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To: internals@lists.php.net,Marcus Boerger <helly@php.net>
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Subject: Re: [PHP-DEV] RFC array functions
From: pierre.php@gmail.com (Pierre)

On Sat, 27 May 2006 23:52:41 +0200
helly@php.net (Marcus Boerger) wrote:

> Hello Matthew,
> 
> Saturday, May 27, 2006, 11:36:16 PM, you wrote:
> 
> > Pierre wrote:
> >> On 5/27/06, Marcus Boerger <helly@php.net> wrote:
> >>> - bool array(array $array)
> >>>
> >>>   cehcks whether arra position is valid (e.g. like
> >>> "key($array) !== NULL")
> >> 
> >> I don't understand this one.
> >> 
> 
> > I think you have to listen to psychedelic music and take a hit of
> > LSD first.
> 
> Actually the point is that you cannot simply do stuff like
> "while(key($array))". And "while(key($array) != 0)" doesn't work
> either. Also "if (!key($array))" is probably different from what you
> expect. And of course "isset(key($array))" doens't work either.

Ok, I got it now.

The name is a bit confusing, array_valid has a different meaning that
what it would do. array_key_valid is already better.

However I still prefer to write:

 (key($arr) !== NULL)

+0 here :)

-- Pierre