PHP code example of hackpack / hacktions

    
        
<?php
require_once('vendor/autoload.php');

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

    

hackpack / hacktions example snippets

class MyEmitter
{
   use EventEmitter;
}

$emitter = new MyEmitter();

//listeners all use variable argument signatures
$lambda = (...) ==> print(func_get_args()[0]); 
$emitter->on('myevent', $lambda);

//trigger fires all registered events with the given name - can take variable arguments
$emitter->trigger('myevent', 'brian');

$emitter->off('myevent', $lambda); //remove a single listener
$emitter->removeListeners(); //remove all listeners
$emitter->removeListeners('myevent') //remove all 'myevent' events

class Cook
{
    //Cook notifies Waiter objects
    use Subject<Waiter>;

    protected Vector<Burger> $cookedBurgers = {};

    public function cook(Burger $burger): void
    {
        $this->cookedBurgers->add($burger);
        $this->notifyObservers();
    }

    //implement methods to work on cooked items...
}

class Waiter implements Observer<Cook>
{
    //Waiter observes a cook
    public function update(Cook $cook, ...): void
    {
        $burger = $cook->orderUp();
        //deliver burger...
    }
}