diff -r 000000000000 -r 4eba9c11703f web/Zend/Config/Writer/Xml.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Config/Writer/Xml.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,127 @@
+<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Xml.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * @see Zend_Config_Writer
+ */
+require_once 'Zend/Config/Writer/FileAbstract.php';
+
+/**
+ * @see Zend_Config_Xml
+ */
+require_once 'Zend/Config/Xml.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Config
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Config_Writer_Xml extends Zend_Config_Writer_FileAbstract
+{
+    /**
+     * Render a Zend_Config into a XML config string.
+     *
+     * @since 1.10
+     * @return string
+     */
+    public function render()
+    {
+        $xml         = new SimpleXMLElement('<zend-config xmlns:zf="' . Zend_Config_Xml::XML_NAMESPACE . '"/>');
+        $extends     = $this->_config->getExtends();
+        $sectionName = $this->_config->getSectionName();
+
+        if (is_string($sectionName)) {
+            $child = $xml->addChild($sectionName);
+
+            $this->_addBranch($this->_config, $child, $xml);
+        } else {
+            foreach ($this->_config as $sectionName => $data) {
+                if (!($data instanceof Zend_Config)) {
+                    $xml->addChild($sectionName, (string) $data);
+                } else {
+                    $child = $xml->addChild($sectionName);
+
+                    if (isset($extends[$sectionName])) {
+                        $child->addAttribute('zf:extends', $extends[$sectionName], Zend_Config_Xml::XML_NAMESPACE);
+                    }
+
+                    $this->_addBranch($data, $child, $xml);
+                }
+            }
+        }
+
+        $dom = dom_import_simplexml($xml)->ownerDocument;
+        $dom->formatOutput = true;
+
+        $xmlString = $dom->saveXML();
+
+        return $xmlString;
+    }
+
+    /**
+     * Add a branch to an XML object recursively
+     *
+     * @param  Zend_Config      $config
+     * @param  SimpleXMLElement $xml
+     * @param  SimpleXMLElement $parent
+     * @return void
+     */
+    protected function _addBranch(Zend_Config $config, SimpleXMLElement $xml, SimpleXMLElement $parent)
+    {
+        $branchType = null;
+
+        foreach ($config as $key => $value) {
+            if ($branchType === null) {
+                if (is_numeric($key)) {
+                    $branchType = 'numeric';
+                    $branchName = $xml->getName();
+                    $xml        = $parent;
+
+                    unset($parent->{$branchName});
+                } else {
+                    $branchType = 'string';
+                }
+            } else if ($branchType !== (is_numeric($key) ? 'numeric' : 'string')) {
+                require_once 'Zend/Config/Exception.php';
+                throw new Zend_Config_Exception('Mixing of string and numeric keys is not allowed');
+            }
+
+            if ($branchType === 'numeric') {
+                if ($value instanceof Zend_Config) {
+                    $child = $parent->addChild($branchName);
+
+                    $this->_addBranch($value, $child, $parent);
+                } else {
+                    $parent->addChild($branchName, (string) $value);
+                }
+            } else {
+                if ($value instanceof Zend_Config) {
+                    $child = $xml->addChild($key);
+
+                    $this->_addBranch($value, $child, $xml);
+                } else {
+                    $xml->addChild($key, (string) $value);
+                }
+            }
+        }
+    }
+}