WooCommerce 3.0 Compatibility

updates.php

<?php 

# WooCommerce 2.6 -> 3.0 "Compatibility" Variables 

$order_id 	= ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->id : $order->get_id();  	
$order_date = ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->order_date : $order->get_date_created();  


$billing_first_name = ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->billing_first_name : $order->get_billing_first_name(); 
$billing_last_name 	= ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->billing_last_name : $order->get_billing_last_name(); 
$billing_email 		= ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->billing_email : $order->get_billing_email(); 
$billing_phone 		= ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->billing_phone : $order->get_billing_phone(); 
$billing_address_1  = ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->billing_address_1 : $order->get_billing_address_1(); 
$billing_address_2  = ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->billing_address_2 : $order->get_billing_address_2(); 
$billing_state		= ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->billing_state : $order->get_billing_state() ; 
$billing_city		= ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->billing_city : $order->get_billing_city();
$billing_postcode	= ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->billing_postcode : $order->get_billing_postcode();	
$billing_country	= ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->billing_country : $order->get_billing_country();	


$shipping_first_name = ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->billing_first_name 	: $order->get_shipping_first_name(); 
$shipping_last_name  = ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->billing_last_name 	: $order->get_shipping_last_name(); 
$shipping_address_1  = ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->shipping_address_1 	: $order->get_shipping_address_1();
$shipping_city 		 = ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->shipping_city 		: $order->get_shipping_city();
$shipping_country 	 = ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->shipping_country 	: $order->get_shipping_country();
$shipping_state 	 = ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->shipping_state 		: $order->get_shipping_state();
$shipping_postcode 	 = ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->shipping_postcode    : $order->get_shipping_postcode(); 
$billing_email 		 = ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->billing_email 		: $order->get_billing_email(); 
$customer_note 		 = ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->customer_note 		: $order->get_customer_note(); 


$order_date 		= ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->order_date : $order->get_date_created();  
$orer_total 		= ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $order->get_order_total() : $order->get_total(); 
$product_type 		= ( version_compare( WC_VERSION, '2.7', '<' ) ) ? $product->product_type : $product->get_type(); 

?>