How to reorder meta box position in WordPress

How to reorder meta box position in WordPress. In the following example, replace CPT with the post type name, like post, page, book, event, imaginary, foobar…

add_filter( 'get_user_option_meta-box-order_CPT', 'metabox_order' );
function metabox_order( $order ) {
    return array(
        'normal' => join( 
            ",", 
            array(       // vvv  Arrange here as you desire
                'customdiv-{CPT}',
                'authordiv',
                'slugdiv',
            )
        ),
    );
}