From 96e20e4afed5e86f1d1bbc180ee77e8334c4a887 Mon Sep 17 00:00:00 2001
From: Dave Longley <dlongley@digitalbazaar.com>
Date: Tue, 6 Aug 2013 13:46:56 -0400
Subject: [PATCH] Do not add subject-references at top-level.

---
 jsonld.php | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/jsonld.php b/jsonld.php
index 6461aff..ecb3d02 100644
--- a/jsonld.php
+++ b/jsonld.php
@@ -2770,11 +2770,17 @@ class JsonLdProcessor {
         foreach($subjects_ as $subject_) {
           $node_ = $graph_object->{$subject_};
           unset($node_->listHeadFor);
-          $node->{'@graph'}[] = $node_;
+          // only add full subjects to top-level
+          if(!self::_isSubjectReference($node_)) {
+            $node->{'@graph'}[] = $node_;
+          }
         }
       }
       unset($node->listHeadFor);
-      $result[] = $node;
+      // only add full subjects to top-level
+      if(!self::_isSubjectReference($node)) {
+        $result[] = $node;
+      }
     }
 
     return $result;