<?php
class PMXI_ArrayToXML
{
/**
* The main function for converting to an XML document.
* Pass in a multi dimensional array and this recrusively loops through and builds up an XML document.
*
* @param array $data
* @param string $rootNodeName - what you want the root node to be - defaultsto data.
* @param SimpleXMLElement $xml - should only be used recursively
* @return string XML
*/
public static function toXml($data, $rootNodeName = 'data', $xml=null, $lvl = 0)
{
$data = apply_filters('wp_all_import_json_to_xml', $data);
if ($xml == null)
{
$xml = simplexml_load_string('<?xml version="1.0" encoding="utf-8"?><'.$rootNodeName .'/>');
}
if ( !empty($data)){
// loop through the data passed in.
foreach($data as $key => $value)
{
// no numeric keys in our xml please!
if (!$key or is_numeric($key))
{
// make string key...
$key = "item_" . $lvl;
}
// replace anything not alpha numeric
// preg_replace('/^[0-9]+/i', '', preg_replace('/[^a-z0-9_]/i', '', $key))
$key = preg_replace('/[^a-z0-9_]/i', '', $key);
if ($key && is_numeric($key[0])) $key = 'v' . $key;
// if there is another array found recrusively call this function
if (is_array($value) or is_object($value))
{
$node = $xml->addChild($key);
// recrusive call.
PMXI_ArrayToXML::toXml($value, $rootNodeName, $node, $lvl + 1);
}
else
{
// add single node.
$value = htmlspecialchars(preg_replace('/[^\x{0009}\x{000a}\x{000d}\x{0020}-\x{D7FF}\x{E000}-\x{FFFD}]+/u', ' ', $value));
$xml->addChild($key, $value);
}
}
}
// pass back as string. or simple xml object if you want!
return $xml->asXML();
}
}