[wp-hackers] Capabilities as a taxonomy

[Ken Newman]

Just FYI, Justin Tadlock has a plugin and tutorial on Custom 
Capabilities at that might be helpful: 
http://justintadlock.com/archives/2009/09/18/custom-capabilities-in-plugins-and-themes

On 1/22/2010 11:23 AM, Andrew Nacin wrote:
>> The ability for users to have individual capabilities was removed because
>> nobody really used it, no?
>>      
>
> Actually, that still exists.
>
> The current system allows for a single user to have multiple roles and
> overriding individual capabilities as well. What has been proposed is
> limiting users to a single role with no opportunity for individual
> capabilities on top of that.
>
> This could significantly increase performance in many situations, as
> currently the system can result in a lot of overhead. (For example, if you
> wanted to get a list of all users with a certain capability, and you have X
> number of users you have to calculate capabilities for...)
>
>   We may need to introduce role management as either a feature or a
> core/canonical plugin at that point, that way roles can be cloned and
> fine-tuned.
>
> See also: http://core.trac.wordpress.org/ticket/10201.
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