PHP code example of berlioz / event-manager

1. Go to this page and download the library: Download berlioz/event-manager 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/ */

berlioz / event-manager example snippets


use Berlioz\EventManager\EventDispatcher;

$dispatcher = new EventDispatcher();


use Berlioz\EventManager\EventDispatcher;

$callback = function($event) {
    // Do something
    return $event;
};

/** @var EventDispatcher $dispatcher */

// A named event
$dispatcher->addEventListener('event.name', $callback);

// Your event object
$dispatcher->addEventListener(MyEvent::class, $callback);


/** @var EventDispatcher $dispatcher */
use Berlioz\EventManager\Event\CustomEvent;
use Berlioz\EventManager\EventDispatcher;

// A named event
$dispatcher->dispatch(new CustomEvent('event.name'));

// Your event object
$dispatcher->dispatch(new MyEvent());


use Berlioz\EventManager\Listener\ListenerInterface;

/** ... */

// Normal priority (0)
$dispatcher->addEventListener('event.name', $callback, ListenerInterface::PRIORITY_NORMAL);
// High priority (100)
$dispatcher->addEventListener('event.name', $callback, ListenerInterface::PRIORITY_HIGH);
// Low priority (-100)
$dispatcher->addEventListener('event.name', $callback, ListenerInterface::PRIORITY_LOW);


use Berlioz\EventManager\EventDispatcher;

$dispatcher = new EventDispatcher();
$dispatcher->addEventDispatcher(new MyCustomDispatcher());


use Berlioz\EventManager\EventDispatcher;

$dispatcher = new EventDispatcher();
$dispatcher->addListenerProvider(new MyListenerProvider());


use Berlioz\EventManager\EventDispatcher;
use Berlioz\EventManager\Provider\ListenerProvider;$myDefaultProvider = new ListenerProvider();

$dispatcher = new EventDispatcher(defaultProvider: $myDefaultProvider);