php 生成xml代码

php 生成xml代码class XMLParser {

function getChildren($vals, &$i) {

$children = array();
if(isset($vals[$i]['value'])) {
$children['VALUE'] = $vals[$i]['value'];
}

while(++$i switch($vals[$i]['type']) {

case 'cdata':
if(isset($children['VALUE'])) {
$children['VALUE'] .= $vals[$i]['value'];
} else {
$children['VALUE'] = $vals[$i]['value'];
}
break;

case 'complete':
if(isset($vals[$i]['attributes'])) {
$children[$vals[$i]['tag']][]['ATTRIBUTES'] = $vals[$i]['attributes'];
$index = count($children[$vals[$i]['tag']]) - 1;

if(isset($vals[$i]['value'])) {
$children[$vals[$i]['tag']][$index]['VALUE'] = $vals[$i]['value'];
} else {
$children[$vals[$i]['tag']][$index]['VALUE'] = '';
}
} else {
if(isset($vals[$i]['value'])) {
$children[$vals[$i]['tag']][]['VALUE'] = $vals[$i]['value'];
} else {
$children[$vals[$i]['tag']][]['VALUE'] = '';
}
}
break;

case 'open':
if(isset($vals[$i]['attributes'])) {
$children[$vals[$i]['tag']][]['ATTRIBUTES'] = $vals[$i]['attributes'];
$index = count($children[$vals[$i]['tag']]) - 1;
$children[$vals[$i]['tag']][$index] = array_merge($children[$vals[$i]['tag']][$index], $this->getChildren($vals, $i));
} else {
$children[$vals[$i]['tag']][] = $this->GetChildren($vals, $i);
}
break;

case 'close':
return $children;
}
}
}

function getXMLTree($data) {

$parser = xml_parser_create('UTF-8');
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 0);
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
xml_parse_into_struct($parser, $data, $vals, $index);
xml_parser_free($parser);

$tree = array();
$i = 0;

if(isset($vals[$i]['attributes'])) {
$tree[$vals[$i]['tag']][]['ATTRIBUTES'] = $vals[$i]['attributes'];
$index = count($tree[$vals[$i]['tag']]) - 1;
$tree[$vals[$i]['tag']][$index] = array_merge($tree[$vals[$i]['tag']][$index], $this->getChildren($vals, $i));
} else {
$tree[$vals[$i]['tag']][] = $this->getChildren($vals, $i);
}
return $tree;
}
}

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