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CPT-onomies: Using Custom Post Types as Taxonomies

Use your custom post types as taxonomies. Create powerful relationships between your posts and, therefore, powerful content.

CPT-onomies is a multisite compatible WordPress plugin that allows you to create very powerful taxonomies and, therefore, very powerful relationships between your posts.

CPT-onomies are Custom-Post-Type-powered taxonomies that function just like regular WordPress taxonomies, even allowing you to use core WordPress taxonomy functions, such as get_terms() and wp_get_object_terms(). Check out the CPT-onomy documentation to see which core WordPress taxonomy functions work and when you'll need to access the plugin's CPT-onomy functions.

CPT-onomies includes a custom post type manager, allowing you to create custom post types and register CPT-onomies without touching one line of code!

If you're running a WordPress multisite network, you can register your custom post types/CPT-onomies across your entire network OR on a site-by-site selection. All from one screen!

If you're already using a plugin, or theme, that creates custom post types, don't worry, CPT-onomies is all-inclusive. Any registered custom post type can be used as a CPT-onomy.

What Is A CPT-onomy?

A CPT-onomy is a Custom-Post-Type-powered taxonomy that functions just like a regular WordPress taxonomy, using your post titles as your taxonomy terms. "Attach", or register, your CPT-onomy to any post type and create relationships between your posts, just as you would create taxonomy relationships. Need to associate a CPT-onomy term with its post? No problem! The CPT-onomy term's term ID is the same as the post ID.

Is CPT-onomy An Official WordPress Term?

No. It's just a fun word I made up.

Need Custom Post Types But Not (Necessarily) CPT-onomies?

CPT-onomies offers an extensive, and multisite compatible, custom post type manager, allowing you to create and completely customize your custom post types within the admin.

Why CPT-onomies?

It doesn't take long to figure out that custom post types can be a pretty powerful tool for creating and managing numerous types of content. For example, you might use the custom post types "Movies" and "Actors" to build a movie database but what if you wanted to group your "movies" by its "actors"? You could create a custom "actors" taxonomy but then you would have to manage your list of actors in two places: your "actors" custom post type and your "actors" taxonomy. This can be a pretty big hassle, especially if you have an extensive custom post type.

This is where CPT-onomies steps in. Register your custom post type, 'Actors', as a CPT-onomy and CPT-onomies will build your 'actors' taxonomy for you, using your actors' post titles as the terms. Pretty cool, huh?

Using CPT-onomies

What's really great about CPT-onomies is that they function just like any other taxonomy, allowing you to use WordPress taxonomy functions, like get_terms(), get_the_terms() and wp_get_object_terms(), to access the CPT-onomy information you need. CPT-onomies will also work with tax queries when using The Loop, help you build custom CPT-onomy archive pages, allow you to programmatically register your CPT-onomies, and includes a tag cloud widget for your sidebar. Check out the CPT-onomies documentation for more information.

If you're not sure what a taxonomy is, how to use one, or if it's right for your needs, be sure to do some research. The WordPress Codex page for taxonomies is a great place to start!

Note: Unfortunately, not every taxonomy function can be used at this time. Check out the CPT-onomy documentation to see which WordPress taxonomy functions work and when you'll need to access the plugin's CPT-onomy functions.

Requires: 3.1 or higher
Compatible up to: 3.7.1
Last Updated: 2013-11-8
Downloads: 16,517

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