The in_category function works only on existing (saved) posts. Here you can directly access the category in $postarr like this: if (‘affitti’ == $postarr[‘post_category’])) { wp_die(‘Error: Posts cannot be published with the default category.’); } By the way, are you sure you want to use wp_die for this and not some other error message? People … Read more
I also tested the code on a local sandbox WP and it worked as expected. As Howdy_McGee commented this is probably a conflict with 3rd party code. If disabling theme and plugins is not an option, you can try changing the priority of the actions – i.e. the third parameter to add_action(). By default priority … Read more
Hook into Gutenberg mobile layout?
The post filtering in child-category does not work
Removing user removes user meta?
Apparently the above code seems to work now. Had to do with a cache? Or maybe the code does not work when you try to connect with an earlier Application Password (a password that was generated before the code was added). EDIT: For anyone also using the Woocommerce app on the mobile. The above function … Read more
How to expose hooks to @wordpress/hooks?
Issue Copying Posts and Pages from One WordPress Site to Another
Is it possible to control order of all Admin Menu Items?
Display posts in correct month order using single date custom field