DOMImplementation::createDocumentType

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DOMImplementation::createDocumentType — Creates an empty DOMDocumentType object

Description

DOMDocumentType DOMImplementation::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 #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();



?>

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 .