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DOMImplementation::createDocumentType

(PHP 5)

DOMImplementation::createDocumentType Creates an empty DOMDocumentType object

Beschreibung

public DOMDocumentType DOMImplementation::createDocumentType ([ string $qualifiedName = NULL [, string $publicId = NULL [, string $systemId = NULL ]]] )

Creates an empty DOMDocumentType object. Entity declarations and notations are not made available. Entity reference expansions and default attribute additions do not occur.

Parameter-Liste

qualifiedName

The qualified name of the document type to create.

publicId

The external subset public identifier.

systemId

The external subset system identifier.

R├╝ckgabewerte

A new DOMDocumentType node with its ownerDocument set to NULL.

Fehler/Exceptions

DOM_NAMESPACE_ERR

Raised if there is an error with the namespace, as determined by qualifiedName.

Diese Methode kann statisch aufgerufen werden, dies wird aber einen E_STRICT-Fehler hervorrufen.

Beispiele

Beispiel #1 Creating a document with an attached DTD

<?php

// Creates an instance of the DOMImplementation class
$imp = new DOMImplementation;

// Creates a DOMDocumentType instance
$dtd $imp->createDocumentType('graph''''graph.dtd');

// Creates a DOMDocument instance
$dom $imp->createDocument(""""$dtd);

// Set other properties
$dom->encoding 'UTF-8';
$dom->standalone false;

// Create an empty element
$element $dom->createElement('graph');

// Append the element
$dom->appendChild($element);

// Retrieve and print the document
echo $dom->saveXML();

?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE graph SYSTEM "graph.dtd">
<graph/>

Siehe auch

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User Contributed Notes 1 note

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until-all-bytes-are-free at example dot org
3 years ago
I had problems to use a DTD from a file. It needed to be resolved relatively and it contained characters that made DomDocument failed to resolve the file.

Encoding and an absolute filename did not help much. So I used the data:// streamwrapper ( http://php.net/manual/en/wrappers.data.php ) as a work-around:

<?php

// relative or absolute filename
$path = '...';

// convert file contents into a filename
$data = file_get_contents($path);
$systemId = 'data://text/plain;base64,'.base64_encode($data);

// ...

// Creates a DOMDocumentType instance
$dtd = $aImp->createDocumentType('qualified name', '', $systemId);

?>

Works like a charm.
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