Questions tagged [taxonomy]

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

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55
votes
11answers
73k 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 ...
54
votes
3answers
45k 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 ...
54
votes
7answers
73k 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?
43
votes
11answers
59k 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 - ...
40
votes
4answers
157k 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' => '...
36
votes
7answers
39k 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 ...
35
votes
1answer
28k 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 ...
33
votes
3answers
24k 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 ...
32
votes
1answer
362 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 ...
22
votes
5answers
25k 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 ...
22
votes
1answer
10k 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 ...
21
votes
3answers
41k 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(). ...
19
votes
3answers
65k 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 ...
18
votes
5answers
8k 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() { ...
17
votes
4answers
16k 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 ...
16
votes
1answer
12k 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 ...
15
votes
1answer
116k 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 ...
14
votes
1answer
17k views

Custom columns for taxonomy list table

I have the following code to add a new column to my taxonomy edit screen (edit-tags.php?taxonomy=book_place&post_type=books) function add_book_place_columns( $columns ) { $columns['foo'] = '...
13
votes
3answers
28k views

Custom Taxonomy as checkbox or dropdown

I have registered a custom tax to my CPT. On the edit screen the tax meta box appears with an autocomplete field. Is it possible to display it as checkboxes or dropdown instead?
12
votes
5answers
53k 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' => '...
12
votes
3answers
20k views

Taxonomy: Why 'with_front' => false DOES NOT WORK?

Seriously, why 'with_front' => false does not work as it should be? It is supposed to remove TAXONOMY BASE NAME and my question is why it does not work? I just dont want the taxonamy base slug ...
12
votes
1answer
16k views

Custom taxonomy list page?

I'm working on a restaurant site, and I have a custom post type for dishes, like so: $args = array( 'labels'=> $labels, 'public'=> true, 'publicly_queryable'=>true, 'show_ui'=...
12
votes
3answers
34k views

How to change permalink structure for custom post type and it's taxonomies?

This is a repost of an earlier question I had, but I like to go into more details now to be able to fully solve this. So again, with (normal) posts changing the permalink is as easy as going to ...
11
votes
5answers
27k views

Get the first post term

How do I get only the first term of a custom post type. I can get all - no problem. This what I am using to grab all of them <?php foreach ($terms as $term) {echo '<a href="'.get_term_link($...
11
votes
3answers
15k 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 ...
11
votes
2answers
14k views

Check if a post is in any child category of a parent category

In a site I'm developing, I have the following category structure: * movies (parent) * thriller (child) * comedy (child) * drama (child) The current post is in the comedy category. The ...
11
votes
5answers
38k 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 ?
11
votes
5answers
22k 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 ...
9
votes
3answers
44k views

How to add images to taxonomies?

Q: Is it possible to add images to all of my taxonomies (default and custom ones)? Note: I do not want to use any plugins (not my favourite solution for design related matters). Usage: I want to ...
9
votes
4answers
12k 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 product ...
9
votes
7answers
14k 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.
9
votes
3answers
7k 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.
9
votes
1answer
4k 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 ...
9
votes
2answers
4k 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 term....
8
votes
2answers
18k views

Check if a post has any term in this custom taxonomy?

This, if( has_term( 'jazz', 'genre' ) ) { // do something } will check if a post has the term jazz from the custom taxonomy genre. But how to check if a post belongs to a custom taxonomy genre? ...
8
votes
2answers
3k 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 ...
8
votes
2answers
7k 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
777 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 ...
8
votes
1answer
24k 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 ...
7
votes
1answer
8k views

custom post type taxonomy "tag" archive : no post found

I've registered a custom post type "object" and registered the taxonomy "post_tag" so that these objects can be tagged. register_taxonomy_for_object_type('post_tag', 'object'); When I visit domain....
7
votes
1answer
29k views

tax_query in get_posts() not working?

I'm trying to print out all the posts within every taxonomy for a custom post type called product (jigoshop products). So i get all of the taxonomies using $cats = get_terms('product_cat');, then i ...
7
votes
5answers
19k views

Add custom taxonomy fields when creating a new taxonomy

Edit: Important note for WordPress v4.4 onward This question used a great workaround for the lack of real term meta in older versions of WordPress, but since the release of WordPress v4.4, real term ...
7
votes
7answers
11k views

How to display non-hierarchical taxonomy as terms with checkboxes?

I'd like to have a non-hierarchical custom taxonomy displayed in the add/edit posts admin screen for a custom post type. Obviously, when the custom taxonomy is non-hierarchical, the meta box that's ...
7
votes
1answer
12k views

Contact Form 7 - Populate Select List With Taxonomy [closed]

With contact form 7, is it possible to populate a DDL (Selection List) with Custom Taxonomy Values? I want the user to be able to click the category they want to refer to from my Custom Post Type.
7
votes
4answers
7k 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.
7
votes
3answers
19k 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 ...
7
votes
5answers
8k 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 ...
7
votes
1answer
1k 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
3answers
64k views

How to display custom taxonomies in posts?

Almost all themes display categories (with its permalink) by default. I am looking for similar type of code to add in my theme. From where can I get it? To create custom taxonomies, I'm using More ...
6
votes
4answers
56k views

Get taxonomy names by post id

I'm trying to create a single page where I display a few posts on one page. So far so good. Works all fine. Now I display posts in a foreach loop where I check if they are connnected to the page. ...

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