PHP code example of krak / event-emitter

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

krak / event-emitter example snippets




$emitter = Krak\EventEmitter\emitter(); // creates the default emitter instance
$emitter->on('event', function($arg) {
    echo "Hello $arg\n";
});
$emitter->emit('event', "World");




interface EventEmitter {
    public function on($event, $listener);
    public function once($event, $listener);
    public function removeListener($event, $listener);
    public function removeAllListeners($event = null);
    public function listeners($event);
    public function emit($event, ...$arguments);
}




use Krak\EventEmitter\EventListener;

class AcmeListener implements EventListener
{
    public function handle($param) {

    }
}




$emitter->on('event', new AcmeListener());




use Krak\EventEmitter;

// this creates an emitter that will support container services as listeners
$invoke = new Krak\Invoke\ContainerInvoke(EventEmitter\emitterInvoke(), $container);
$emitter = Krak\EventEmitter\emitter($invoke);
$emitter->on('event', 'service_id');
$emitter->emit('event', 1);