A PHP long running process that fires a command at a command bus at regular time intervals

periodic-time-ticker.php

#!/usr/bin/env php
<?php

declare(strict_types=1);

namespace CodeReviewsIo\Worker;

use CodeReviewsIo\Domain\Command\TickTime;
use Prooph\ServiceBus\CommandBus;
use React\EventLoop\Factory;
use Zend\ServiceManager\ServiceManager;

call_user_func(function () {
    require_once __DIR__ . '/../vendor/autoload.php';

    set_time_limit(0);

    $servicesConfig = require __DIR__ . '/../config/all-configs-merged-together.php';
    $loop           = Factory::create();
    $tickInterval   = 15 * 60;

    $loop->addPeriodicTimer(
        $tickInterval,
        function () use ($servicesConfig) {
            /* @var $commandBus callable */
            $commandBus = (new ServiceManager($servicesConfig))
                ->get(CommandBus::class);

            $commandBus(TickTime::fromCurrentPointInTime());

            // @TODO this is required, or connections will never be GC'd
            gc_collect_cycles();
        }
    );

    $loop->run();
});