1. Go to this page and download the library: Download mikemix/eventdispatcher 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/ */
namespace Application\Listener;
use EventDispatcher\Listener\ListenerInterface;
class DispatchListener implements ListenerInterface
{
public function onEvent(EventInterface $event)
{
printf('Well hello, a %s event was called', $event->getName());
}
}