DOM
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The DOMImplementation class

(PHP 5)

简介

The DOMImplementation interface provides a number of methods for performing operations that are independent of any particular instance of the document object model.

类摘要

DOMImplementation {
/* 属性 */
/* 方法 */
__construct ( void )
DOMDocument createDocument ([ string $namespaceURI = NULL [, string $qualifiedName = NULL [, DOMDocumentType $doctype = NULL ]]] )
DOMDocumentType createDocumentType ([ string $qualifiedName = NULL [, string $publicId = NULL [, string $systemId = NULL ]]] )
bool hasFeature ( string $feature , string $version )
}

Table of Contents

DOM
在线手册：中文 英文
PHP手册
PHP手册 - N: The DOMImplementation class

用户评论:

giorgio dot liscio at email dot it (21-Jul-2010 02:26)

officially, the w3 specifies that the way to access dom interfaces is through this class

so if you use

$doc = new DOMDocument("1.0", "UTF-8");

use instead:

$x = new DOMImplementation();
$doc = $x->createDocument(NULL,"rootElementName");
$doc->xmlVersion="1.0";
$doc->xmlEncoding="UTF-8";

it is not required by php's implementation, but, probably, it is a good practice

see:

http://w3.org/TR/DOM-Level-3-Core/core.html#DOMImplementation

http://w3.org/TR/DOM-Level-3-Core/core.html#DOMImplementationList

http://w3.org/TR/DOM-Level-3-Core/core.html#DOMImplementationSource