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<title>Create new element node with an associated namespace</title>
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<h1 class="refname">DOMDocument::createElementNS</h1>
<p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">DOMDocument::createElementNS</span> — <span class="dc-title">
Create new element node with an associated namespace
</span></p>
</div>
<div class="refsect1 description" id="refsect1-domdocument.createelementns-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type"><a href="class.domelement.html" class="type DOMElement">DOMElement</a></span> <span class="methodname"><strong>DOMDocument::createElementNS</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$namespaceURI</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$qualifiedName</code></span>
[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$value</code></span>
] )</div>
<p class="para rdfs-comment">
This function creates a new element node with an associated namespace.
This node will not show up in the document unless
it is inserted with (e.g.) <span class="function"><a href="domnode.appendchild.html" class="function">DOMNode::appendChild()</a></span>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-domdocument.createelementns-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">namespaceURI</code></em></span>
<dd>
<p class="para">
The URI of the namespace.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">qualifiedName</code></em></span>
<dd>
<p class="para">
The qualified name of the element, as <em>prefix:tagname</em>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">value</code></em></span>
<dd>
<p class="para">
The value of the element. By default, an empty element will be created.
You can also set the value later with <a href="class.domnode.html#domnode.props.nodevalue" class="link">DOMElement::$nodeValue</a>.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-domdocument.createelementns-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
The new <a href="class.domelement.html" class="classname">DOMElement</a> or <strong><code>FALSE</code></strong> if an error occurred.
</p>
</div>
<div class="refsect1 errors" id="refsect1-domdocument.createelementns-errors">
<h3 class="title">Errors/Exceptions</h3>
<p class="para">
<dl>
<dt>
<span class="term"><strong><code>DOM_INVALID_CHARACTER_ERR</code></strong></span>
<dd>
<p class="para">
Raised if <em><code class="parameter">qualifiedName</code></em> contains an invalid character.
</p>
</dd>
</dt>
<dt>
<span class="term"><strong><code>DOM_NAMESPACE_ERR</code></strong></span>
<dd>
<p class="para">
Raised if <em><code class="parameter">qualifiedName</code></em> is a maformed qualified
name.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 examples" id="refsect1-domdocument.createelementns-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-5400">
<p><strong>Example #1 Creating a new element and inserting it as root</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$dom </span><span style="color: #007700">= new </span><span style="color: #0000BB">DOMDocument</span><span style="color: #007700">(</span><span style="color: #DD0000">'1.0'</span><span style="color: #007700">, </span><span style="color: #DD0000">'utf-8'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$element </span><span style="color: #007700">= </span><span style="color: #0000BB">$dom</span><span style="color: #007700">-></span><span style="color: #0000BB">createElementNS</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://www.example.com/XFoo'</span><span style="color: #007700">, </span><span style="color: #DD0000">'xfoo:test'</span><span style="color: #007700">, </span><span style="color: #DD0000">'This is the root element!'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// We insert the new element as root (child of the document)<br /></span><span style="color: #0000BB">$dom</span><span style="color: #007700">-></span><span style="color: #0000BB">appendChild</span><span style="color: #007700">(</span><span style="color: #0000BB">$element</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">$dom</span><span style="color: #007700">-></span><span style="color: #0000BB">saveXML</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
<?xml version="1.0" encoding="utf-8"?>
<xfoo:test xmlns:xfoo="http://www.example.com/XFoo">This is the root element!</xfoo:test>
</pre></div>
</div>
</div>
<div class="example" id="example-5401">
<p><strong>Example #2 A namespace prefix example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$doc </span><span style="color: #007700">= new </span><span style="color: #0000BB">DOMDocument</span><span style="color: #007700">(</span><span style="color: #DD0000">'1.0'</span><span style="color: #007700">, </span><span style="color: #DD0000">'utf-8'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$doc</span><span style="color: #007700">-></span><span style="color: #0000BB">formatOutput </span><span style="color: #007700">= </span><span style="color: #0000BB">true</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$root </span><span style="color: #007700">= </span><span style="color: #0000BB">$doc</span><span style="color: #007700">-></span><span style="color: #0000BB">createElementNS</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://www.w3.org/2005/Atom'</span><span style="color: #007700">, </span><span style="color: #DD0000">'element'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$doc</span><span style="color: #007700">-></span><span style="color: #0000BB">appendChild</span><span style="color: #007700">(</span><span style="color: #0000BB">$root</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$root</span><span style="color: #007700">-></span><span style="color: #0000BB">setAttributeNS</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://www.w3.org/2000/xmlns/' </span><span style="color: #007700">,</span><span style="color: #DD0000">'xmlns:g'</span><span style="color: #007700">, </span><span style="color: #DD0000">'http://base.google.com/ns/1.0'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$item </span><span style="color: #007700">= </span><span style="color: #0000BB">$doc</span><span style="color: #007700">-></span><span style="color: #0000BB">createElementNS</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://base.google.com/ns/1.0'</span><span style="color: #007700">, </span><span style="color: #DD0000">'g:item_type'</span><span style="color: #007700">, </span><span style="color: #DD0000">'house'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$root</span><span style="color: #007700">-></span><span style="color: #0000BB">appendChild</span><span style="color: #007700">(</span><span style="color: #0000BB">$item</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">$doc</span><span style="color: #007700">-></span><span style="color: #0000BB">saveXML</span><span style="color: #007700">(), </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /><br />echo </span><span style="color: #0000BB">$item</span><span style="color: #007700">-></span><span style="color: #0000BB">namespaceURI</span><span style="color: #007700">, </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">// Outputs: http://base.google.com/ns/1.0<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">$item</span><span style="color: #007700">-></span><span style="color: #0000BB">prefix</span><span style="color: #007700">, </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">// Outputs: g<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">$item</span><span style="color: #007700">-></span><span style="color: #0000BB">localName</span><span style="color: #007700">, </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">// Outputs: item_type<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
<?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
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-domdocument.createelementns-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="methodname"><a href="domnode.appendchild.html" class="methodname" rel="rdfs-seeAlso">DOMNode::appendChild()</a> - Adds new child at the end of the children</span></li>
<li class="member"> <span class="methodname"><a href="domdocument.createattribute.html" class="methodname" rel="rdfs-seeAlso">DOMDocument::createAttribute()</a> - Create new attribute</span></li>
<li class="member"> <span class="methodname"><a href="domdocument.createattributens.html" class="methodname" rel="rdfs-seeAlso">DOMDocument::createAttributeNS()</a> - Create new attribute node with an associated namespace</span></li>
<li class="member"> <span class="methodname"><a href="domdocument.createcdatasection.html" class="methodname" rel="rdfs-seeAlso">DOMDocument::createCDATASection()</a> - Create new cdata node</span></li>
<li class="member"> <span class="methodname"><a href="domdocument.createcomment.html" class="methodname" rel="rdfs-seeAlso">DOMDocument::createComment()</a> - Create new comment node</span></li>
<li class="member"> <span class="methodname"><a href="domdocument.createdocumentfragment.html" class="methodname" rel="rdfs-seeAlso">DOMDocument::createDocumentFragment()</a> - Create new document fragment</span></li>
<li class="member"> <span class="methodname"><a href="domdocument.createelement.html" class="methodname" rel="rdfs-seeAlso">DOMDocument::createElement()</a> - Create new element node</span></li>
<li class="member"> <span class="methodname"><a href="domdocument.createentityreference.html" class="methodname" rel="rdfs-seeAlso">DOMDocument::createEntityReference()</a> - Create new entity reference node</span></li>
<li class="member"> <span class="methodname"><a href="domdocument.createprocessinginstruction.html" class="methodname" rel="rdfs-seeAlso">DOMDocument::createProcessingInstruction()</a> - Creates new PI node</span></li>
<li class="member"> <span class="methodname"><a href="domdocument.createtextnode.html" class="methodname" rel="rdfs-seeAlso">DOMDocument::createTextNode()</a> - Create new text node</span></li>
</ul>
</p>
</div>
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