Yes, it is possible to create a new category for posts using an Advanced Custom Fields (ACF) form.
You will need to use the wp_insert_category function to insert the new category into the database.
You can also use the wp_set_object_terms function to assign the new category to the post when the post is created or updated.
It’s also possible to use a plugin such as Gravity Forms or Contact Form 7 that allow you to create forms and use the acf hooks to handle the form submission.
When bulk importing categories on WordPress, you can indicate the parent-child relationship by including a “Parent” column in your CSV file and specifying the parent category’s name or ID in that column for each child category. The importer should then create the hierarchy accordingly.
It’s also possible to use a plugin such as WP All Import which allows you to import data into custom fields, custom taxonomies, and other WordPress data.
