[WordPress] Order Page and Hierarchical Custom Post Types list by date

WP_order_hierarchical_list_by_date.php

<?php

// Change all pages and hierarchical custom post types to date order
function custom_page_order( $wp_query ) {
	global $pagenow;
  	if (is_admin() && 'edit.php' == $pagenow && !isset($_GET['orderby'])) {
    	$wp_query->set( 'orderby', 'date' );
    	$wp_query->set( 'order', 'DSC' );
  	}
}
add_filter('pre_get_posts', 'custom_page_order' );

?>