Laravel route model binding is the reason a resource controller rarely contains a manual Post::findOrFail($id) call. Part 1 covered how Laravel routing works at a basic level, and ended on the {post} parameter in a resource route resolving straight to a Post model instead of a raw ID. This part covers how that actually happens, and the handful of places it stops working the way you'd expect: custom lookup columns, nested resources, and soft-deleted rows. Implicit binding: mat...