/**
* 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', $xml = null)
{
// turn off compatibility mode as simple xml throws a wobbly if you don't.
if (ini_get('zend.ze1_compatibility_mode') == 1) {
ini_set('zend.ze1_compatibility_mode', 0);
}
if ($xml == null) {
$xml = simplexml_load_string("<?xml version='1.0' encoding='utf-8'?><{$rootNodeName} />");
}
// loop through the data passed in.
foreach ($data as $key => $value) {
// no numeric keys in our xml please!
if (is_numeric($key)) {
// make string key...
$key = "unknownNode_" . (string) $key;
}
// replace anything not alpha numeric
$key = preg_replace('/[^a-z]/i', '', $key);
// if there is another array found recrusively call this function
if (is_array($value)) {
$node = $xml->addChild($key);
// recrusive call.
xml::toXml($value, $rootNodeName, $node);
} else {
// add single node.
$value = htmlentities($value);
$xml->addChild($key, $value);
}
}
// pass back as string. or simple xml object if you want!
return $xml->asXML();
}
function response($data)
{
global $ext;
//file_put_contents('log', print_r(apache_request_headers(),true).print_r($_GET,true).print_r($_POST,true)."\n".(json_encode($data))."\n-----------------------------------\n\n" ,FILE_APPEND);
switch ($ext) {
case 'xml':
die(xml::toXml($data));
case 'url':
die(http_build_query($data));
case 'json':
default:
header('Content-type: application/json');
die(json_encode($data));
}
die;
}
