# 手动销毁资源

默认所有资源将在变量生命周期结束时全部销毁，除此之外你可以手动关闭销毁。

```php
$config = [
    'path' => '/home/viest' // xlsx文件保存路径
];

$excel = new \Vtiful\Kernel\Excel($config);
$filePath = $excel->fileName('tutorial01.xlsx')
    ->header(['Item', 'Cost'])
    ->output();

// 关闭当前打开的所有文件句柄 并 回收资源
$excel->close();
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://xlswriter-docs.viest.me/zhong-wen-jian-ti/quick-start/close.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.