interface/modules/zend_modules/library/Zend/Mvc/ResponseSender/AbstractResponseSender.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Mvc\ResponseSender;
  11
  12 use Zend\Http\Header\MultipleHeaderInterface;
  13
  14 abstract class AbstractResponseSender implements ResponseSenderInterface
  15 {
  16     /**
  17      * Send HTTP headers
  18      *
  19      * @param  SendResponseEvent $event
  20      * @return PhpEnvironmentResponseSender
  21      */
  22     public function sendHeaders(SendResponseEvent $event)
  23     {
  24         if (headers_sent() || $event->headersSent()) {
  25             return $this;
  26         }
  27
  28         $response = $event->getResponse();
  29
  30         foreach ($response->getHeaders() as $header) {
  31             if ($header instanceof MultipleHeaderInterface) {
  32                 header($header->toString(), false);
  33                 continue;
  34             }
  35             header($header->toString());
  36         }
  37
  38         $status = $response->renderStatusLine();
  39         header($status);
  40
  41         $event->setHeadersSent();
  42         return $this;
  43     }
  44 }