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wordpress-develop/tests
Peter Wilson ac0bae2359 Query: Cache post parent IDs in posts group.
Move the cache of post parent IDs from the dedicated group `post_parents` to `posts`. This maintains backward compatibility for clearing all post object related data by calling `wp_cache_flush_group( 'posts' )`.

Post parent IDs are now cached with with the prefix `post_parent:` in the `posts` group.

Follow up to [56763].

Props spacedmonkey, joemcgill, peterwilsoncc.
See #59188.


git-svn-id: https://develop.svn.wordpress.org/trunk@56925 602fd350-edb4-49c9-b593-d223f7449a82
2023-10-12 23:39:05 +00:00
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