# XMLWriter::startDocument

# xmlwriter_start_document

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0)

XMLWriter::startDocument -- xmlwriter_start_document — Create document tag

### 说明

面向对象风格

XMLWriter::startDocument ([ string `$version` = 1.0 [, string `$encoding` = `NULL` [, string `$standalone` ]]] ) : bool

过程化风格

xmlwriter_start_document ( resource `$xmlwriter` [, string `$version` = 1.0 [, string `$encoding` = `NULL` [, string `$standalone` ]]] ) : bool

Starts a document.

### 参数

`xmlwriter`

  仅用于过程调用。被修改的 XMLWriter resource。此资源来自于对 xmlwriter_open_uri() 或 xmlwriter_open_memory() 的调用。

`version`

  The version number of the document as part of the XML declaration.

`encoding`

  The encoding of the document as part of the XML declaration.

`standalone`

  yes or no.

### 返回值

成功时返回 `TRUE`， 或者在失败时返回 `FALSE`。

### 参见

- XMLWriter::endDocument() - End current document