PHP code example of circli / event-dispatcher

1. Go to this page and download the library: Download circli/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/ */

circli / event-dispatcher example snippets


use Circli\EventDispatcher\EventDispatcher;
use Circli\EventDispatcher\ListenerProvider\DefaultProvider;

$provider = new DefaultProvider();
$dispatcher = new EventDispatcher($provider);

$provider->listen(Event::class, function(Event $e) {
    // do stuff
});

$dispatcher->dispatch(new Event());


use Circli\EventDispatcher\ListenerProvider\DefaultProvider;
$provider = new DefaultProvider();
$provider->listen(Event::class, $listener);


use Circli\EventDispatcher\ListenerProvider\PriorityProvider;
$provider = new PriorityProvider();

//Add listener with lower than default priority
$provider->listen(Event::class, $listener, 900);

//Add listener with higher than default priority
$provider->listen(Event::class, $listener, 1100);

//Add listener with normal priority
$provider->listen(Event::class, $listener);


use Circli\EventDispatcher\ListenerProvider\ContainerListenerProvider;
$container = new SomePsr11Container();

$provider = new ContainerListenerProvider($container);
$provider->addService(Event::class, EventListener::class);


use Circli\EventDispatcher\ListenerProvider\PriorityAggregateProvider;
use Circli\EventDispatcher\ListenerProvider\DefaultProvider;

$aggregateProvider = new PriorityAggregateProvider();
$aggregateProvider->addProvider(new DefaultProvider());

// Add with higher than default priority
$aggregateProvider->addProviderWithPriority(new DefaultProvider(), 1500);

// Add with lower than default priority
$aggregateProvider->addProviderWithPriority(new DefaultProvider(), 500);



use Circli\EventDispatcher\ListenerProvider\FilterableProvider;

$provider = new FilterableProvider();

$provider->listen(RandomEvent::class, $listener, function ($event) {
    return ifRandomExternalThingIsTrue();
});