/**
* Convert a DOM node to an intermediate nested array
* representation that can be iterated
*
* @param DOMNode $node DOM node to convert
*/
private static function xmlNodeToArray($node)
{
$result = array();
$children = $node->childNodes;
if (!empty($children)) {
for ($i = 0; $i < (int) $children->length; $i++) {
$child = $children->item($i);
if ($child !== null) {
if ($child->childNodes->item(0) instanceof \DOMText) {
$result[$i]['name'] = $child->nodeName;
$result[$i]['text'] = $child->childNodes->item(0)->nodeValue;
if ($child->hasAttributes()) {
foreach ($child->attributes as $k => $v) {
if ($v->namespaceURI != 'http://www.w3.org/2001/XMLSchema-instance') {
$result[$i]['attributes'][$v->name] = $v->value;
}
}
}
} else {
if (!in_array($child->nodeName, $result)) {
$result[$i]['name'] = $child->nodeName;
$result[$i]['children'] = PPUtils::xmlNodeToArray($child);
if ($child->hasAttributes()) {
$attrs = $child->attributes;
foreach ($attrs as $k => $v) {
if ($v->namespaceURI != 'http://www.w3.org/2001/XMLSchema-instance') {
$result[$i]['attributes'][$v->name] = $v->value;
}
}
}
}
}
}
}
}
return $result;
}
