'; $image = sprintf( $image_template, esc_attr( get_the_post_thumbnail_caption() ), esc_url( $current_featured_image ), esc_attr( $object_position ), esc_attr( $object_position ) ); $content = str_replace( '' . $image . ' 'render_block_core_cover', ) ); } add_action( 'init', 'register_block_core_cover' );