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Introduce WP_Comment class to model/strongly-type rows from the comments database table. Inclusion of this class is a pre-req for some more general comment cleanup and sanity.

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* Takes inspiration from `WP_Post` and adds sanity to comment caching. 
* Clarifies when the current global value for `$comment` is returned. The current implementation in `get_comment()` introduces side effects and an occasion stale global value for `$comment` when comment caches are cleaned.
* Strongly-types `@param` docs
* This class is marked `final` for now

Props wonderboymusic, nacin.

See #32619.


git-svn-id: https://develop.svn.wordpress.org/trunk@33891 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Scott Taylor
2015-09-03 18:16:35 +00:00
parent 52f31a77e9
commit 60ba8b05e4
16 changed files with 247 additions and 123 deletions
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4
src/wp-admin/includes/comment.php
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@@ -74,12 +74,12 @@ function edit_comment() {
}
/**
* Returns a comment object based on comment ID.
* Returns a WP_Comment object based on comment ID.
*
* @since 2.0.0
*
* @param int $id ID of comment to retrieve.
* @return object|false Comment if found. False on failure.
* @return WP_Comment|false Comment if found. False on failure.
*/
function get_comment_to_edit( $id ) {
if ( !$comment = get_comment($id) )