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notification-class.php
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notification-class.php
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<?PHP
/**
* example that shows how to change the class used for notifications
*
* You may change the notification class per dispatcher or globally for all
* newly created dispatchers.
*
* @package Event_Dispatcher
* @subpackage Examples
* @author Stephan Schmidt <schst@php.net>
*/
/**
* load Event_Dispatcher package
*/
require_once 'Event/Dispatcher.php';
/**
* example sender
*
* @package Event_Dispatcher
* @subpackage Examples
* @author Stephan Schmidt <schst@php.net>
*/
class sender
{
var $_dispatcher = null;
function sender(&$dispatcher)
{
$this->_dispatcher = &$dispatcher;
}
function foo()
{
$this->_dispatcher->post($this, 'onFoo', 'Some Info...');
}
}
function receiver(&$notification)
{
echo 'received notification: ';
echo get_class($notification);
echo '<br />';
}
/**
* custom notification class
*
* @package Event_Dispatcher
* @subpackage Examples
* @author Stephan Schmidt <schst@php.net>
*/
class MyNotification extends Event_Notification
{
}
$dispatcher = &Event_Dispatcher::getInstance();
$dispatcher->setNotificationClass('MyNotification');
$sender = &new sender($dispatcher);
$dispatcher->addObserver('receiver');
echo 'sender->foo()<br />';
$sender->foo();
Event_Dispatcher::setNotificationClass('MyNotification');
$dispatcher2 = &Event_Dispatcher::getInstance();
$sender2 = &new sender($dispatcher2);
$dispatcher2->addObserver('receiver');
echo '<br />sender2->foo()<br />';
$sender2->foo();
?>