# Missing __toString() part

- Thread: https://externals.io/message/23960
- Original archive: https://news-web.php.net/php.internals/23960
- Started by Ford on 2006-06-05T09:55:16+00:00
- Messages: 1
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## #23960 — Ford — 2006-06-05T09:55:16+00:00

URL: https://externals.io/message/23960#23960

> I think if we implement a way to get a hash from an object,
> or at least
> a unique identifier that can be used as a hash, then it should be
> implicit just like other things are implicitly converted when the
> context is clear.  Of course, you should also be able to force it
> explicitly.  And I don't think there is any point in doing
> this unless
> we also implicitly go the other way.  From unique identifier
> to object.
>   As in:
> 
>    class foo { function bar($arg) { echo $arg; } }
>    $obj1 = new foo;
>    $obj2 = new foo;
> 
>    $a = array($obj1=>1,$obj2=>2);
>    foreach($a as $k=>$v) {
>      $k->bar($v);
>    }
> 
> Unless this works, I am not sure there is any point to all
> this.  To me
> the end goal is to make it possible to use types other than strings
> and numbers as array indices which to me also means we should
> look at doing
> the same for arrays.

Thank you Rasmus, that was my exact concern too.  Unless this works as you've specified, I'd be -1 for anything but explicit $a[(string)$b].

Cheers!

Mike

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