my scheduler

gistfile1.txt

$ php artisan schedule:daemon
[2018-01-07 12:11:24] Starting schedule:daemon
[2018-01-07 12:11:24] Waiting for next minute
[2018-01-07 12:12:00] running main loop
Running scheduled command: App\Jobs\CreateSnapshot
[2018-01-07 12:13:00] running main loop
Running scheduled command: App\Jobs\CreateSnapshot
[2018-01-07 12:14:00] running main loop
Running scheduled command: App\Jobs\CreateSnapshot
[2018-01-07 12:15:00] running main loop
Running scheduled command: App\Jobs\CreateSnapshot
[2018-01-07 12:16:00] running main loop
Running scheduled command: App\Jobs\CreateSnapshot
[2018-01-07 12:17:00] running main loop
Running scheduled command: App\Jobs\CreateSnapshot
[2018-01-07 12:18:00] running main loop
Running scheduled command: App\Jobs\CreateSnapshot
[2018-01-07 12:19:00] running main loop
Running scheduled command: App\Jobs\CreateSnapshot
[2018-01-07 12:20:00] running main loop
Running scheduled command: App\Jobs\UpdateCurrencies
Running scheduled command: App\Jobs\CreateSnapshot

scheduler.php

<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use Illuminate\Console\Scheduling\ScheduleRunCommand;
use Illuminate\Console\Scheduling\Schedule;

class start_scheduler extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'schedule:daemon';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Start a scheduler daemon that runs every minute';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $this->log("Starting schedule:daemon");
        $this->log("Waiting for next minute");

        sleep($this->seconds_until_next_minute());

        # The main loop
        while (true) {
            $this->loop();

            sleep($this->seconds_until_next_minute());
        }
    }

    private function loop() {
        $this->log("running main loop");
        echo `php artisan schedule:run`;
    }

    private function seconds_until_next_minute() {
        return (60-time()%60);
    }

    private function carbon() {
        return \Carbon\Carbon::now()->toDateTimeString();
    }

    private function log($message) {
        $this->info(sprintf("[%s] %s", $this->carbon(), $message));
    }
}