php xml 转换成 数组
/***
* 将xml转为数组
* @param string $xml xml字符串
* @param string $version xml版本
* @param string $charset xml编码
*/
function xmlToArray($xml, $version="1.0", $charset="utf-8"){
$doc = new DOMDocument ("1.0", $charset);
$doc->loadXML ($xml);
$result = domNodeToArray($doc);
if(isset($result['#document'])){
$result = $result['#document'];
}
return $result;
}
/**
*
* 将domNode转为数组
* @param DOMNode $oDomNode
*/
function domNodeToArray(DOMNode $oDomNode = null) {
// return empty array if dom is blank
if (! $oDomNode->hasChildNodes ()) {
$mResult = $oDomNode->nodeValue;
} else {
$mResult = array ();
foreach ( $oDomNode->childNodes as $oChildNode ) {
// how many of these child nodes do we have?
// this will give us a clue as to what the result structure should be
$oChildNodeList = $oDomNode->getElementsByTagName ( $oChildNode->nodeName );
$iChildCount = 0;
// there are x number of childs in this node that have the same tag name
// however, we are only interested in the # of siblings with the same tag name
foreach ( $oChildNodeList as $oNode ) {
if ($oNode->parentNode->isSameNode ( $oChildNode->parentNode )) {
$iChildCount ++;
}
}
$mValue = domNodeToArray ( $oChildNode );
$sKey = ($oChildNode->nodeName {0} == '#') ? 0 : $oChildNode->nodeName;
$mValue = is_array ( $mValue ) ? $mValue [$oChildNode->nodeName] : $mValue;
// how many of thse child nodes do we have?
if ($iChildCount > 1) { // more than 1 child - make numeric array
$mResult [$sKey] [] = $mValue;
} else {
$mResult [$sKey] = $mValue;
}
}
// if the child is <foo>bar</foo>, the result will be array(bar)
// make the result just 'bar'
if (count ( $mResult ) == 1 && isset ( $mResult ) && ! is_array ( $mResult )) {
$mResult = $mResult ;
}
}
// get our attributes if we have any
$arAttributes = array ();
if ($oDomNode->hasAttributes ()) {
foreach ( $oDomNode->attributes as $sAttrName => $oAttrNode ) {
// retain namespace prefixes
$arAttributes ["@{$oAttrNode->nodeName}"] = $oAttrNode->nodeValue;
}
}
// check for namespace attribute - Namespaces will not show up in the attributes list
if ($oDomNode instanceof DOMElement && $oDomNode->getAttribute ( 'xmlns' )) {
$arAttributes ["@xmlns"] = $oDomNode->getAttribute ( 'xmlns' );
}
if (count ( $arAttributes )) {
if (! is_array ( $mResult )) {
$mResult = (trim ( $mResult )) ? array ($mResult ) : array ();
}
$mResult = array_merge ( $mResult, $arAttributes );
}
$arResult = array ($oDomNode->nodeName => $mResult );
return $arResult;
}
示例：
<?xml version="1.0"?>
<root>
<User>
<UserGUID>123456</UserGUID>
<NickName>aaa@163.com</NickName>
</User>
</root>
转换成数组后的形式是：
Array
(
=> Array
(
=> Array
(
=> 123456
=> aaa@163.com
)
)
)
http://huangqiqing123.iteye.com/blog/1738839
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