From 1f871298705b9ce4e7c4d9a088efb97d5ba589de Mon Sep 17 00:00:00 2001
From: Jay <jaypatel512@gmail.com>
Date: Mon, 16 Jan 2017 16:41:54 -0600
Subject: [PATCH 1/2] Don't iterate if object is null

- Fixes #766.
---
 lib/PayPal/Common/PayPalResourceModel.php | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/PayPal/Common/PayPalResourceModel.php b/lib/PayPal/Common/PayPalResourceModel.php
index 927a379..6b40e8f 100644
--- a/lib/PayPal/Common/PayPalResourceModel.php
+++ b/lib/PayPal/Common/PayPalResourceModel.php
@@ -41,9 +41,11 @@ class PayPalResourceModel extends PayPalModel implements IResource
 
     public function getLink($rel)
     {
-        foreach ($this->links as $link) {
-            if ($link->getRel() == $rel) {
-                return $link->getHref();
+        if ($this->links) {
+            foreach ($this->links as $link) {
+                if ($link->getRel() == $rel) {
+                    return $link->getHref();
+                }
             }
         }
         return null;

From fbb764f57c984a834ee04dffb4dff7dfc3f6adb3 Mon Sep 17 00:00:00 2001
From: jaypatel512 and sdcoffey <japatel@paypal.com and sdcoffey@umich.edu>
Date: Wed, 18 Jan 2017 13:17:08 -0600
Subject: [PATCH 2/2] Check if links is an array

---
 lib/PayPal/Common/PayPalResourceModel.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PayPal/Common/PayPalResourceModel.php b/lib/PayPal/Common/PayPalResourceModel.php
index 6b40e8f..d1ba0f8 100644
--- a/lib/PayPal/Common/PayPalResourceModel.php
+++ b/lib/PayPal/Common/PayPalResourceModel.php
@@ -41,7 +41,7 @@ class PayPalResourceModel extends PayPalModel implements IResource
 
     public function getLink($rel)
     {
-        if ($this->links) {
+        if (is_array($this->links)) {
             foreach ($this->links as $link) {
                 if ($link->getRel() == $rel) {
                     return $link->getHref();