Output list of dates to a text file between start and end excluding weekends

dates.php

<?php

namespace App\Console\Commands;

use App\Extensions\Command;
use Illuminate\Support\Carbon;

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

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Test';

    /**
     * How long would you like to keep this history for?
     * Note that if the history is less than 21 days
     * eyewitness may have incomplete graphs.
     *
     * @var int
     */
    public $keepHistoryFor = 21;

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

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $start = new Carbon("2019-05-03");
        $end = new Carbon("2019-09-30");

        $dates = [];
        while ($start <= $end) {
            if ($start->isWeekend()) {
                $start->addDay(1);
                continue;
            }

            $dates[] = $start->format('n/j/y');

            $start->addDay(1);
        }

        file_put_contents(__DIR__ . '/dates.txt', collect($dates)->implode("\r\n"));
    }
}