php教程

XMLWriter::startDtd

xmlwriter_start_dtd

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

XMLWriter::startDtd -- xmlwriter_start_dtdCreate start DTD tag

说明

面向对象风格

XMLWriter::startDtd ( string $qualifiedName [, string $publicId [, string $systemId ]] ) : bool

过程化风格

xmlwriter_start_dtd ( resource $xmlwriter , string $qualifiedName [, string $publicId [, string $systemId ]] ) : bool

Starts a 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()xmlwriter_open_memory() 的调用。

qualifiedName

The qualified name of the document type to create.

publicId

The external subset public identifier.

systemId

The external subset system identifier.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE

参见

User Contributed Notes

joaner1206 at gmail dot com 04-Oct-2011 02:52
If you will write a HTML document :

 // $xml = new XMLWriter();  you know it and openURI()

<?php
 
// for HTML 5
$xml->startDTD('html');
 
// for XHTML 1.0
$xml->startDTD('html', '-//W3C//DTD XHTML 1.0 Strict//EN','http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'); // standards compliant

$xml->endDTD();
?>
it will be :
<!DOCTYPE html>
or    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN">

don't need to startDocument() .

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