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