请教大神数组转XML格式问题
<br />
<?xml version="1.0" encoding="utf-8"?><br />
<nodes><br />
<node id="c5569e2c-0f4a-4ec2-86ba-736b79eca18c" name="A公司"<br />
type="0"><br />
<node id="4f2b55e9-e10a-496b-8bca-60e6f26daee5" name="部门1" type="1"><br />
<node id="363" name="叶子1" type="2" playurl="http://XXXXXXX363" /><br />
</node><br />
<node id="0c5ce42f-ba31-4b7a-8173-79ecae4a73ca" name="部门2" type="1"><br />
<node id="241" name="叶子1" type="2" playurl="http://xxxxx=241" /><br />
<node id="356" name="叶子1" type="2" playurl="xxxxxxxxx=356" /><br />
</node><br />
</node><br />
</nodes><br />
<br />
function arrayToXml($arr, $xmlDoc = 0, $item = 0)<br />
{<br />
/*判断是否已为xml*/<br />
if (!$xmlDoc)<br />
{<br />
$xmlDoc = new DOMDocument("1.0");<br />
}<br />
/*判断是否为子节点*/<br />
if (!$item)<br />
{<br />
$item = $xmlDoc->createElement("nodes","UTF-8");<br />
$xmlDoc->appendChild($item);<br />
}<br />
/*将数组数据按“键=>值”方式，循环取出并写入dom树*/<br />
foreach ($arr as $key=>$val)<br />
{<br />
/*增加子节点名和值*/<br />
$itemX = $xmlDoc->createElement(is_string($key) ? $key:"node");<br />
$item->appendChild($itemX);<br />
/*如果数组内某一元素的值也是数组，则进行递归*/<br />
if (!is_array($val))<br />
{<br />
$text = $xmlDoc->createTextNode($val);<br />
$itemX->appendChild($text);<br />
}<br />
else<br />
{<br />
$this->arrayToXml($val,$xmlDoc,$itemX); //在类中调用需加$this-><br />
}<br />
}<br />
return $xmlDoc->saveXML(); //返回xml数据，可以把返回数据直接写入*.xml文件即可生成xml文件<br />
}<br />
$ar = array(<br />
array( 'id' => "c5569e2c-0f4a-4ec2-86ba-736b79eca18c", 'name' => "A公司", 'type' => "0",<br />
array( 'id' => "4f2b55e9-e10a-496b-8bca-60e6f26daee5", 'name' => "部门1", 'type' => "1",<br />
array( 'id' => "363", 'name' => "叶子1", 'type' => "2", 'playurl' => "http://XXXXXXX363"),<br />
),<br />
array( 'id' => "0c5ce42f-ba31-4b7a-8173-79ecae4a73ca", 'name' => "部门2", 'type' => "1",<br />
array( 'id' => "241", 'name' => "叶子1", 'type' => "2", 'playurl' => "http://xxxxx=241"),<br />
array( 'id' => "356", 'name' => "叶子1", 'type' => "2", 'playurl' => "xxxxxxxxx=356"),<br />
),<br />
)<br />
);<br />
$xml = simplexml_load_string('<nodes/>');<br />
arrayToXml($ar, $xml);<br />
echo $xml->asXML();<br />
<br />
function arrayToXml($ar, $xml) {<br />
foreach($ar as $k=>$v) {<br />
if(is_array($v)) arrayToXml($v, $xml->addChild('node'));<br />
else $xml->addAttribute($k, $v);<br />
}<br />
}<br />
