It seems like there was some kind of problem with my multisite setup which caused WordPress to fetch the categories from some other blogs posts. (Can’t really tell where from actually). However by writing switch_to_blog(1) (which it always will be) it seemed to work as it should.
Related Posts:
- WordPress Multisite – global categories
- Get posts from sites in Multisite?
- Multisite – Protect categories from deletion?
- Category page doesn’t use category.php, instead it redirects to homepage
- 5 blogs on one WordPress site
- Multisite blog converting categories to subdomains
- Adding categories to all blogs at once
- WordPress MU 2.9.2 to 3.0.5 changes to category.php
- How to make category RSS feeds show full content
- Multi-site or categories?
- Multisite – create a category in specific site
- WordPress Multisite – global categories
- Default category link for a custom category is a broken link
- Archives for each category on WP Multisite
- How do I share categories across selected sites in a Multisite setup
- wordpress multisite… collect all posts on main blog – exclude category?
- Can Categories be used to hack a Multisite-like setup w/ a single MySql db?
- How to Sync Menu, Widgets and other masters from Main Website to its Sub Site
- Categories show 404 error on multisite installation
- Global navigation in multisite: problem with categories
- Duplicate new categories across multisite network
- get_the_category return empty inside loop
- global categories – Share specific categories in wordpress multisite
- Limit Category/Tag Dropdown To blog_id in Multisite Install With Global Categories/Tags
- Using template file for single post in sub-directory multisite
- A search box for all sites – Multisite
- How to create default categories in new installs?
- Multiple parent categories
- How to populate a WordPress install with a lot of categories, quickly?
- How to structure Multisite sites into categories?
- How to create an automatic MultiColoumn MegaMenu with Categories WordPress
- Is There a Difference Between Taxonomies and Categories?
- List all subcategories from category
- How To Find Out WordPress Category Table in MYSQL?
- Add custom field to Category
- Get Category ID inside Category template
- Only one category per post
- Get the children of the parent category
- WP REST API: filter by category 1 AND category 2
- How To Get Parent Category Slug of Current Post
- Display All Products by Category with WooCommerce
- What is the difference between a “tag” and a “category”?
- Is there an easy way to make a meta box have the tabs like the Categories meta box has?
- How to check if I’m on the last page of posts?
- Display posts from the same category using next/previous post link
- How would I get a taxonomy/category list inside a Gutenberg block?
- Can I set a default featured image for a category?
- Check if a post is in any child category of a parent category
- How to export and import taxonomies (category, tag and/or custom taxonomy) and their terms
- Force category choice before creating new post?
- Gutenberg editor add a custom category as wrapper for custom blocks
- WooCommerce: List All Categories
- How to get category and archive title?
- Get category ID from category slug (not working)
- How do I remove “Uncategorized” from posts with more than 1 category?
- Get rid of WordPress category, tag and author archives?
- Individual rss feed entry length for categories?
- How can I create a category landing page followed by pages of posts?
- Remove parent category from permalink? Basically only have the child category?
- Custom permalink structure leads to be 404 on pagination
- Retrieve Product category ‘NAME’ by product category ID – WooCommerce?
- Posts URL structure like site.com/category/the-post-title
- Can’t custom taxonomies have same terms (slugs) as categories?
- How to get permalinks with category base working with sub-categories
- How to remove the term “category” from category pagination?
- Using wp_category_checklist in a widget
- WP 3.9 TinyMCE no longer loads on category description editor
- On the category page, get the category object
- Get only the top level categories using get_categories() without foreach loop
- Get all categories and posts in those categories
- How to add featured image for category (without a plugin)?
- How to create a custom sort for WordPress categories
- How to display non-hierarchical taxonomy as terms with checkboxes?
- Category archive by year with permalink support /category/YYYY
- Best Way to Redirect Category to Page and Hide Category
- get_terms vs. get_categories: does it matter?
- What is a good robots.txt?
- Allow users to create their own feed from selected categories?
- Hook when category is added to post
- get_categories for custom post type with a specific custom taxonomy attached
- Add a URL prefix to permalinks of one category of posts only
- How do you add categories to custom post types in WordPress?
- Create a category list page
- Catch 404 after changing permalink structure from /%postname%/ to /%category%/%postname%/
- Woocommerce get category image full size
- WordPress: Can I add categories/tags to all sites in my network at once?
- exclude category from get_posts?
- How To Modify The Loop in archives.php To Have 11 Posts Per Page and CSS Styling
- How can I hide a category from Contributors in the edit/add new post screen?
- Order get_terms() By Custom Field
- WordPress Multiple Category Search
- Should category.php and The Loop be used if the query needs to be customizable?
- How do the ‘tag’ and ‘category’ (default) taxonomies do ‘save_post’ action?
- How to Change the Categories Order in the Admin Dashboard?
- Control term order on a per-post basis
- How to remove categories filter from wordpress admin?
- get all tags from category
- Could not insert term into the database
- How can I add the featured image functionality to a custom taxonomy?
- Activate Gutenberg in category-descriptions