Update WooCommerce Order Address Dynamically When Customer Updates Their Address

update-woo-order-billing-when-user-saves-address.php

<?php

add_action( 'woocommerce_customer_save_address', 'jsforwp_update_address_for_orders', 10, 2 );

function jsforwp_update_address_for_orders( $user_id ) {

    $customer_meta = get_user_meta( $user_id );
    $customer_orders = get_posts( array(
        'numberposts' => -1,
        'meta_key'    => '_customer_user',
        'meta_value'  => $user_id,
        'post_type'   => wc_get_order_types(),
        'post_status' => array_keys( wc_get_order_statuses() )
    ) );

    foreach( $customer_orders as $order ) {

      update_post_meta( $order->ID, '_billing_first_name', $customer_meta['billing_first_name'][0] );
      update_post_meta( $order->ID, '_billing_last_name', $customer_meta['billing_last_name'][0] );
      update_post_meta( $order->ID, '_billing_company', $customer_meta['billing_company'][0] );
      update_post_meta( $order->ID, '_billing_address_1', $customer_meta['billing_address_1'][0] );
      update_post_meta( $order->ID, '_billing_address_2', $customer_meta['billing_address_2'][0] );
      update_post_meta( $order->ID, '_billing_city', $customer_meta['billing_city'][0] );
      update_post_meta( $order->ID, '_billing_state', $customer_meta['billing_state'][0] );
      update_post_meta( $order->ID, '_billing_postcode', $customer_meta['billing_postcode'][0] );
      update_post_meta( $order->ID, '_billing_country', $customer_meta['billing_country'][0] );
      update_post_meta( $order->ID, '_billing_email', $customer_meta['billing_email'][0] );
      update_post_meta( $order->ID, '_billing_phone', $customer_meta['billing_phone'][0] );

    }

};

?>