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PHP code example of websupply / event-dispatcher

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

websupply / event-dispatcher example snippets


use Psr\EventDispatcher\EventDispatcherInterface;

public function __construct(
    protected readonly EventDispathcerInterface $eventDispathcer
) {}

public function method(string $argument): void
{
    // what ever business logic goes before the dispatching
    $this->eventDispatcher->dispatch(new ProductWasCreated($argument));
}


namespace Project;

use ValueObject;

final class ProductWasCreated
{
    public function __construct(
        public readonly ValueObject\ProductId $id,
        public readonly ValueObject\ProductName $name
    ) {}
}


use WebSupply\EventDispatcher\Annotations\EventListener;
use ProductWasCreated;
use Psr\Log\LoggerInterface;

#[EventListener]
final class ProductWasCreatedListener
{

    public function __construct(protected readonly LoggerInterface $logger)
    {}
    public function __invoke(ProductWasCreated $event)
    {
        $this->logger->info('Product was created', ['id' => (string) $event->id]);
    }
}