has_post_thumbnail filter-hook . WP 5.1.0
Filters whether a post has a post thumbnail.
Usage
add_filter( 'has_post_thumbnail', 'filter_function_name_2942', 10, 3 );
function filter_function_name_2942( $has_thumbnail, $post, $thumbnail_id ){
// filter...
return $has_thumbnail;
}
- $has_thumbnail(true/false)
- true if the post has a post thumbnail, otherwise false.
- $post(int/WP_Post/null)
- Post ID or WP_Post object.
Default: global$post - $thumbnail_id(int/string)
- Post thumbnail ID or empty string.
Where the hook is called
has_post_thumbnail
wp-includes/post-thumbnail-template.php 38
return (bool) apply_filters( 'has_post_thumbnail', $has_thumbnail, $post, $thumbnail_id );