Create a custom taxonomy (as you have) except change the hierarchical argument to true for the meta box to behave like the default categories taxonomy:
'hierarchical' => true
Related Posts:
- Filtering a custom post type by custom taxonomy in archive template
- How can I list all the categories under a Custom Post Type (taxonomy)?
- How to build a complex page structure
- Glossary with Custom Post Type
- Custom-Taxonomy as categories: Remove “most-used” tab?
- Add filter to wp_list_categories and query what type of taxonomy-terms it use?
- Custom edit post column – category not showing
- Taxonomy list. Order by a specific custom post type count
- How to show custom taxonomy in the permalink?
- Custom post type taxonomy template
- Custom/separate categories for custom post type
- Display Posts of a Category in Alphabetical Order (Custom Post Type)
- Taxonomy structure of Sport site
- Display Custom Category (taxonomy) Name in Custom Post Type
- get_categories() for only CPT
- Display types of posts in edit.php instead of All, Published, Scheduled and Draft
- custom taxonomy archive by year
- Get categories and descriptions from custom post type
- Custom Taxonomy – Tags Metabox is showing instead of Categories
- Querying Term Posts in Loop
- How to create new category for custom post type?
- Weird problem happening with custom taxonmy when creating/updating posts
- Custom Post Types and independent Categories – complex Taxonomy
- Should I use custom taxonomy or custom post type
- Set menu active state for custom posttype and category, given custom taxonomy term
- Custom Post Type Archive Page Filtering
- How can I auto-assign a CPT post to category in a custom taxonomy when published?
- Posts from all the categories are being displayed instead of particular category
- Conditional Statement custom post type category
- Custom Post Type With Categories
- Categories sorting
- Allow user to set custom order to a list of custom taxonomies?
- wp_list_categories() – current-cat class also inside posts?
- Categories of custom taxonomy don’t show any posts
- Show a Category X’s custom post type on Category X archive page?
- Hide parent categories when clicked, and show it’s childs
- Limit amount of posts made within a custom taxonomy
- Filter CPT posts by one or more categories
- Getting categories of posts under a custom taxonomy
- Can’t remove front from permalinks for custom taxonomy category page
- How to edit this code to get the categories in achieve page?
- Hierarchy and access control for Custom Post Types (CPT)
- Best method to make posts searchable, sortable and filterable – custom field, tag or category?
- browse by category and tags?
- I am trying to hide a custom post type category to logged in users with Pre_Get_Posts
- List of Posts and Categories
- Custom Post Type Category Link
- Custom Post type category pages template and loop
- in_category for custom post types
- Get parent category id from child category page for custom taxonomy
- How to add current custom taxonomy slug to body class
- List Posts By Custom Taxonomy
- How to Display Posts From Category Within a Custom Taxonomy?
- Disable custom taxonomy on admin bar
- Why does my taxonomy have a category style div id?
- Listing all slugs?
- The Difference Between Categories and Tags and Taxonomies and Terms
- Custom Post Type Categories URL not displaying posts
- get_terms() parent, child and grandchild
- Get child categories of custom taxonomy category?
- Custom Post Type Custom Archive Page Not Working
- List child categories from parent category on custom taxonomy page
- Displaying One Custom Post Type’s Content On Single Post of Another Custom Post Type
- Custom post types category
- Get terms for a specfic post from multiple taxonomies in custom post type
- Custom post not appearing under custom taxonomy category
- Retrieve Custom Taxonomies with Description and Slug
- Custom post type category permalinks and archive pages
- Custom Taxonomy Taxonomies of Same Name point to first created URL
- how to organize my categories or should I do custom post types for some?
- Advanced archive url structure (category, tag and date)
- Using get_terms() to list terms from one custom taxonomy AND from one specific built-in category
- Can’t Get Parent and Child Categories of Custom Taxonomy to Display
- How to divide Subcategories into pages of parent category wordpress
- Custom front-end form for adding post – Category problem
- How to show related posts of category on post within custom posttype
- How to display custom taxonomy term specific post?
- Create custom post type categories
- Show Custom Post Type based on Category on Archive Page
- How to manage a dynamic multi-level page hierearchy system?
- Categories manage
- Custom category taxonomy – archive page not showing up
- Help with Travel Guide Setup
- Custom post types not displaying per category
- Custom post type category archive URL redirects to home page
- Help with Multi Level Category Archive Page
- Dropdown switching subcategories portfolio
- Display custom Taxonomies same as listing Categories
- Organizing The Custom Post Type with Taxonomies / Parent Posts
- Display 2nd category, only once, as sub-heading, in the loop
- Get a list of categories ids
- Trying to create hierarchy between 3-4 custom post types
- Category / Custom Post Type permalink issue
- Display a custom post type list by taxonomy term
- Return Custom Post Type Categories
- Remove slug from Custom Category Permalink + dual-category permalinks
- Highlight specific menu item when custom post is page
- How can I show second most recent post in sidebar, if most recent post is open in the browser?
- Is it possible for post and custom post type to share a category base slug?
- How to add categories to a custom post type using wp_insert_post($new_post);