[wp-hackers] Dynamic walkers?

[Aaron D. Campbell]

Mike Little wrote:
> 2009/1/29 Bryan Fordham <bfordham at gmail.com>:
>   
>> So last night I wrote a simple plugin for a friend to modify how WP
>> displays pages. What I ended up doing was subclassing Walker_Page and
>> modifying walk().
>>
>> I wanted him to still be able to use all the options from
>> wp_list_pages, but to do that I had to duplicate that method, instead
>> of calling walk_page_tree it called a function just like it, only one
>> that used my Walker class.
>>
>> Hope that makes sense.
>>
>> Anyway, my question is: would it be worthwhile to patch wp_get_pages
>> to accept a custom Walker class? That would have kept me from
>> duplicating code, and help avoid all the problems that entails.
>>
>> I'm not much of a WP hacker, so this may be a bad idea, or totally
>> unnecessary, but if it's useful I can submit a patch.
>>
>> Thanks
>> --B
>>     
>
>
> Next version will support it.
>
> http://trac.wordpress.org/changeset/10230
>
>   

The same functionality will be added to the category walkers too: 
http://trac.wordpress.org/changeset/10246