RE: [PHP-DEV] Re: Arrays which have properties of sets
| From: | Jared Williams | Date: | Sun, 07 Oct 2012 20:06:56 +0000 |
| Subject: | RE: [PHP-DEV] Re: Arrays which have properties of sets | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-63268@lists.php.net to get a copy of this message | ||
> -----Original Message-----
> From: Rasmus Schultz [mailto:rasmus@mindplay.dk]
> Sent: 07 October 2012 02:10
> To: internals@lists.php.net
> Subject: [PHP-DEV] Re: Arrays which have properties of sets
>
> First off, let me say - as you pointed out, when the values
> are unique, they are best represented as keys... however,
> this of course applies only to value-types, which isn't the
> problem, and not why I started this conversation in the first
> place. Objects don't work as keys. And objects do not always
> have a value that you can use as keys.
See SPL's SplObjectStorage. That allows object instances as keys.
Jared