Turns %tag% from permalink structures into usable links for the breadcrumb trail. This feels kind of hackish for now because we’re checking for specific %tag% examples and only doing it for the ‘post’ post type. In the future, maybe it’ll handle a wider variety of possibilities, especially for custom post types.

Get parent posts by path. Currently, this method only supports getting parents of the ‘page’ post type. The goal of this function is to create a clear path back to home given what would normally be a “ghost” directory. If any page matches the given path, it’ll be added.

Gets front items based on $wp_rewrite->front.