Index: sites/all/modules/token/token.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/token/token.module,v
retrieving revision 1.5.2.10
diff -u -r1.5.2.10 token.module
--- sites/all/modules/token/token.module	16 Nov 2007 22:29:40 -0000	1.5.2.10
+++ sites/all/modules/token/token.module	2 Dec 2007 22:26:57 -0000
@@ -216,6 +216,14 @@
     $tokens = array();
   }
 
+  // Ensure we're working on a copy of the object. Because objects are always
+  // passed by reference in PHP5 and we don't want to be modifying an object
+  // when retreiving tokens, ensure we're working with a copy of the object
+  // rather than an original inadvertently passed by reference.
+  if (isset($object) && is_object($object)) {
+    $object = (object)(array)$object;
+  }
+
   // Simple recursion check. This is to avoid content_view()'s potential
   // for endless looping when a filter uses tokens, which load the content
   // view, which calls the filter, which uses tokens, which...