A taxonomy is a generic "category" used to organize posts and custom post types

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33
votes
5answers
26k views

Using wp_query is it possible to orderby taxonomy?

My question is simple, I'm using WP_Query to retrieve some custom type posts filtering by a taxonomy using tax_query. Now my problem is I would like to orderby the taxonomy, but from documentation ...
27
votes
1answer
329 views

How to perform unit testing on proposed patches in Trac?

I was looking for some insight and good resources on how to correctly perform unit testing on proposed WordPress patches in the Trac and how to accurately report the results from the testing. I'm new ...
24
votes
3answers
25k views

How to get all taxonomies of a post type?

How can i get taxonomies of a post type? If I have a post type event and i need to find out the list of taxonomies that are attached to that post type. How do I find them?
24
votes
1answer
12k views

The Difference Between Hierarchical and Non-Hierarchical Taxonomies?

The question is "What is the Difference Between Hierarchical and Non-Hierarchical Taxonomies?" This question really stumped me at first so I figured it would be a good idea to show the difference to ...
24
votes
5answers
20k views

Adding Fields to the Category, Tag and Custom Taxonomy Edit Screen in the WordPress Admin?

The question is "How do I add one or more fields to the Category, Tag and Custom Taxonomy Edit Screen in the WordPress Admin?" This question was asked on the wp-hackers list August 1st 2010 and I ...
22
votes
3answers
14k views

Renaming Custom Post Types and Taxonomies

I started developing a site with over a dozen custom post types. I'd like to rename a few of them, not just the display value, but the actual custom post type name. I'm worried however that by just ...
18
votes
2answers
10k views

Is There a Difference Between Taxonomies and Categories?

I've been reading the codex for WordPress closely and am confused about the vague definitions between what a Taxonomy is and what a Category is. For that matter, term is also a word that is used in ...
18
votes
9answers
20k views

How to show a hierarchical terms list?

I have a hierarchical taxonomy called 'geographical locations'. It contains continents on a first level, and then the countries for each one. Example : Europe - Ireland - Spain - Sweden Asia - Laos - ...
13
votes
5answers
6k views

Can I add a Category Metabox to attachment?

I am using register_taxonomy_for_object_type() to add the Category taxonomy field to Media uploads (attachments). I'm using this code to do so: add_action('init', 'reg_tax'); function reg_tax() { ...
12
votes
4answers
7k views

Can the default “post tags” taxonomy be renamed?

I'm intending to use the default "post tags" taxonomy to provide a common set of tags across posts and 2 custom post types (to allow for collection/aggregation by tag). I'd like to rename the "post ...
12
votes
2answers
7k views

get_terms by custom post type

I have two custom post types 'country' and 'city' and a shared taxonomy 'flag'. If I use: <?php $flags = get_terms('flag', 'orderby=name&hide_empty=0'); I get a list of all terms in the ...
11
votes
1answer
7k views

Saving Taxonomy Terms

I have an interesting problem which I hope someone can quickly answer. I have created my own metabox which, based on "MY METABOX CODE" (list below) is correctly displaying a dropdown list of all my ...
9
votes
3answers
15k views

Attaching taxonomy data to post with wp_insert_post

I am trying to implement a front end posting system which shows taxonomy data in several dropdown select fields. Each of the dropdowns is named by using the "name" $arg in wp_dropdown_categories(). ...
9
votes
1answer
358 views

Need a simple but complete example of adding metabox to taxonomy

Now that WordPress 4.4 is out, we can start using the new awesome term meta functions! Still, there seems to be no simple tutorial on how to add a basic text field to a Taxonomy. I tried to adapt ...
8
votes
3answers
3k views

Can you add the visual editor to the description field for custom taxonomies?

Can you add the visual editor to the description field for custom taxonomies? It would be nice to have this option available when you edit an entry for a taxonomy be it core or custom.
8
votes
1answer
3k views

Taxonomy dropdown metabox in the back-end

I've created custom taxonomy called Brands and made it hierarchical so I can add Car brands and models there and keep their relations, like this: Ford Mustang Mondeo Focus Problem is, this list ...
8
votes
4answers
6k views

How do I append multiple taxonomies to the URL?

Multiple taxonomies in URL How does one append multiple taxonomies to the URL having the following: Post Type: products Taxonomy: product_type Taxonomy: product_brand Adding new ...
8
votes
1answer
3k views

Best way to programmatically remove a category/term from a post

I am working on a script to convert all posts in a given category to use a postmeta flag instead (testing of MySQL has shown me that on a site as large as mine this will lead to a meaningful decrease ...
8
votes
2answers
616 views

Why does get_term() require taxonomy? Are term_ids not unique?

A related WPSE question asks how to get the term by specifying ID only, without specifying taxonomy. My question is more philosophical. Generally, stuff in WP core is there for a reason. I'm trying to ...
7
votes
5answers
8k views

How to export and import taxonomies (category, tag and/or custom taxonomy) and their terms

I want to export all Wordpress categories (no posts, just categories) from one blog to another. How can I do that ?
6
votes
1answer
9k views

Custom taxonomy list page?

I've been searching Google for this to no avail. I'm working on a restaurant site, and I have a custom post type for dishes, like so: $args = array( 'labels'=> $labels, 'public'=> ...
6
votes
2answers
821 views

Add 'Description' to taxonomy 'Quick Edit'

This seems fairly straight forward, but I cannot find a definite guide on how to add the taxonomy description field to the quick edit box. I've followed several tutorials on adding fields to the ...
6
votes
3answers
7k views

How to use taxonomies on attachments with the new Media Library?

WordPress 3.5 changed the media management and now the Media Library edit screen uses the default post type UI. Taxonomies are very useful for WP installs with different users and attachments, giving ...
6
votes
2answers
13k views

How to get taxonomy term of the current page and populate queries in the template

I've been stumbling around trying to figure out how to get a specific taxonomy term of the current page so that I can subsequently populate queries on the page for other post types that share the same ...
6
votes
4answers
8k views

Add custom taxonomy fields when creating a new taxonomy

I've been able to leverage this super tutorial by @Bainternet in order to add custom fields for taxonomies. I've tweaked the markup, and added a separate callback to add fields to the "Add New ...
6
votes
4answers
3k views

Plugin to restrict non-admin user to existing tags

Is there a plugin that would restrict non-admin users to only existing tags? I could have used categories for this, but it will be difficult to display with a large population (~1000) of tags.
6
votes
3answers
10k views

get_categories for custom post type with a specific custom taxonomy attached

Basically I have a custom post type of 'products' which has two taxonomies attached to it...the normal 'category' and a custom taxonomy called 'brands'. I have a page which is 'brand' specific. On ...
6
votes
1answer
1k views

How can I create a taxonomy meta-box with search suggestions but no new terms input?

I was wondering how I could setup a taxonomy metabox on a post edit page that would be similar to the "tags" kind (with search field and automatic suggestions), but without the right to add a new ...
6
votes
1answer
134 views

What is wp_insert_term “alias_of” arg for?

I currently put my hands into WP taxonomy and terms to find solutions for my project. I knew that it's not possible to have same terms slug when creating a term with wp_insert_term in one Custom ...
6
votes
1answer
1k views

Permalink with sub-sub-category and post name

Working on a new theme project and I created a custom post type called products with its own custom taxonomy. I want the URL structure to be: ...
6
votes
1answer
10k views

How does Woocommerce store variation attributes, and how can they be retrieved per-variation? [closed]

I am trying to pull out a list of product variations from a Woocommerce installation, with their attributes - something like this: product id variationid name color size 5 1234 ...
5
votes
4answers
7k views

Attaching Metadata to a Taxonomy Item

I have a taxonomy of menus i.e. Coffee, Tea, Sandwiches, Cakes etc. I want to add more information 'about' the taxonomy such as an image that represents it alongside the other pieces of taxonomy ...
5
votes
3answers
843 views

Separate Media Library for each user

I'm creating a theme for a client and one of their requests is to allow users to upload images for their own use, but there may be an option to share the images. Here are some of the caveats: Each ...
5
votes
5answers
5k views

Remove the category/taxonomy description field?

How can I remove the category/taxonomy description field? The one which shows up on the edit category/taxonomy page.
5
votes
1answer
24k views

Get Posts by Custom Post Type ,Taxonomy, and Term

Ok, so i have a Custom Post Type called "Services". This custom post type has a taxonomy called "Areas" and there's 5 terms in that taxonomy. Let's say I have 10 posts on "Services" and there's 5 ...
5
votes
3answers
9k views

How to add a default item to a custom taxonomy?

Wordpress default taxonomy (Categories) has the item Uncategorized by default. How to add a default item to a new custom taxonomy? functions.php: // === CUSTOM TAXONOMIES === // function ...
5
votes
3answers
6k views

Custom Post Type - Taxonomy Dropdown Menu?

I have created a custom post type and added various meta boxes/fields to this custom post type. All is working excellent except for one element... Instead of utilizing the default interface for ...
5
votes
1answer
2k views

Show WordPress Custom Taxonomy Items Based On a Selected Item From Another Custom Taxonomy

Let me explain the problem I am dealing with: I have 2 custom taxonomies. One is named "thestate" and the other one is named "thetown". In "thestate" I have listed all the states in the U.S. In ...
5
votes
5answers
2k views

Different post sort order within different categories

I need to give each post a unique post order for multiple Categories (per post) it is in. I can imagine a solution using custom fields whereby for each Category there is a corresponding custom field ...
5
votes
1answer
4k views

How do I dynamically populate wp_nav_menu from a custom taxonomy?

I know this question has been asked in different forms. But as far as I can tell from searching Google and SE/WP it's never been satisfactorily answered. Let's say I have a taxonomy clubs and a ...
5
votes
1answer
627 views

Weird behaviour when adding terms/term_taxonomies programmatically

This certainly looks like a bug to me. I put together the following code for you to test it on a fresh install. Basically, the code will add two sub categories under the "uncategorized" to achieve ...
5
votes
2answers
1k views

Share one taxonomy across multiple blogs in 3.0 [duplicate]

Possible Duplicate: WordPress Multisite - global categories I have a series of blogs that will use some, but not all, of the same posts. We have one blog where many of the posts are ...
5
votes
3answers
914 views

Taxonomy term in permalink

I have a big problem. I have been banging my head on this all day long. It seems to be a stupid easy question. Possibly also with a stupid easy answer. But I can't seem to find it. What I want is ...
5
votes
1answer
636 views

How to organize and cache additional data associated with terms?

I'm updating a plugin of mine and am have a hard time figuring out the "best way" to build in a specific bit of functionality. The plugin allows users to associate images from their media library to ...
4
votes
5answers
18k views

Custom Taxonomy WP_Query for All Terms in a Taxonomy?

Is there an easy way to query for any posts that is tagged with any term from a particular taxonomy? I know this technique: $custom_taxonomy_query = new WP_Query( array( 'taxonomy_name' => ...
4
votes
2answers
13k views

Get posts under custom taxonomy

I am not getting the posts under custom taxonomy(fabric_building_types).I am getting cat_id and cat->name also but not able to get the posts. $args = array( 'type' => ...
4
votes
1answer
2k views

Sortable admin columns, when data isn't coming from post_meta

I have a custom post type that uses a custom taxonomy. I'm imposing a limit of a single term to each post (using a custom meta box drop down on the edit post screen for the CPT). The term for the ...
4
votes
3answers
6k views

Custom Post Type Archives by Date and Taxonomy

Lets use the classic example of a custom post type called "movies", with its own taxonomy called "genre". By registering the custom post type (with a "movie" slug), the permalinks are already set up ...
4
votes
2answers
2k views

get term by id without taxonomy

Can I get the term by it's id without knowing to whish taxonomy it belongs? I have a meta field that stores term ids, but doesn't store the taxonomy. However, all the get_term function have taxonomy ...
4
votes
2answers
581 views

wp_set_object_terms() — prevent overwrite?

From my understanding (and before trial and error), wp_set_object_terms( 'post_id', 'add_this_term', 'in_this_taxonomy'); But from the Codex, apparently adding the term will overwrite any other ...