domnodelist.item.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Retrieves a node specified by index</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div 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">(No version information available, might be only in CVS)</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"> <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"><b><b>DOMNodelist::item</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$index</tt></span> )</div> <p class="para rdfs-comment"> Retrieves a node specified by <i><tt class="parameter">index</tt></i> within the <a href="class.domnodelist.html" class="classname">DOMNodeList</a> object. </p> <div class="tip"><b class="tip">Tip</b> <p class="para"> If you need to know the number of nodes in the collection, use the <i>length</i> property of the <a href="class.domnodelist.html" class="classname">DOMNodeList</a> object. </p> </div> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">index</tt></i></span> <dd> <p class="para"> Index of the node into the collection. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> The node at the <i><tt class="parameter">index</tt></i>th position in the <a href="class.domnodelist.html" class="classname">DOMNodeList</a>, or <b><tt>NULL</tt></b> if that is not a valid index. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Traversing all the entries of the table</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$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">$i</span><span style="color: #007700">)-></span><span style="color: #0000BB">nodeValue </span><span style="color: #007700">. </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p> Alternatively, you can use foreach, which is a much more convenient way: </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br /></span><span style="color: #007700">foreach (</span><span style="color: #0000BB">$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"><pre><div class="cdata"><pre>TitleAuthorLanguageISBNThe Grapes of WrathJohn Steinbecken0140186409The PearlJohn Steinbecken014017737XSamarcandeAmine Maalouffr2253051209</pre></div> </pre></div> </div> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; 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