WordPress: Enabling Page attributes for posts (sort_order)

sort_order.php

/**********************************************************
function.php add below the code
*************************************
function posts_order() 
{
    add_post_type_support( 'post', 'page-attributes' );
}**/
add_action( 'admin_init', 'posts_order' );

/**********************************************************
psot query page add below the code
***************************************/
$order_posts = new WP_Query(array(
    'post_type' => 'post', 
    'post_status' => 'publish', 
    'orderby' => 'menu_order', 
    'order' => 'ASC', 
) );