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Example code of erikwang2013/etcd

Informations about the package etcd

erikwang2013/etcd

PHP etcd v3 客户端 — gRPC + HTTP 双模传输，全功能 API，支持 Laravel / Hyperf / ThinkPHP / Webman。

要求

安装

快速开始

配置

环境变量

不传配置时自动读取环境变量：

变量 默认值 说明
ETCD_ENDPOINTS 127.0.0.1:2379 逗号分隔的多节点地址
ETCD_TRANSPORT auto auto / http / grpc
ETCD_TIMEOUT 5.0 请求超时（秒）
ETCD_RETRY 2 连接重试次数
ETCD_USER — etcd 用户名
ETCD_PASSWORD — etcd 密码

API 参考

KV — 键值操作

比较目标（target）常量： 0=VERSION, 1=CREATE, 2=MOD, 3=VALUE, 4=LEASE
比较结果（result）常量： 0=EQUAL, 1=GREATER, 2=LESS, 3=NOT_EQUAL

Watch — 变更监听

断线重连： Watch 连接断开时自动从上一次收到的 revision 续订，不会丢失事件。

Lease — 租约

典型场景： 服务注册时创建租约 + 写入 key，定时调用 keepAlive() 心跳续约；服务停止后租约到期自动清理。

Auth — 认证与权限

注意： 开启认证后，客户端必须配置 auth.user 和 auth.password 才能继续操作。

Cluster — 集群管理

Maintenance — 运维

传输模式

模式 状态 依赖 适用场景
HTTP 可用 PSR-18 + PSR-17 零扩展依赖，即刻可用
gRPC 骨架 ext-grpc + grpc/grpc + google/protobuf 高性能、原生流式
auto 默认 自动检测 有 gRPC 则用 gRPC，否则 HTTP

auto 模式检测逻辑：

  1. extension_loaded('grpc') — C 扩展已加载？
  2. class_exists('Grpc\BaseStub') — grpc/grpc composer 包已安装？

两者都满足才走 gRPC，否则回退 HTTP。

手动配置 PSR-18 HTTP 客户端

框架集成

Laravel

安装即用。composer.json 的 extra.laravel 自动发现 ServiceProvider 和 Facade。

发布配置文件：

.env 配置：

Hyperf

安装即用。Hyperf 自动发现 ConfigProvider。

发布配置：

ThinkPHP

  1. 安装后，在 app/service.php 中注册：

  2. 创建 config/etcd.php 配置文件。

使用：

Webman

安装即用，无需额外配置。

如需自定义配置，编辑 plugin/erikwang2013/etcd/config/etcd.php。

异常处理

目录结构

开源不易，欢迎支持

微信 支付宝

License

MIT — Copyright (c) 2026 erik [email protected]

All versions of etcd with dependencies

PHP Build Version
Package Version
Requires php Version >=8.1
psr/http-client Version ^1.0
psr/http-factory Version ^1.0
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