
> > My main question is there ANY difference in how these two
> loop through the
> > array.
> >
> > --Joe
> >
> >
> >
> >
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> *****************\
> > * Joe Stump - PHP/SQL/HTML Developer
> *
> > * http://www.care2.com -
> > http://www.miester.org -
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