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Create a filtering system using wordpress taxonomies

Posted on 2010-11-11
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Last Modified: 2012-06-27
Basically I have a hierarchical list of taxonomies in Wordpress 3.0.1 associated with posts in 5 separate taxonomy groups.  What I want to accomplish is to make a section where the user can submit a search query using checkboxes of the various taxonomy items, selecting one from each taxonomy group.  And then after clicking submit they'd be able to see the posts that met the criteria of satisfying each taxonomy query the user selected.

For example, they select a specific artist from one group, a specific year from one group, and a specific type of artwork from another group and press 'submit'.  The page would then show results of only posts from that specific artist, from that specific year, of that specific type.  Essentially an advanced search based off the taxonomies.  Is there any precedence in this? Does anyone have any help?
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Question by:nvp7777
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by:AndyBeard
ID: 34116451
The best precedence I know of was the original Ultimate Tag Warrior plugin which has all kinds of fancy search methods.
In many ways the tag system, and now taxonomies is still playing catch up.
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by:nvp7777
ID: 34141125
does anyone have any other ideas? i also am looking for a way to add custom taxonomy data in bulk to categories of posts... any ideas there?
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AndyBeard earned 500 total points
ID: 34153472
One of the things you need to understand is that WP Core really is still playing "catchup" in some ways with what was possible with older taxonomy systems.

WP 3.1 in theory fixes some things though not due for another month.

Here is one example taxonomy picker
http://www.squidoo.com/taxonomy-picker-wordpress-plugin

But as they point out, it doesn't handle multiple taxonomies

This hack does
http://wordpress.org/extend/plugins/query-multiple-taxonomies/

It works, it is resource intensive so you won't be best friends with your hosting provider if you use it on shared hosting extensively, especially if you allow Googlebot to index it.
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