core/app/Console/Commands/NewUser.php

<?php

namespace App\Console\Commands;

use App\Enumerations\UserRoles;
use App\Models\User;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Hash;
use Symfony\Component\Console\Exception\InvalidArgumentException;

class NewUser extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'user:new {email} {password} {role}';
    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Creates new user';

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $email = $this->argument('email');
        $password = $this->argument('password');
        $role = $this->argument('role');

        // check if given role is valid
        $roles = UserRoles::getSimple();
        if (!in_array($role, $roles)) {
            throw new InvalidArgumentException('Invalid role specified. valid roles are: ' . implode(', ', $roles));
        }

        // create new user
        $user = new User();
        $user->username = $user->email = $email;
        $user->password = Hash::make($password);
        $user->role = $role;
        $user->save();

        $this->info('User ' . $email . ' successfully created.');
    }
}