php xml to object

xml_to_object.php

<?php 

//XML to object

// http://cambiatablog.wordpress.com/2009/08/24/php-serializing-xml-to-object/

Class XmlUtils {

	public static function xmlToObject($xml, $obj = null) {
		if (!$obj) $obj = new StdClass();
		//**********************************************************
		// Create array of unique node names
		$uniqueNodeNames = array();
		foreach ($xml->children() as $xmlChild) {
			@$uniqueNodeNames[$xmlChild->getName()]++;
		}
		//**********************************************************
		// Create child types - object for single nodes, array of objects for multi nodes:
		foreach ($uniqueNodeNames as $nodeName => $nodeCount) {
			if ($nodeCount > 1) {
				$obj->$nodeName = array();
				for ($i=0; $i<$nodeCount; $i++) {
					array_push($obj->$nodeName, new StdClass());
				}
			} else {
				$obj->$nodeName = new StdClass();
			}
		}
		//**********************************************************
		// For each child node: add attributes as object properties and invoke recursion
		$arrayIdx = array();
		foreach ($xml->children() as $xmlChild) {
			$str = trim($xmlChild);
			//print_r($xmlChild->attributes());
			$nodeText = trim($xmlChild);
			$nodeName = $xmlChild->getName();
			// If child is array
			if (is_array($obj->$nodeName)) {
				$idx = (int)@$arrayIdx[$nodeName];
				$objArray = $obj->$nodeName;
				// Add attributes as object properties
				foreach($xmlChild->attributes() as $attributeType => $attributeValue) {
					$objArray[$idx]->$attributeType = (string)$attributeValue;
				}
				// If element text (e.g. <node>ElementText<node>
				if (strlen($nodeText)) $objArray[$idx]->$nodeName = $nodeText;
				// Invoke recursion
				XmlUtils::xmlToObject($xmlChild, $objArray[$idx]);
			}
			// If child is object
			if (is_object($obj->$nodeName)) {
				// Add attributes as object properties
				foreach($xmlChild->attributes() as $attributeType => $attributeValue) {
					$obj->$nodeName->$attributeType = (string)$attributeValue;
				}
				// If element text (e.g. <node>ElementText<node>
				if (strlen($nodeText)) $obj->$nodeName->$nodeName = $nodeText;
				// Invoke recursion
				XmlUtils::xmlToObject($xmlChild, $obj->$nodeName);
			}
			@$arrayIdx[$nodeName]++;
		}
		return $obj;
	}

	public static function xmlFileToObject($xmlFileName) {
		if (!file_exists($xmlFileName)) die ("XmlUtils::xmlFileToObject Error: $xmlFileName nonexistent!");
		$xml = simplexml_load_file($xmlFileName);
		return XmlUtils::xmlToObject($xml);
	}
}
//**********************************
// Example usage:
$xmlFile = 'test.xml';
$resultObj = XmlUtils::xmlFileToObject($xmlFile);