diff -r 5e7a0fedabdf -r 877f952ae2bd web/lib/Zend/Amf/Parse/Amf0/Serializer.php
--- a/web/lib/Zend/Amf/Parse/Amf0/Serializer.php	Thu Mar 21 17:31:31 2013 +0100
+++ b/web/lib/Zend/Amf/Parse/Amf0/Serializer.php	Thu Mar 21 19:50:53 2013 +0100
@@ -15,9 +15,9 @@
  * @category   Zend
  * @package    Zend_Amf
  * @subpackage Parse_Amf0
- * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
- * @version    $Id: Serializer.php 21968 2010-04-22 03:53:34Z matthew $
+ * @version    $Id: Serializer.php 25179 2012-12-22 21:29:30Z rob $
  */
 
 /** Zend_Amf_Constants */
@@ -32,7 +32,7 @@
  * @uses       Zend_Amf_Parse_Serializer
  * @package    Zend_Amf
  * @subpackage Parse_Amf0
- * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Amf_Parse_Amf0_Serializer extends Zend_Amf_Parse_Serializer
@@ -63,8 +63,8 @@
      */
     public function writeTypeMarker(&$data, $markerType = null, $dataByVal = false)
     {
-        // Workaround for PHP5 with E_STRICT enabled complaining about "Only 
-        // variables should be passed by reference" 
+        // Workaround for PHP5 with E_STRICT enabled complaining about "Only
+        // variables should be passed by reference"
         if ((null === $data) && ($dataByVal !== false)) {
             $data = &$dataByVal;
         }
@@ -127,7 +127,7 @@
                 case (is_bool($data)):
                     $markerType = Zend_Amf_Constants::AMF0_BOOLEAN;
                     break;
-                case (is_string($data) && (strlen($data) > 65536)):
+                case (is_string($data) && (($this->_mbStringFunctionsOverloaded ? mb_strlen($data, '8bit') : strlen($data)) > 65536)):
                     $markerType = Zend_Amf_Constants::AMF0_LONGSTRING;
                     break;
                 case (is_string($data)):
@@ -187,23 +187,23 @@
      * Check if the given object is in the reference table, write the reference if it exists,
      * otherwise add the object to the reference table
      *
-     * @param mixed $object object reference to check for reference
-     * @param $markerType AMF type of the object to write
-     * @param mixed $objectByVal object to check for reference
+     * @param mixed  $object object reference to check for reference
+     * @param string $markerType AMF type of the object to write
+     * @param mixed  $objectByVal object to check for reference
      * @return Boolean true, if the reference was written, false otherwise
      */
-    protected function writeObjectReference(&$object, $markerType, $objectByVal = false) 
+    protected function writeObjectReference(&$object, $markerType, $objectByVal = false)
     {
-        // Workaround for PHP5 with E_STRICT enabled complaining about "Only 
+        // Workaround for PHP5 with E_STRICT enabled complaining about "Only
         // variables should be passed by reference"
         if ((null === $object) && ($objectByVal !== false)) {
             $object = &$objectByVal;
         }
 
-        if ($markerType == Zend_Amf_Constants::AMF0_OBJECT 
-            || $markerType == Zend_Amf_Constants::AMF0_MIXEDARRAY 
-            || $markerType == Zend_Amf_Constants::AMF0_ARRAY 
-            || $markerType == Zend_Amf_Constants::AMF0_TYPEDOBJECT 
+        if ($markerType == Zend_Amf_Constants::AMF0_OBJECT
+            || $markerType == Zend_Amf_Constants::AMF0_MIXEDARRAY
+            || $markerType == Zend_Amf_Constants::AMF0_ARRAY
+            || $markerType == Zend_Amf_Constants::AMF0_TYPEDOBJECT
         ) {
             $ref = array_search($object, $this->_referenceObjects, true);
             //handle object reference