Hook name: wp_insert_post_data
Hook type: filter
Sourcefile:
Description: Filters whether the post should be considered “empty”. The post is considered “empty” if both:
1. The post type supports the title, editor, and excerpt fields
2. The title, editor, and excerpt fields are all empty
Returning a truthy value from the filter will effectively short-circuit
the new post being inserted and return 0. If $wp_error is true, a WP_Error
will be returned instead.
Parameters:
Deprecated?: No
