import v1.0.0-RC4 | 2009-05-20

libs/Zend/View/Helper/Json.php

@@ -0,0 +1,66 @@
+<?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_View
+ * @subpackage Helper
+ * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @version    $Id: Json.php 10664 2008-08-05 10:56:06Z matthew $
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+
+/** Zend_Json */
+require_once 'Zend/Json.php';
+
+/** Zend_Controller_Front */
+require_once 'Zend/Controller/Front.php';
+
+/** Zend_View_Helper_Abstract.php */
+require_once 'Zend/View/Helper/Abstract.php';
+
+/**
+ * Helper for simplifying JSON responses
+ *
+ * @package    Zend_View
+ * @subpackage Helper
+ * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_View_Helper_Json extends Zend_View_Helper_Abstract
+{
+    /**
+     * Encode data as JSON, disable layouts, and set response header
+     *
+     * If $keepLayouts is true, does not disable layouts.
+     * 
+     * @param  mixed $data 
+     * @param  bool $keepLayouts
+     * @return string|void
+     */
+    public function json($data, $keepLayouts = false)
+    {
+        $data = Zend_Json::encode($data);
+        if (!$keepLayouts) {
+            require_once 'Zend/Layout.php';
+            $layout = Zend_Layout::getMvcInstance();
+            if ($layout instanceof Zend_Layout) {
+                $layout->disableLayout();
+            }
+        }
+
+        $response = Zend_Controller_Front::getInstance()->getResponse();
+        $response->setHeader('Content-Type', 'application/json');
+        return $data;
+    }
+}