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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_Controller
  * @subpackage Zend_Controller_Action_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
  * @version    $Id$
  */
 
 /**
  * @see Zend_Controller_Action_Helper_Abstract
  */
 // require_once 'Zend/Controller/Action/Helper/Abstract.php';
 
 /**
  * Simplify AJAX context switching based on requested format
  *
  * @uses       Zend_Controller_Action_Helper_Abstract
  * @category   Zend
  * @package    Zend_Controller
  * @subpackage Zend_Controller_Action_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_Controller_Action_Helper_Json extends Zend_Controller_Action_Helper_Abstract
 {
     /**
      * Suppress exit when sendJson() called
      * @var boolean
      */
     public $suppressExit = false;
 
     /**
      * Create JSON response
      *
      * Encodes and returns data to JSON. Content-Type header set to
      * 'application/json', and disables layouts and viewRenderer (if being
      * used).
      *
      * @param  mixed   $data
      * @param  boolean $keepLayouts
      * @param  boolean|array $keepLayouts
      * @param  boolean $encodeData Provided data is already JSON
      * NOTE:   if boolean, establish $keepLayouts to true|false
      *         if array, admit params for Zend_Json::encode as enableJsonExprFinder=>true|false
      *         if $keepLayouts and parmas for Zend_Json::encode are required
      *         then, the array can contains a 'keepLayout'=>true|false and/or 'encodeData'=>true|false
      *         that will not be passed to Zend_Json::encode method but will be passed
      *         to Zend_View_Helper_Json
      * @throws Zend_Controller_Action_Helper_Json
      * @return string
      */
     public function encodeJson($data, $keepLayouts = false, $encodeData = true)
     {
         /**
          * @see Zend_View_Helper_Json
          */
         // require_once 'Zend/View/Helper/Json.php';
         $jsonHelper = new Zend_View_Helper_Json();
         $data = $jsonHelper->json($data, $keepLayouts, $encodeData);
 
         if (!$keepLayouts) {
             /**
              * @see Zend_Controller_Action_HelperBroker
              */
             // require_once 'Zend/Controller/Action/HelperBroker.php';
             Zend_Controller_Action_HelperBroker::getStaticHelper('viewRenderer')->setNoRender(true);
         }
 
         return $data;
     }
 
     /**
      * Encode JSON response and immediately send
      *
      * @param  mixed   $data
      * @param  boolean|array $keepLayouts
      * @param  $encodeData Encode $data as JSON?
      * NOTE:   if boolean, establish $keepLayouts to true|false
      *         if array, admit params for Zend_Json::encode as enableJsonExprFinder=>true|false
      *         if $keepLayouts and parmas for Zend_Json::encode are required
      *         then, the array can contains a 'keepLayout'=>true|false and/or 'encodeData'=>true|false
      *         that will not be passed to Zend_Json::encode method but will be passed
      *         to Zend_View_Helper_Json
      * @return string|void
      */
     public function sendJson($data, $keepLayouts = false, $encodeData = true)
     {
         $data = $this->encodeJson($data, $keepLayouts, $encodeData);
         $response = $this->getResponse();
         $response->setBody($data);
 
         if (!$this->suppressExit) {
             $response->sendResponse();
             exit;
         }
 
         return $data;
     }
 
     /**
      * Strategy pattern: call helper as helper broker method
      *
      * Allows encoding JSON. If $sendNow is true, immediately sends JSON
      * response.
      *
      * @param  mixed   $data
      * @param  boolean $sendNow
      * @param  boolean $keepLayouts
      * @param  boolean $encodeData Encode $data as JSON?
      * @return string|void
      */
     public function direct($data, $sendNow = true, $keepLayouts = false, $encodeData = true)
     {
         if ($sendNow) {
             return $this->sendJson($data, $keepLayouts, $encodeData);
         }
         return $this->encodeJson($data, $keepLayouts, $encodeData);
     }
 }