php_xml_dom.asp

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installation needed to use these functions.</p>
<hr />

<h2>An XML File</h2>
<p>The XML file below will be used in our example:</p>
<table class="ex" cellspacing="0" width="100%" border="1">
  <tr>
    <td>
    <pre>&lt;?xml version=&quot;1.0&quot; encoding=&quot;ISO-8859-1&quot;?&gt;
&lt;note&gt;
&lt;to&gt;Tove&lt;/to&gt;
&lt;from&gt;Jani&lt;/from&gt;
&lt;heading&gt;Reminder&lt;/heading&gt;
&lt;body&gt;Don't forget me this weekend!&lt;/body&gt;
&lt;/note&gt;</pre>
    </td>
  </tr>
</table>
<br />
<hr />

<h2>Load and Output XML</h2>
<p>We want to initialize the XML parser, load the xml, and output it:</p>
<h3><b>Example</b></h3>
<table width="100%" border="1" class="ex" cellspacing="0">
<tr><td>
<pre>&lt;?php
$xmlDoc = new DOMDocument();
$xmlDoc-&gt;load(&quot;note.xml&quot;);

print $xmlDoc-&gt;saveXML();
?&gt;</pre>
</td></tr></table>
<p>The output of the code above will be:</p>
<table class="ex" id="table1" border="1" cellspacing="0" width="100%">
	<tr>
		<td>
		<pre><to>Tove</to> <from>Jani</from> <heading>Reminder</heading> Don't forget me this weekend!</pre>
		</td>
	</tr>
</table>
<p>If you select &quot;View source&quot; in the browser window, you will see the following 
HTML:</p>
<table class="ex" id="table5" border="1" cellspacing="0" width="100%">
	<tr>
		<td>
		<pre>&lt;?xml version=&quot;1.0&quot; encoding=&quot;ISO-8859-1&quot;?&gt;
&lt;note&gt;
&lt;to&gt;Tove&lt;/to&gt;
&lt;from&gt;Jani&lt;/from&gt;
&lt;heading&gt;Reminder&lt;/heading&gt;
&lt;body&gt;Don't forget me this weekend!&lt;/body&gt;
&lt;/note&gt;</pre>
		</td>
	</tr>
</table>
<p>The example above creates a DOMDocument-Object and loads the XML from &quot;note.xml&quot; 
into it.</p>
<p>Then the saveXML() function to puts the internal XML document into a string, 
so that we can print it. </p>
<hr />

<h2>Looping through XML</h2>
<p>We want to initialize the XML parser, load the XML, and loop through all elements 
of the &lt;note&gt; element:</p>
<h3><b>Example</b></h3>
<table width="100%" border="1" class="ex" cellspacing="0" id="table3">
<tr><td>
<pre>&lt;?php
$xmlDoc = new DOMDocument();
$xmlDoc-&gt;load(&quot;note.xml&quot;);</pre>
<pre>$x = $xmlDoc-&gt;documentElement;
foreach ($x-&gt;childNodes AS $item)
  {
  print $item-&gt;nodeName . &quot; = &quot; . $item-&gt;nodeValue . &quot;&lt;br /&gt;&quot;;
  }
?&gt;</pre>
</td></tr></table>
<p>The output of the code above will be:</p>
<table class="ex" id="table4" border="1" cellspacing="0" width="100%">
	<tr>
		<td>
		<pre>#text = 
to = Tove
#text = 
from = Jani
#text = 
heading = Reminder
#text = 
body = Don't forget me this weekend!
#text = </pre>
		</td>
	</tr>
</table>
<p>In the example above you see that there are empty text nodes between each 
element.</p>
<p>When XML generates, it often contains white-spaces between the nodes. The XML 
DOM parser treats these as ordinary elements, and if you are not aware of them, 
they sometimes cause problems.</p>
<hr />

<p>If you want to learn more about the XML DOM, please visit our
<a href="../dom/default.asp">XML DOM tutorial</a>.</p>
<hr />

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