# Yaml 本扩展实现了（[YAML不是标记语言](http://www.yaml.org/)）对人类友好的数据序列化标准。 通过[» LibYAML library](http://pyyaml.org/wiki/LibYAML)来解析和编码。 <https://pecl.php.net/package/yaml> 与yaconf一样作为配置文件格式 - [预定义常量](https://www.php.net/manual/zh/yaml.constants.php) - [范例](https://www.php.net/manual/zh/yaml.examples.php) - [Callbacks](https://www.php.net/manual/zh/yaml.callbacks.php) - [Parse callbacks](https://www.php.net/manual/zh/yaml.callbacks.parse.php) - [Emit callbacks](https://www.php.net/manual/zh/yaml.callbacks.emit.php) - [Yaml 函数](https://www.php.net/manual/zh/ref.yaml.php) - [yaml\_emit\_file](https://www.php.net/manual/zh/function.yaml-emit-file.php)— 将值的YAML表示形式发送到文件 - [yaml\_emit](https://www.php.net/manual/zh/function.yaml-emit.php)— 返回值的YAML表示形式 - [yaml\_parse\_file](https://www.php.net/manual/zh/function.yaml-parse-file.php)— 从文件解析YAML流 - [yaml\_parse\_url](https://www.php.net/manual/zh/function.yaml-parse-url.php)— 从URL解析Yaml流 - [yaml\_parse](https://www.php.net/manual/zh/function.yaml-parse.php)— 解析YAML流