# XMLWriter::writeDtd

# xmlwriter_write_dtd

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

XMLWriter::writeDtd -- xmlwriter_write_dtd — Write full DTD tag

### 说明

面向对象风格

XMLWriter::writeDtd ( string `$name` [, string `$publicId` [, string `$systemId` [, string `$subset` ]]] ) : bool

过程化风格

xmlwriter_write_dtd ( resource `$xmlwriter` , string `$name` [, string `$publicId` [, string `$systemId` [, string `$subset` ]]] ) : bool

Writes a full DTD.

### 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。

`name`

  The DTD name.

`publicId`

  The external subset public identifier.

`systemId`

  The external subset system identifier.

`subset`

  The content of the DTD.

### 返回值

成功时返回 `TRUE`， 或者在失败时返回 `FALSE`。

### 参见

- XMLWriter::startDtd() - Create start DTD tag
- XMLWriter::endDtd() - End current DTD