/**
* Convert an xml tree to an associative array, supporting also duplicate keys
*
* @input $data give always an empty array
* @input &$tags declarative array generated from xml_parse_into_struct()
* @returns $data associative array
*/
public static function parse_array($data, &$tags, $force_multiple = array())
{
do {
if (is_array($tags)) {
$entry = array_shift($tags);
} else {
return array();
}
if (isset($entry["tag"])) {
$tag = $entry["tag"];
}
if (isset($entry["type"])) {
$type = $entry["type"];
}
if (isset($entry["value"])) {
$value = $entry["value"];
} else {
$value = '';
}
//just add value
if ($type == 'complete') {
$data[$tag] = $value;
}
//open new tag
if ($type == 'open') {
if (isset($data[$tag])) {
//if array is associative, it means it's not a collection of nodes with the same name
if (EXmlParser::is_assoc($data[$tag])) {
$prev = $data[$tag];
$new = EXmlParser::parse_array(array(), $tags, $force_multiple);
$data[$tag] = array();
$data[$tag][] = $prev;
$data[$tag][] = $new;
} else {
//it's already a collection
$new = EXmlParser::parse_array(array(), $tags, $force_multiple);
$data[$tag][] = $new;
}
} else {
if (is_array($force_multiple) and in_array($tag, $force_multiple)) {
$data[$tag] = array();
$data[$tag][] = EXmlParser::parse_array($data[$tag], $tags, $force_multiple);
} else {
$data[$tag] = array();
$data[$tag] = EXmlParser::parse_array($data[$tag], $tags, $force_multiple);
}
}
}
//close tags
if ($type == 'close') {
return $data;
}
} while (count($tags) > 0);
return $data;
}
