PHP code example of dakwamine / component-based-object-event-dispatcher

1. Go to this page and download the library: Download dakwamine/component-based-object-event-dispatcher library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

dakwamine / component-based-object-event-dispatcher example snippets




use Dakwamine\Component\Event\EventDispatcher;
use Dakwamine\Component\Event\EventInterface;
use Dakwamine\Component\Event\EventListenerInterface;
use Dakwamine\Component\Event\ListenerProvider;

class SomeEvent implements EventInterface
{
  public const EVENT_NAME = 'Any string';

  public function getName(): string
  {
    return static::EVENT_NAME;
  }
}

class SomeEventListener implements EventListenerInterface
{
  public function handleEvent(EventInterface $event): void
  {
    // Do stuff related to $event, like dispatching to other methods.
    if ($event->getName() === SomeEvent::EVENT_NAME) {
      // ...
    }
  }
}

// This object holds the lists of class names per event.
$listenerProvider = new ListenerProvider();

// Register the listener. Optionally set the priority.
$listenerProvider->addListener(SomeEvent::EVENT_NAME, SomeEventListener::class, 42);

// Dispatch the event. Listeners will be instantiated or retrieved by the listener provider.
$eventDispatcher = new EventDispatcher($listenerProvider);
$eventDispatcher->dispatch(new SomeEvent());