<?php
require('wp-blog-header.php');
require_once("wp-config.php");
require_once("wp-includes/wp-db.php");

global $woocommerce;

$args = array(
    'post_type'     => 'shop_order',
    'post_status'     => 'any',
    'posts_per_page' => -1,
    'tax_query' => array(
      array(
        'taxonomy' => 'shop_order_status',
        'field' => 'slug',
        'terms' => array('complete')
        )
      )
    );

$loop = new WP_Query( $args );

while ( $loop->have_posts() ) : $loop->the_post();
  $order_id = $loop->post->ID;
  $order = new WC_Order($order_id);
  list( $name, $undef ) = explode("<br/>", $order->get_billing_address());
  list( $firstname, $lastname ) = explode(" ", $name);
  $billing_email = $order->billing_email;
  $order_total = $order->order_total;
  $cart_discount = $order->cart_discount;
  $user = get_user_by('id', $order->user_id);
  $customer_email = $user->user_email;
  $user_id = get_user_id($firstname, $lastname, $billing_email, $customer_email);

  print "$firstname $lastname";
endwhile;