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.
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