taxonomy - Filtering multiple categories via the URL

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Is it possible to filter multiple categories via a URL?

Basically I have two sections to the site, let's call them fruits and vegetables.

I have a list of categories which applies to both of these, let's call them red and orange.

So my category structure looks like this:

• type
  • fruits
  • vegetables
• color
  • red
  • orange

So if I made a post called "Carrot", I'd assign it to "vegetables" and "orange"

What I'm trying to make is custom category pages for fruits and vegetables. The user will see the color categories listed in the sidebar, but if they are on the vegetables category page and click "orange" from the sidebar, they should only see posts that are in vegetables AND orange.

I was really hoping there'd be a way to do this with the URL. I tried:

example/?cat=id-3+id-21

but this shows posts that are in vegetables OR oranges, which is no good.

Is there a way to do this via the URL? Or is this going to require a custom query?

本文标签： taxonomyFiltering multiple categories via the URL