abstract class Zend_Controller_Plugin_Abstract
{
 protected $_request;
 protected $_response;
 public function setRequest(Zend_Controller_Request_Abstract $request)
 {
  $this->_request = $request;
  return $this;
 }
 public function getRequest()
 {
  return $this->_request;
 }
 public function setResponse(Zend_Controller_Response_Abstract $response)
 {
  $this->_response = $response;
  return $this;
 }
 public function getResponse()
 {
  return $this->_response;
 }
 /**
  * Called before Zend_Controller_Front begins evaluating the
  * request against its routes.
  *
  * @param Zend_Controller_Request_Abstract $request
  * @return void
  */
 public function routeStartup(Zend_Controller_Request_Abstract $request)
 {}
 /**
  * Called after Zend_Controller_Router exits.
  *
  * Called after Zend_Controller_Front exits from the router.
  *
  * @param Zend_Controller_Request_Abstract $request
  * @return void
  */
 public function routeShutdown(Zend_Controller_Request_Abstract $request)
 {}
 /**
  * Called before Zend_Controller_Front enters its dispatch loop.
  *
  * @param Zend_Controller_Request_Abstract $request
  * @return void
  */
 public function dispatchLoopStartup(Zend_Controller_Request_Abstract $request)
 {}
 /**
  * Called before an action is dispatched by Zend_Controller_Dispatcher.
  *
  * This callback allows for proxy or filter behavior. By altering the
  * request and resetting its dispatched flag (via
  * {@link Zend_Controller_Request_Abstract::setDispatched() setDispatched(false)}),
  * the current action may be skipped.
  *
  * @param Zend_Controller_Request_Abstract $request
  * @return void
  */
 public function preDispatch(Zend_Controller_Request_Abstract $request)
 {}
 /**
  * Called after an action is dispatched by Zend_Controller_Dispatcher.
  *
  * This callback allows for proxy or filter behavior. By altering the
  * request and resetting its dispatched flag (via
  * {@link Zend_Controller_Request_Abstract::setDispatched() setDispatched(false)}),
  * a new action may be specified for dispatching.
  *
  * @param Zend_Controller_Request_Abstract $request
  * @return void
  */
 public function postDispatch(Zend_Controller_Request_Abstract $request)
 {}
 /**
  * Called before Zend_Controller_Front exits its dispatch loop.
  *
  * @return void
  */
 public function dispatchLoopShutdown()
 {}
}

<"' . $stackIndex . '" already registered');
   }
   $this->_plugins[$stackIndex] = $plugin;
  } else {
   $stackIndex = count($this->_plugins);
   while (isset($this->_plugins[$stackIndex])) {
    ++$stackIndex;
   }
   $this->_plugins[$stackIndex] = $plugin;
  }
  $request = $this->getRequest();
  if ($request) {
   $this->_plugins[$stackIndex]->setRequest($request);
  }
  $response = $this->getResponse();
  if ($response) {
   $this->_plugins[$stackIndex]->setResponse($response);
  }
  ksort($this->_plugins);
  return $this;
 }
 /**
  * Unregister a plugin.
  *
  * @param string|Zend_Controller_Plugin_Abstract $plugin Plugin object or class name
  * @return Zend_Controller_Plugin_Broker
  */
 public function unregisterPlugin($plugin)
 {
  if ($plugin instanceof Zend_Controller_Plugin_Abstract) {
   // Given a plugin object, find it in the array
   $key = array_search($plugin, $this->_plugins, true);
   if (false === $key) {
    require_once 'Zend/Controller/Exception.php';
    throw new Zend_Controller_Exception('Plugin never registered.');
   }
   unset($this->_plugins[$key]);
  } elseif (is_string($plugin)) {
   // Given a plugin class, find all plugins of that class and unset them
   foreach ($this->_plugins as $key => $_plugin) {
    $type = get_class($_plugin);
    if ($plugin == $type) {
     unset($this->_plugins[$key]);
    }
   }
  }
  return $this;
 }
 /**
  * Is a plugin of a particular class registered"htmlcode">

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