diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Config/Writer/Json.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Config/Writer/Json.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,106 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Config
+ * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Json.php 23294 2010-11-05 00:27:34Z ramon $
+ */
+
+/**
+ * @see Zend_Config_Writer
+ */
+require_once 'Zend/Config/Writer/FileAbstract.php';
+
+/**
+ * @see Zend_Config_Json
+ */
+require_once 'Zend/Config/Json.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Config
+ * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Config_Writer_Json extends Zend_Config_Writer_FileAbstract
+{
+    /**
+     * If we need to pretty-print JSON data
+     *
+     * @var boolean
+     */
+    protected $_prettyPrint = false;
+
+    /**
+     * Get prettyPrint flag
+     *
+     * @return the prettyPrint flag
+     */
+    public function prettyPrint()
+    {
+        return $this->_prettyPrint;
+    }
+
+    /**
+     * Set prettyPrint flag
+     *
+     * @param  bool $prettyPrint PrettyPrint flag
+     * @return Zend_Config_Writer_Json
+     */
+    public function setPrettyPrint($flag)
+    {
+        $this->_prettyPrint = (bool) $flag;
+        return $this;
+    }
+
+    /**
+     * Render a Zend_Config into a JSON config string.
+     *
+     * @since 1.10
+     * @return string
+     */
+    public function render()
+    {
+        $data        = $this->_config->toArray();
+        $sectionName = $this->_config->getSectionName();
+        $extends     = $this->_config->getExtends();
+
+        if (is_string($sectionName)) {
+            $data = array($sectionName => $data);
+        }
+
+        foreach ($extends as $section => $parentSection) {
+            $data[$section][Zend_Config_Json::EXTENDS_NAME] = $parentSection;
+        }
+
+        // Ensure that each "extends" section actually exists
+        foreach ($data as $section => $sectionData) {
+            if (is_array($sectionData) && isset($sectionData[Zend_Config_Json::EXTENDS_NAME])) {
+                $sectionExtends = $sectionData[Zend_Config_Json::EXTENDS_NAME];
+                if (!isset($data[$sectionExtends])) {
+                    // Remove "extends" declaration if section does not exist
+                    unset($data[$section][Zend_Config_Json::EXTENDS_NAME]);
+                }
+            }
+        }
+
+        $out = Zend_Json::encode($data);
+        if ($this->prettyPrint()) {
+             $out = Zend_Json::prettyPrint($out);
+        }
+        return $out;
+    }
+}