Laravel command skeleton

SampleCommand.php

<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;

class SampleCommand extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     * arg1 = required
     * arg2 = optional
     * arg3 = optional with default value
     * Sample usage: php artisan sample:command foo bar baz --flag
     */
    protected $signature = 'sample:command {arg1} {arg2?} {arg3=foo} {--flag}';

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

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

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $this->info('arg1 = '.$this->argument('arg1'));
        $this->info('arg2 = '.$this->argument('arg2'));
        $this->info('arg3 = '.$this->argument('arg3'));
        if ($this->option('flag')) {
            $this->info('With option --flag');
        }

        $this->info('sample info');
        $this->warn('sample warning');
        $this->error('sample error');
    }
}