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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\View\Helper;
use Zend\Http\Response;
use Zend\Json\Json as JsonFormatter;
/**
* Helper for simplifying JSON responses
*/
class Json extends AbstractHelper
{
/**
* @var Response
*/
protected $response;
/**
* Encode data as JSON and set response header
*
* @param mixed $data
* @param array $jsonOptions Options to pass to JsonFormatter::encode()
* @return string|void
*/
public function __invoke($data, array $jsonOptions = [])
{
$data = JsonFormatter::encode($data, null, $jsonOptions);
if ($this->response instanceof Response) {
$headers = $this->response->getHeaders();
$headers->addHeaderLine('Content-Type', 'application/json');
}
return $data;
}
/**
* Set the response object
*
* @param Response $response
* @return Json
*/
public function setResponse(Response $response)
{
$this->response = $response;
return $this;
}
}