I find it:
add_action( 'admin_init', 'posts_order' );
function posts_order()
{
add_post_type_support( 'post', 'page-attributes' );
}
I find it:
add_action( 'admin_init', 'posts_order' );
function posts_order()
{
add_post_type_support( 'post', 'page-attributes' );
}