DOMDocument::createElement
DOMDocument::createEntityReference
DOMDocument
PHP Manual

# DOMDocument::createElementNS

(PHP 5)

DOMDocument::createElementNS — Create new element node with an associated namespace

### Descripción

DOMElement DOMDocument::createElementNS ( string `$namespaceURI` , string `$qualifiedName` [, string `$value` ] )

This function creates a new element node with an associated namespace. Este nodo no sera mostrado en el documento a no ser que sea introducido por ejemplo con DOMNode->appendChild().

### Lista de parámetros

`namespaceURI`

  The URI of the namespace.

`qualifiedName`

  The qualified name of the element, as prefix:tagname.

`value`

  The value of the element. By default, an empty element will be created. You can also set the value later with DOMElement->nodeValue.

### Valores retornados

The new DOMElement or `FALSE` if an error occured.

### Errors/Exceptions

`DOM_INVALID_CHARACTER_ERR`

  Raised if `qualifiedName` contains an invalid character.

`DOM_NAMESPACE_ERR`

  Raised if `qualifiedName` is a maformed qualified name.

### Ejemplos

Example #1 Creating a new element and inserting it as root

`<?php
$dom = new DOMDocument('1.0', 'iso-8859-1');
$element = $dom->createElementNS('http://www.example.com/XFoo', 'xfoo:test', 'This is the root element!');
// We insert the new element as root (child of the document)
$dom->appendChild($element);
echo $dom->saveXML();
?>`

El resultado del ejemplo seria:

    <?xml version="1.0" encoding="iso-8859-1"?>
    <xfoo:test xmlns:xfoo="http://www.example.com/XFoo">This is the root element!</xfoo:test>

Example #2 A namespace prefix example

`<?php
$doc = new DOMDocument('1.0', 'utf-8');
$doc->formatOutput = true;
$root = $doc->createElementNS('http://www.w3.org/2005/Atom', 'element');
$doc->appendChild($root);
$root->setAttributeNS('http://www.w3.org/2000/xmlns/' ,'xmlns:g', 'http://base.google.com/ns/1.0');
$item = $doc->createElementNS('http://base.google.com/ns/1.0', 'g:item_type', 'house');
$root->appendChild($item);
echo $doc->saveXML(), "\n";
echo $item->namespaceURI, "\n"; // Outputs: http://base.google.com/ns/1.0
echo $item->prefix, "\n"; // Outputs: g
echo $item->localName, "\n"; // Outputs: item_type
?>`

El resultado del ejemplo seria:

    <?xml version="1.0" encoding="utf-8"?>
    <element xmlns="http://www.w3.org/2005/Atom" xmlns:g="http://base.google.com/ns/1.0">
      <g:item_type>house</g:item_type>
    </element>

    http://base.google.com/ns/1.0
    g
    item_type

### Ver también

- DOMNode::appendChild
- DOMDocument::createAttribute
- DOMDocument::createAttributeNS
- DOMDocument::createCDATASection
- DOMDocument::createComment
- DOMDocument::createDocumentFragment
- DOMDocument::createElement
- DOMDocument::createEntityReference
- DOMDocument::createProcessingInstruction
- DOMDocument::createTextNode

DOMDocument::createElement
DOMDocument::createEntityReference
DOMDocument
PHP Manual