PHP 7.1.21 Released

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

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

过程化风格

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

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

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joaner1206 at gmail dot com
6 years ago
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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