Posted by Jochem Maas on 10/05/90 11:30

Richard Lynch wrote:
> Somewhere in the manual (damned if I can find it now) it says (or used
> to say) that you can or can't safely do this:
>
> while (list($k, $v) = each($array)){
> if (...) unset($array[$k]);
> }
>
> I don't even remember if it's safe or not, but I swear I saw it not
> that long ago...
>
> Anyway, can you do *this* safely as a DOCUMENTED FEATURE:
>
> foreach($array as $k => $v){
> if (...) unset($array[$k]);
> }

in short: yes.

you can unset() in this way till the cows come home and
not suffer undue consequences.

>
> I'm sure I could test it and maybe find out if "it works" but is it
> documented behaviour I can rely on? I'm sure not finding this in the
> manual now that I go looking for it, though I know I saw it there
> before.
>
> PS
> I'm being dragged kicking and screaming into using this new-fangled
> 'foreach' thing instead of while/list/each, and I don't really care
> for it so far. :-)

if while/list/each & foreach were women, while/list/each would be selling
fish on a market stall & foreach would be having her feet massaged while drinking
dry martini at 35,000 feet :-)

but I guess it's not the done thing to call a language construct sexy ;-)

>

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