From 4119e70b3cd24905815aa8a32ae015573c7ec634 Mon Sep 17 00:00:00 2001
From: Chris Harvey <chris@chrisnharvey.com>
Date: Mon, 13 Oct 2014 09:32:40 +0100
Subject: [PATCH] Setting values to an optional argument

---
 includes/class-wc-coupon.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/class-wc-coupon.php b/includes/class-wc-coupon.php
index c603b9bf081..cbf02fa543d 100644
--- a/includes/class-wc-coupon.php
+++ b/includes/class-wc-coupon.php
@@ -474,7 +474,7 @@ class WC_Coupon {
 	 * @param  WC_Product  $product
 	 * @return boolean
 	 */
-	public function is_valid_for_product( $product, $values ) {
+	public function is_valid_for_product( $product, $values = array() ) {
 		if ( $this->type != 'fixed_product' && $this->type != 'percent_product' )
 			return apply_filters( 'woocommerce_coupon_is_valid_for_product', false, $product, $this, $values );