Lo mismo que el post anterior

add_filter( 'get_post_metadata', function( $value, $object_id, $meta_key, $single ) { if ( '_thumbnail_id' === $meta_key ) { $has_thumbnail = has_post_thumbnail( $object_id ); if ( ! $has_thumbnail ) { $default_image_id = get_option( 'default_featured_image' ); if ( $default_image_id ) { return $single ? $default_image_id : array( $default_image_id ); } } } return $value; }, 10, 4 );