Boone Gorges 05fa2363ab Posts: Avoid the use of globals in get_the_content() and related functions. ...

This changeset introduces `$post` parameters to `get_the_content()` and
`wp_trim_excerpt()`. When a `$post` object is passed to one of these functions,
the functions will operate on the data from that object, rather than from the
post globals (`$authordata`, `$page`, etc). This ensures that the functions work
in a predictable manner when used outside of the regular post loop.

The global-mismatch problem is surfaced in cases where `get_the_excerpt()` is
called outside of the post loop, on posts that don't have a defined excerpt. In
these cases, the post globals - used to generate a fallback excerpt - may refer
to the incorrect object, resulting in PHP notices or other unpredictable
behavior. See #36934 for a related issue.

Props spacedmonkey, kraftbj, Shital Patel.
Fixes #42814.
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git-svn-id: http://core.svn.wordpress.org/trunk@44772 1a063a9b-81f0-0310-95a4-ce76da25c4cd

2019-03-20 15:49:49 +00:00

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