The filter is manage_{$screen->id}_columns, and $screen->id is edit-category, giving you manage_edit-category_columns.
I found this by placing a var_dump() in get_column_headers(), which is called by print_column_headers(), which is called in wp-admin/edit-tags.php, the page where you edit the category items.
Related Posts:
- WP 3.3 How to Add Menu Items to the Admin Bar?
- What are the advantages to the Settings API?
- Optimize shortcode callbacks
- Custom action button in Gutenberg editor (post_submitbox_misc_actions – equivalent)
- Modifying the way WP sets cookies
- add_action with a class method is causing fatal errors
- Include third party Javascript library which is not included in WordPress
- Update a Plugin while maintaining back compatibility: general
- How to get vim to autocomplete WordPress API functions?
- Not sure the best way to save custom plugin data
- How do I make specific plugin functionality apply to different sites in a network?
- Plugin development with unit tests
- What is a settings group actually for?
- The changes I make to an external JS file of my WP plugin are only applied after I clear my browser’s cache
- How does gettext works for translating readme file of plugin?
- How to debug WordPress correctly?
- How to add multiple copies of a widget from “available widgets”
- How do I approach removing menu items on the fly based on settings in my plugin?
- Can I use core’s “or Link to Existing Content” feature in my plugin?
- Plugin with specific admin menu icon
- Translate strings not recognised in plugin
- Print WordPress username id inside JavaScript
- How to Download and install plugin database remotely
- Should I always prefer esc_attr_e & esc_html_e instead of _e?
- WordPress add_admin_page not working even parameters are correct?
- How to use WP_Term with (menu) argument in the wp_nav_menu?
- using new WP_Query in save_post function alters $post
- Preview Changes button missing on custom post type page since updating to 3.4
- Any problem in using native jquery ajax style instead of using admin-ajax.php?
- Communicate between plugins
- WP_Editor – Saving Value into Plugin Option – Stripping HTML
- How To Consistently Enforce Rewrite Rule in Plugin Development
- Warning: Cannot modify header information – How to resolve this issue? [closed]
- $paged always 0 on plugin’s custom page
- Is there a way in which I can compare product id with the order id to display content on front end before placing the order? [closed]
- Video Security just like facebook [closed]
- Email verification for new users
- Link Pop-up in custom plugin
- Insert/Update values to a table after blogname option etc. is updated
- Does admin_print_scripts-$hook_suffix work for nested paths to individual files?
- How to add a widget to the post editing view?
- How to query custom db table?
- WordPress debug messages not displaying
- Show message from backend
- Cannot change caption for a plugin
- Remove all removed pages from wordpress
- PHP File_exist() not working – Checking if File Exist in WordPress Theme Directory
- Woocommerce inventory [closed]
- Invalid hook call on save, not edit when using swiper slider
- Call to undefined function is_home() or any conditional tags
- how to load the comment template from a plugin
- Change/Set Page Title and Meta Tags from Page Called within a Plugin
- WooCommerce Endpoints content
- Is there any way to fire heartbeat API from for website visitors?
- Look for a file in a theme before loading from plugin
- Include HTML (Bootstrap Modal Box) with a plugin into my header
- when i activate my plugin i want to auto create pages with shortcodes
- Using init hook for register_taxonomy is causing invalid_taxonomy in wp_insert_term()
- How can I prevent ‘500 internal server error’ because of a long install process?
- How to display TinyMCE HTML view?
- Displaying custom content from a plugin within the active theme
- Downloading File via headers doesnt work
- get the permalink error
- Cannot output plugin twice with shortcode
- Custom plugin & calling REST api of wordpress instance the plugins is running on
- Add variables from rewrite rules to query var
- Gutenberg – Call google map render function in save after DOM has been rendered
- Does $this context change in an AJAX callback?
- How do I specify where to save the debug.log?
- WordPress custom url without using any of the custom tags given
- How to call a plugin function from a page
- Code for cron to delete posts that contain specific expression (e.g. “unable to fetch” every 30 minutes
- If user is logged-in display/hide widgets ( siteorigine) [closed]
- Javascript not being loaded only in custom taxonomy template
- User Registration Moderate
- How to fetch the post content from the wordpress editor before it can be saved(published)?
- pull data from wordpress database
- Implementing Select2 plugin into WordPress
- How does one set cookies in WordPress without getting the ‘headers not sent’ error? within WP
- Object Oriented plugin, add action and variables
- Why user is added back in database after deletion?
- Glyphicons Dont Show in WordPress Plugin Only
- add_action priority and taxonomy used in plugin
- Change the search results header from plugin
- Tracing dashboard publish settings from input form in WordPress
- Post data in wp-admin to external database
- Add query string variables to all hyperlinks URL matching a specified domain
- Virtual Page with Registration form
- Is there such a thing as a WordPress console?
- Images not displaying on live server
- redirect word-press page with page values
- How to do searching based on keywords added in page
- How to only Load scripts on variable products page
- Using tag or inline style attribute?
- Forcing the Uninstall Hook to fail
- remove () from category number [closed]
- Find Any Theme’s page.php File
- WP Job Manager – Show recent jobs as cards
- Admin Menu for New Post
- multiple record insert creating many duplicate records