Masterpress 1.3.6 is a compatibility release. It resolves an edge case with shared fieldsets not working for MySQL 8 when the fieldset is limited to more than 1 post type or taxonomy or excluding any post types or taxonomies.
WOOF_Post :: id()
Returns the database ID of this post. This method is largely in place to normalise the API, so that you don’t need to remember if you should use uppercase ID or not. Every property in this API is always lowercase, underscore separated.