Trait for Laravel Eloquent models to use a UUID as their primary key

HasUuidPrimaryKey.php

<?php

namespace App\Models\Concerns;

use Illuminate\Support\Str;

/**
 * Model has a UUID primary key.
 */
trait HasUuidPrimaryKey
{
    protected static function boot()
    {
        parent::boot();
        
        static::creating(function ($model) {
            if (empty($model->{$model->getKeyName()})) {
                $model->{$model->getKeyName()} = Str::uuid()->toString();
            }
        });
    }

    public function getIncrementing()
    {
        return false;
    }

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