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<title>Returns namespaces declared in document</title>
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<h1 class="refname">SimpleXMLElement::getDocNamespaces</h1>
<p class="verinfo">(PHP 5 >= 5.1.2)</p><p class="refpurpose"><span class="refname">SimpleXMLElement::getDocNamespaces</span> — <span class="dc-title">
Returns namespaces declared in document
</span></p>
</div>
<div class="refsect1 description" id="refsect1-simplexmlelement.getdocnamespaces-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">array</span> <span class="methodname"><strong>SimpleXMLElement::getDocNamespaces</strong></span>
([ <span class="methodparam"><span class="type">bool</span> <code class="parameter">$recursive</code><span class="initializer"> = false</span></span>
[, <span class="methodparam"><span class="type">bool</span> <code class="parameter">$from_root</code><span class="initializer"> = true</span></span>
]] )</div>
<p class="para rdfs-comment">
Returns namespaces declared in document
</p>
</div>
<div class="refsect1 parameters" id="refsect1-simplexmlelement.getdocnamespaces-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">recursive</code></em></span>
<dd>
<p class="para">
If specified, returns all namespaces declared in parent and child nodes.
Otherwise, returns only namespaces declared in root node.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">from_root</code></em></span>
<dd>
<p class="para">
Allows you to recursively check namespaces under a child node instead of
from the root of the XML doc.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-simplexmlelement.getdocnamespaces-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
The <em>getDocNamespaces</em> method returns an <span class="type"><a href="language.types.array.html" class="type array">array</a></span>
of namespace names with their associated URIs.
</p>
</div>
<div class="refsect1 examples" id="refsect1-simplexmlelement.getdocnamespaces-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-5506">
<p><strong>Example #1 Get document namespaces</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$xml </span><span style="color: #007700">= <<<XML<br /></span><span style="color: #DD0000"><?xml version="1.0" standalone="yes"?><br /><people xmlns:p="http://example.org/ns"><br /> <p:person id="1">John Doe</p:person><br /> <p:person id="2">Susie Q. Public</p:person><br /></people><br /></span><span style="color: #007700">XML;<br /> <br /></span><span style="color: #0000BB">$sxe </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleXMLElement</span><span style="color: #007700">(</span><span style="color: #0000BB">$xml</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$namespaces </span><span style="color: #007700">= </span><span style="color: #0000BB">$sxe</span><span style="color: #007700">-></span><span style="color: #0000BB">getDocNamespaces</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$namespaces</span><span style="color: #007700">);<br /><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>
array(1) {
["p"]=>
string(21) "http://example.org/ns"
}
</pre></div>
</div>
</div>
</p>
<p class="para">
<div class="example" id="example-5507">
<p><strong>Example #2 Working with multiple namespaces</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$xml </span><span style="color: #007700">= <<<XML<br /></span><span style="color: #DD0000"><?xml version="1.0" standalone="yes"?><br /><people xmlns:p="http://example.org/ns" xmlns:t="http://example.org/test"><br /> <p:person t:id="1">John Doe</p:person><br /> <p:person t:id="2" a:addr="123 Street" xmlns:a="http://example.org/addr"><br /> Susie Q. Public<br /> </p:person><br /></people><br /></span><span style="color: #007700">XML;<br /> <br /></span><span style="color: #0000BB">$sxe </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleXMLElement</span><span style="color: #007700">(</span><span style="color: #0000BB">$xml</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$namespaces </span><span style="color: #007700">= </span><span style="color: #0000BB">$sxe</span><span style="color: #007700">-></span><span style="color: #0000BB">getDocNamespaces</span><span style="color: #007700">(</span><span style="color: #0000BB">TRUE</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$namespaces</span><span style="color: #007700">);<br /><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>
array(3) {
["p"]=>
string(21) "http://example.org/ns"
["t"]=>
string(23) "http://example.org/test"
["a"]=>
string(23) "http://example.org/addr"
}
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 changelog" id="refsect1-simplexmlelement.getdocnamespaces-changelog">
<h3 class="title">Changelog</h3>
<p class="para">
<table class="doctable informaltable">
<thead>
<tr>
<th>Version</th>
<th>Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>5.4.0</td>
<td>
Added <em><code class="parameter">from_root</code></em> parameter.
</td>
</tr>
</tbody>
</table>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-simplexmlelement.getdocnamespaces-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="methodname"><a href="simplexmlelement.getnamespaces.html" class="methodname" rel="rdfs-seeAlso">SimpleXMLElement::getNamespaces()</a> - Returns namespaces used in document</span></li>
<li class="member"> <span class="methodname"><a href="simplexmlelement.registerxpathnamespace.html" class="methodname" rel="rdfs-seeAlso">SimpleXMLElement::registerXPathNamespace()</a> - Creates a prefix/ns context for the next XPath query</span></li>
</ul>
</p>
</div>
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