How To List A Custom Post Type’s Taxonomies And Terms

I’ve been using the new [Twenty-Ten]( theme for WordPress on my personal website; it’s great out of the box, but I wanted to display my custom post types and taxonomies in the same format as it uses for categories and tags. The function is broken into two parts: `ucc_get_terms()` returns a multidimensional array of the post’s taxonomy name(s) and each taxonomy’s term links; `ucc_get_terms_list()` gets the taxonomy information and formats the array for display in the template.

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Adding A Custom Taxonomy Terms Widget To WordPress

The WordPress Categories Widget currently only handles the `category` taxonomy. I’ve modified it to allow the user to select a taxonomy, and tied in the Tag Cloud Widget code to give the user the choice of display formats: list, dropdown, and cloud. Multiple instances are possible, providing the user with an easy method for displaying links to user-built taxonomy terms.

`preg_replace_callback()` is used to fix the JavaScript for the dropdown menu; instead of generating the default `?query_var=value` format, it uses `get_term_link()` to generate the term URL.

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