<?xml version="1.0" encoding="utf-8" ?>
- <messages msgcount="5">
<message username="Athlan" chat_time="18:18:53">1</message>
<message username="Athlan" chat_time="21:32:34">2</message>
<message username="Athlan" chat_time="21:36:51">3</message>
<message username="Athlan" chat_time="21:37:40">4</message>
<message username="Athlan" chat_time="21:37:49">5</message>
</messages>就是想问下,php操作xml时候,我想得到第N个子节点,应该怎么弄?比如我想得到messages下的第3个message节点,可以怎么用呢?如果用$messages = $dom->getElementsByTagName("message"); 这样的话,只能用foreach $messages来遍历,又似乎很麻烦,但是又不能用$messages[3]直接访问。。
<?xml version="1.0" encoding="utf-8" ?>
<messages msgcount="5">
<message username="Athlan" chat_time="18:18:53">1</message>
<message username="Athlan" chat_time="21:32:34">2</message>
<message username="Athlan" chat_time="21:36:51">3</message>
<message username="Athlan" chat_time="21:37:40">4</message>
<message username="Athlan" chat_time="21:37:49">5</message>
</messages>
TEST;
$doc = new DOMDocument;
$doc->loadXML($strXML);
$messages = $doc->documentElement->getElementsByTagName('message'); $message = $messages->item(3);
echo $message->getAttribute("chat_time");
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