<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Retrieves a node specified by index</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="class.domnodelist.html">DOMNodeList</a></div>
<div class="next" style="text-align: right; float: right;"><a href="class.domnotation.html">DOMNotation</a></div>
<div class="up"><a href="class.domnodelist.html">DOMNodeList</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="domnodelist.item" class="refentry">
<div class="refnamediv">
<h1 class="refname">DOMNodelist::item</h1>
<p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">DOMNodelist::item</span> — <span class="dc-title">
Retrieves a node specified by index
</span></p>
</div>
<div class="refsect1 description" id="refsect1-domnodelist.item-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><a href="class.domnode.html" class="type DOMNode">DOMNode</a></span> <span class="methodname"><strong>DOMNodelist::item</strong></span>
( <span class="methodparam"><span class="type">int</span> <code class="parameter">$index</code></span>
)</div>
<p class="para rdfs-comment">
Retrieves a node specified by <em><code class="parameter">index</code></em> within the
<a href="class.domnodelist.html" class="classname">DOMNodeList</a> object.
</p>
<div class="tip"><strong class="tip">Tip</strong>
<p class="para">
If you need to know the number of nodes in the collection, use
the <em>length</em> property of the
<a href="class.domnodelist.html" class="classname">DOMNodeList</a> object.
</p>
</div>
</div>
<div class="refsect1 parameters" id="refsect1-domnodelist.item-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">index</code></em></span>
<dd>
<p class="para">
Index of the node into the collection.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-domnodelist.item-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
The node at the <em><code class="parameter">index</code></em>th position in the
<a href="class.domnodelist.html" class="classname">DOMNodeList</a>, or <strong><code>NULL</code></strong> if that is not a valid
index.
</p>
</div>
<div class="refsect1 examples" id="refsect1-domnodelist.item-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-5430">
<p><strong>Example #1 Traversing all the entries of the table</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$doc </span><span style="color: #007700">= new </span><span style="color: #0000BB">DOMDocument</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$doc</span><span style="color: #007700">-></span><span style="color: #0000BB">load</span><span style="color: #007700">(</span><span style="color: #DD0000">'book.xml'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$items </span><span style="color: #007700">= </span><span style="color: #0000BB">$doc</span><span style="color: #007700">-></span><span style="color: #0000BB">getElementsByTagName</span><span style="color: #007700">(</span><span style="color: #DD0000">'entry'</span><span style="color: #007700">);<br /><br />for (</span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">0</span><span style="color: #007700">; </span><span style="color: #0000BB">$i </span><span style="color: #007700">< </span><span style="color: #0000BB">$items</span><span style="color: #007700">-></span><span style="color: #0000BB">length</span><span style="color: #007700">; </span><span style="color: #0000BB">$i</span><span style="color: #007700">++) {<br /> echo </span><span style="color: #0000BB">$items</span><span style="color: #007700">-></span><span style="color: #0000BB">item</span><span style="color: #007700">(</span><span style="color: #0000BB">$i</span><span style="color: #007700">)-></span><span style="color: #0000BB">nodeValue </span><span style="color: #007700">. </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>
Alternatively, you can use <a href="control-structures.foreach.html" class="link">foreach</a>, which is a much more convenient way:
</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #007700">foreach (</span><span style="color: #0000BB">$items </span><span style="color: #007700">as </span><span style="color: #0000BB">$item</span><span style="color: #007700">) {<br /> echo </span><span style="color: #0000BB">$item</span><span style="color: #007700">-></span><span style="color: #0000BB">nodeValue </span><span style="color: #007700">. </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<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>
Title
Author
Language
ISBN
The Grapes of Wrath
John Steinbeck
en
0140186409
The Pearl
John Steinbeck
en
014017737X
Samarcande
Amine Maalouf
fr
2253051209
</pre></div>
</div>
</div>
</p>
</div>
</div><hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="class.domnodelist.html">DOMNodeList</a></div>
<div class="next" style="text-align: right; float: right;"><a href="class.domnotation.html">DOMNotation</a></div>
<div class="up"><a href="class.domnodelist.html">DOMNodeList</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
