From 2ff57e973e371a4768b62bf34c428f64f89d6571 Mon Sep 17 00:00:00 2001
From: Dave Longley <dlongley@digitalbazaar.com>
Date: Wed, 15 Aug 2012 15:39:55 -0400
Subject: [PATCH] Fix typo.

---
 jsonld.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/jsonld.php b/jsonld.php
index 8cf3019..19bc3d5 100644
--- a/jsonld.php
+++ b/jsonld.php
@@ -743,7 +743,8 @@ class JsonLdProcessor {
    * @return array all of the values for a subject's property as an array.
    */
   public static function getValues($subject, $property) {
-    $rval = $subject->{$property} ?: array();
+    $rval = (property_exists($subject, $property) ?
+      $subject->{$property} : array());
     return self::arrayify($rval);
   }