$fields = array(
'order_id',
'order_status',
'order_discount_code',
'order_shipping_price',
'order_discount_price',
'order_payment_method',
'order_shipping_method',
'order_full_price',
'order_shipping_tax',
'order_payment_tax',
'order_discount_tax',
'order_number',
'delivery_instructions',
'other_comments',
'name',
'user_email',
'shipping_address_title',
'shipping_address_firstname',
'shipping_address_lastname',
'shipping_address_company',
'shipping_address_street',
'shipping_address_post_code',
'shipping_address_city',
'shipping_address_telephone',
'shipping_address_state',
'shipping_address_country',
'shipping_address_vat',
'billing_address_title',
'billing_address_firstname',
'billing_address_lastname',
'billing_address_company',
'billing_address_street',
'billing_address_post_code',
'billing_address_city',
'billing_address_telephone',
'billing_address_state',
'billing_address_country',
'billing_address_vat',
'order_full_tax',
'item_order_product_quantity',
'item_order_product_name',
'item_order_product_code',
'item_order_product_price',
'item_order_product_tax',
'item_order_product_options'
);