Sergey Biryukov 4fbe6e0801 Docs: Add missing parameter description in wp_get_post_parent_id() function DocBlock.
Rename `$post_ID` to `$post` for consistency with other functions.

Add unit tests for `wp_get_post_parent_id()`.

Props keesiemeijer.
Fixes #42797.

git-svn-id: https://develop.svn.wordpress.org/trunk@42397 602fd350-edb4-49c9-b593-d223f7449a82
2017-12-15 01:01:01 +00:00
2017-11-07 05:46:41 +00:00
2017-11-30 23:09:33 +00:00
2017-11-30 23:09:33 +00:00
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