Uuid trait for laravel 5.x & 6.x models

MyModel.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use App\Models\Traits\Uuid;

class MyModel extends Model
{
    use Uuid;

    protected $guarded = [];

}

?>

Uuid.php

<?php
namespace App\Models\Traits;

use Illuminate\Support\Str;

trait Uuid
{
    protected static function bootUuid()
    {
        static::creating(function ($model) {
            if (!$model->getKey()) {
                $model->{$model->getKeyName()} = (string) Str::uuid();
            }
        });
    }

    public function getIncrementing()
    {
        return false;
    }

    public function getKeyType()
    {
        return 'string';
    }
}

?>