apply_filters ( ‘has_post_thumbnail’, bool $has_thumbnail , int|WP_Post|null $post , int|false $thumbnail_id )

Filters whether a post has a post thumbnail.

Parameters

$has_thumbnail bool: true if the post has a post thumbnail, otherwise false.
$post int | WP_Post | null: Post ID or WP_Post object. Default is global $post .
$thumbnail_id int | false: Post thumbnail ID or false if the post does not exist.

return (bool) apply_filters( 'has_post_thumbnail', $has_thumbnail, $post, $thumbnail_id );

Used by	Description
has_post_thumbnail() `wp-includes/post-thumbnail-template.php`	Determines whether a post has an imague attached.

Versionen	Description
5.1.0	Introduced.

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