rabbit/app/Console/Commands/Publisher.php

<?php

namespace App\Console\Commands;

use Anik\Amqp\Exchanges;
use GuzzleHttp\Psr7\Header;
use Illuminate\Support\Arr;
use PhpAmqpLib\Wire\AMQPTable;
use Illuminate\Console\Command;
use Anik\Amqp\ProducibleMessage;
use Anik\Laravel\Amqp\Facades\Amqp;
use PhpAmqpLib\Message\AMQPMessage;
use Anik\Amqp\Exchanges\{Fanout, Direct, Topic, Headers, Exchange};

class Publisher extends Command
{
    protected $signature = 'publish
                            {exchange}
                            {--declare=1}
                            {--type=direct}
                            {--bind=key}
                            {--durable=1}

                            {--delivery=1}
                            {--mandatory=1}
                            {--count=1}
                            {--usleep=1}
                        ';

    public function handle()
    {
        $time = -microtime(true);
        echo PHP_EOL;

        for ($index = 1; $index <= (int) $this->option('count'); $index++) {
            $chance = rand(1, 100);
            $payload =  $chance <= 20 ? "finish #$index" : ($chance <= 40 ? "requeue #$index" : "Message #$index");

            $message = [
                'content_type' => 'text/plain',
                'delivery_mode' => $this->option('delivery') === "1" ? AMQPMessage::DELIVERY_MODE_NON_PERSISTENT : AMQPMessage::DELIVERY_MODE_PERSISTENT,
                'content_encoding' => 'utf-8',
            ];

            $publish = [
                // When a published message cannot be routed to any queue,
                // and the publisher set the mandatory message property to
                // true, the message will be returned to it. The publisher
                // must have a returned message handler set up in order to
                // handle the return (e.g. by logging an error or retrying with a different exchange).
                'mandatory' => $this->option('mandatory') === "1",
                // This flag is deprecated as of RabbitMQ 2.9 and will raise
                // an exception and close the channel if used.
                'immediate' => false,
                'ticket' => null,
                'batch_count' => 500,
            ];

            $exchange = [
                'name' => $this->argument('exchange'),
                'declare' => $this->option('declare') === "1", // should declare
                'passive' => false,
                // By using durability (Durable, Transient) properties, we can
                // make the message to survive even after server restarts. If
                // we select Durable, then the message will survive even
                // after server restart. In case, if we select Tansient,
                // then message will not service after server restart.
                'durable' => $this->option('durable') === "1",
                // By using auto delete property, we can set whether an exchange
                // can delete if we unbind assigned queue.
                'auto_delete' => false,
                // If we set this property yes, then the exchange may not be
                // used directly by publishers, but only when bound to other
                // exchanges.
                'internal' => false,
                'no_wait' => false,
                'arguments' => [],
                'ticket' => null,
            ];

            $message = new ProducibleMessage(
                message: $payload,
                properties: $publish + $message,
            );

            $other_options = [];

            Amqp::publish(
                messages: $message,
                routingKey: $this->option('bind'),
                // In rabbitmq, direct exchange will deliver a messages to the
                // queues based on the message routing key
                exchange: $this->getExchangeType($this->option('type'), $exchange),
                // In rabbitmq, fanout exchange will route messages to all of
                // the queues that are bound to it.
                // exchange: Fanout::make($exchange),
                // https://www.tutlane.com/tutorial/rabbitmq/rabbitmq-exchanges
                // exchange: Topic::make($exchange),
                // exchange: Headers::make($exchange),
                options: $other_options,
            );

            usleep((int) $this->option('usleep') * 1000);
        }

        echo sprintf('%f', $time += microtime(true));
        echo PHP_EOL;
    }

    public function getExchangeType(string $type, array $exchange): Exchange
    {
        return match ($type) {
            'direct' => Direct::make($exchange),
            'fanout' => Fanout::make($exchange),
            'topic' => Topic::make($exchange),
            'headers' => Headers::make($exchange),
        };
    }
}