Contributors: billerickson
License: GPLv2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html

Custom location rules for Advanced Custom Fields. See this post for more details.

Include the appropriate file in your Core Functionality plugin.

Display/hide a metabox if the current page is an ancestor of the selected page at any level (child, grandchild, great grandchild…).

Display/hide a metabox if the parent of the current page is using the selected page template

Display/hide a metabox if the current page has no children pages.

Display/hide a metabox if the current post is in a category that's an ancestor of the selected category.