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 <?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @version    $Id$
  * @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) 2005-2015 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.
      * If $encodeJson is false, does not JSON-encode $data
      *
      * @param  mixed $data
      * @param  bool $keepLayouts
      * NOTE:   if boolean, establish $keepLayouts to true|false
      *         if array, admit params for Zend_Json::encode as enableJsonExprFinder=>true|false
      *         this array can contains a 'keepLayout'=>true|false and/or 'encodeData'=>true|false
      *         that will not be passed to Zend_Json::encode method but will be used here
      * @param  bool $encodeData
      * @return string|void
      */
     public function json($data, $keepLayouts = false, $encodeData = true)
     {
         $options = array();
         if (is_array($keepLayouts)) {
             $options = $keepLayouts;
 
             $keepLayouts = false;
             if (array_key_exists('keepLayouts', $options)) {
                 $keepLayouts = $options['keepLayouts'];
                 unset($options['keepLayouts']);
             }
 
             if (array_key_exists('encodeData', $options)) {
                 $encodeData = $options['encodeData'];
                 unset($options['encodeData']);
             }
         }
 
         if ($encodeData) {
             $data = Zend_Json::encode($data, null, $options);
         }
         if (!$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', true);
         return $data;
     }
 }