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Media: Add filter for post thumbnail id.

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Introduces new filter `post_thumbnail_id` which allows overriding the default id returned from `get_post_thumbnail_id()`.

Props engelen, alexvorn2, gilbitron, sebastianpisula, SergeyBiryukov, leogermani, rzen, joemcgill, audrasjb.
Fixes #23983.



git-svn-id: https://develop.svn.wordpress.org/trunk@52028 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Anthony Burchell
2021-11-07 20:36:11 +00:00
parent ff0425a81f
commit cdb15e353a
1 changed files with 11 additions and 1 deletions
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12
src/wp-includes/post-thumbnail-template.php
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@@ -57,7 +57,17 @@ function get_post_thumbnail_id( $post = null ) {
return false;
}
return (int) get_post_meta( $post->ID, '_thumbnail_id', true );
$thumbnail_id = (int) get_post_meta( $post->ID, '_thumbnail_id', true );
/**
* Filters post thumbnail ID.
*
* @since 5.9.0
*
* @param int|false $thumbnail_id Post thumbnail ID or false if the post does not exist.
* @param int|WP_Post|null $post Post ID or WP_Post object. Default is global `$post`.
*/
return (int) apply_filters( 'post_thumbnail_id', $thumbnail_id, $post );
}
/**