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function arr2xml($data, $rootNodeName = 'response', $xml = null) {
if ($xml == null) {
$xml = simplexml_load_string("<$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_0-9]/i', '', $key);
// if there is another array found recrusively call this function
if (is_array($value)) {
$node = $xml->addChild($key);
// recrusive call.
arr2xml($value, $rootNodeName, $node);
} else {
// add single node.
$value = $value;
$xml->addChild($key,$value);
}
}
// pass back as string. or simple xml object if you want!
$res = substr($xml->asXML(), 22);
return $res;
}
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