woocommerce/shortcodes/shortcode-thankyou.php

<?php
/**
 * Thankyou Shortcode
 * 
 * The thankyou page displays after successful checkout and can be hooked into by payment gateways.
 *
 * @package		WooCommerce
 * @category	Shortcode
 * @author		WooThemes
 */
 
function get_woocommerce_thankyou( $atts ) {
	return woocommerce::shortcode_wrapper('woocommerce_thankyou', $atts); 
}

/**
 * Outputs the thankyou page
 **/
function woocommerce_thankyou() {
	
	_e('<p>Thank you. Your order has been processed successfully.</p>', 'woothemes');	

	// Pay for order after checkout step
	if (isset($_GET['order'])) $order_id = $_GET['order']; else $order_id = 0;
	if (isset($_GET['key'])) $order_key = $_GET['key']; else $order_key = '';
	
	// Empty awaiting payment session
	unset($_SESSION['order_awaiting_payment']);
	
	if ($order_id > 0) :
	
		$order = &new woocommerce_order( $order_id );
		
		if ($order->order_key == $order_key) :
	
			?>
			<ul class="order_details">
				<li class="order">
					<?php _e('Order:', 'woothemes'); ?>
					<strong># <?php echo $order->id; ?></strong>
				</li>
				<li class="date">
					<?php _e('Date:', 'woothemes'); ?>
					<strong><?php echo date(get_option('date_format'), strtotime($order->order_date)); ?></strong>
				</li>
				<li class="total">
					<?php _e('Total:', 'woothemes'); ?>
					<strong><?php echo woocommerce_price($order->order_total); ?></strong>
				</li>
				<li class="method">
					<?php _e('Payment method:', 'woothemes'); ?>
					<strong><?php 
						$gateways = woocommerce_payment_gateways::payment_gateways();
						if (isset($gateways[$order->payment_method])) echo $gateways[$order->payment_method]->title;
						else echo $order->payment_method; 
					?></strong>
				</li>
			</ul>
			<div class="clear"></div>
			<?php
			
			do_action( 'thankyou_' . $order->payment_method, $order_id );
			
		endif;
		
	endif;
	
}