array_to_xml.php

Xml.php

<?php



class Yangutu_Util_Xml
{

	public static function arrayToXml(array $array, $attrTypeMap = array(), $returnAsString = true)
	{
		$xml = new SimpleXMLElement("<?xml version=\"1.0\"?><transaction></transaction>");

		$xml = self::_makeXml($array, $xml, $attrTypeMap);

		return $returnAsString ? $xml->asXML() : $xml;
	}

	private static function _makeXml(array $arr, SimpleXMLElement $xml, $attrTypeMap = array(), $path = '')
	{
	    foreach ($arr as $k => $v)
	    {
	    	$pathNew = $path.($path=='' ? '' : '.').$k;

	        if (is_array($v))
	        {
	        	$elm = $xml->addChild($k);

	        	self::_applyAttributes($elm, $pathNew, $attrTypeMap);

				self::_makeXml($v, $elm, $attrTypeMap, $pathNew);
	        }
	        else
	        {
	        	$elm = $xml->addChild($k, $v);

	        	self::_applyAttributes($elm, $pathNew, $attrTypeMap);
	        }
	    }

	    return $xml;
	}

	private static function _applyAttributes(SimpleXMLElement $elm, $path, array $attrTypeMap)
	{
      	if (isset($attrTypeMap[$path]))
        {
            foreach ($attrTypeMap[$path] as $attr => $value)
        	{
        		$elm->addAttribute($attr, $value);
        	}
        }
	}
}