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DOMImplementation->createDocumentType()

Creates an empty DOMDocumentType object ()

DOMImplementation {
  DOMDocumentType createDocumentType(string qualifiedName,
                                     string publicId,
                                     string systemId);

}

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

Parameters

qualifiedName

The qualified name of the document type to create.

publicId

The external subset public identifier.

systemId

The external subset system identifier.

Return Values

A new DOMDocumentType node with its ownerDocument set to NULL.

Examples

Example 537. 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();

?>

The above example will output:

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


Errors/Exceptions

DOM_NAMESPACE_ERR

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