### YOP PHP SDK Environment Dependencies

Source: https://github.com/yop-platform/yop-php-sdk/blob/main/README.md

Lists the environment dependencies required to use the YOP PHP SDK. This includes the minimum PHP version and necessary PHP extensions.

```text
php v5.5+
安装php的mcrypt扩展 openssl，启用模块curl
```

--------------------------------

### YOP PHP SDK Directory Structure

Source: https://github.com/yop-platform/yop-php-sdk/blob/main/README.md

Describes the directory structure of the YOP PHP SDK, outlining the purpose of each directory and key files within the 'src' directory, including utility classes, client implementations, and test files.

```text
├──src
│   ├── Util                        // 工具类
│   │   ├── AESEncrypter.php        // AES函数集
│   │   ├── Base64Url.php           // Base64Url函数集
│   │   ├── BlowfishEncrypter.php   // 加解密处理
│   │   ├── HttpRequest.php         // Http请求函数集
│   │   ├── HttpUtils.php           // Http处理共通函数集
│   │   ├── StringBuilder.php       // 字符串创建函数集
│   │   ├── StringUtils             // 字符串处理函数集
│   │   └── YopSignUtils.php        // YOP签名共通函数集
│   ├── YopClient.php               // 对称秘钥请求处理函数集
│   ├── YopClient3.php              // 非对称秘钥请求处理函数集
│   ├── YopConfig.php               // YOP配置信息函数集
│   ├── YopRequest.php              // YOP请求处理函数集
│   ├── YopResponse.php             // YOP返回处理函数集
│   ├── test                        // 测试
│   │   ├── Info.php                // PHP环境测试页面
│   │   └── RsaTest.php             // 测试程序页面
│   ├── Readme.txt                  // help
```

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