Media: Add filter for post thumbnail id.

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.


Built from https://develop.svn.wordpress.org/trunk@52028


git-svn-id: http://core.svn.wordpress.org/trunk@51620 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
antpb 2021-11-07 20:37:58 +00:00
parent 5df077df8a
commit 78d274099a
2 changed files with 12 additions and 2 deletions

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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 );
}
/**

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@ -16,7 +16,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.9-alpha-52027';
$wp_version = '5.9-alpha-52028';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.