Page Orderby Manage Screen Column

gistfile1.phtml

$columns['menu_order'] = __( 'Order' );


		case 'menu_order':
			$order = $post->menu_order;

			$ancestors = array_reverse( get_post_ancestors( $post->ID ) );

			$value = get_post_meta( $post->ID, '_myplugin_include_in_menu', true );

			if ( $value == 0 ) {
				echo __( '—' );
			}
			elseif ( isset( $ancestors[0] ) ) {
			
				if ( isset( $ancestors[2] ) ) {
					echo '— — — ' . $order;
				}
				elseif ( isset( $ancestors[1] ) ) {
					echo '— — ' . $order;
				}
				else {
					echo '— ' . $order;
				}
	
			} else {
				echo $order;
			}

		break;