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POiterating over unknown XML structure with PHP (DOM)
 

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    <p>I want to write a function that parses a (theoretically) unknown XML data structure into an equivalent PHP array. </p> <p>Here is my sample XML:</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;content&gt; &lt;title&gt;Sample Text&lt;/title&gt; &lt;introduction&gt; &lt;paragraph&gt;This is some rudimentary text&lt;/paragraph&gt; &lt;/introduction&gt; &lt;description&gt; &lt;paragraph&gt;Here is some more text&lt;/paragraph&gt; &lt;paragraph&gt;Even MORE text&lt;/paragraph&gt; &lt;sub_section&gt; &lt;sub_para&gt;This is a smaller, sub paragraph&lt;/sub_para&gt; &lt;sub_para&gt;This is another smaller, sub paragraph&lt;/sub_para&gt; &lt;/sub_section&gt; &lt;/description&gt; &lt;/content&gt; </code></pre> <p>I modified this DOM iterating function from devarticles:</p> <pre><code>$data = 'path/to/xmldoc.xml'; $xmlDoc = new DOMDocument(); #create a DOM element $xmlDoc-&gt;load( $data ); #load data into the element $xmlRoot = $xmlDoc-&gt;firstChild; #establish root function xml2array($node) { if ($node-&gt;hasChildNodes()) { $subNodes = $node-&gt;childNodes; foreach ($subNodes as $subNode) { #filter node types if (($subNode-&gt;nodeType != 3) || (($subNode-&gt;nodeType == 3))) { $arraydata[$subNode-&gt;nodeName]=$subNode-&gt;nodeValue; } xml2array($subNode); } } return $arraydata; } //The getNodesInfo function call $xmlarray = xml2array($xmlRoot); // print the output - with a little bit of formatting for ease of use... foreach($xmlarray as $xkey) { echo"$xkey&lt;br/&gt;&lt;br/&gt;"; } </code></pre> <p>Now, because of the way I'm passing the elements to the array I'm overwriting any elements that share a node name (since I ideally want to give the keys the same names as their originating nodes). My recursion isn't great... However, even if I empty the brackets - the second tier of nodes are still coming in as <em>values</em> on the first tier (see the text of the description node).</p> <p>Anyone got any ideas how I can better construct this?</p>
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