安装
composer require ramsey/uuid
代码示例
<?php
// 自动加载
require 'vendor/autoload.php';
// 或者
// require __DIR__ . '/vendor/autoload.php';
use Ramsey\Uuid\Uuid;
$uuid = Uuid::uuid4();
printf($uuid->toString());
// 76c6b8c3-6864-4019-a7d4-ec366f12aa4d