在PHP中處理xml文件
<?php$xml = simplexml_load_file('Messages.xml');
//$xml = simplexml_load_string('Messages.xml');
//可以使用属性的方式访问子节点，通过节点的标签名可直接得到节点的内容
//节点的属性与值被封装成为关联数组的键与值
echo 'msg_size == '.sizeof($xml->msg).'<br>';
echo 'id == '.$xml->msg['id'].'<br>';
echo "title == ".$xml->msg->title.'<br />';
foreach ($xml->msg->reply as $reply){
echo $reply['id'];
}
//children 方法得到所有子节点
foreach ($xml->msg->children() as $field){
echo $field.'<br>';
}
//設值
$xml->msg->content = 'AAAAAAAAA';
//保存,如果參數為為空，即保存當前的XML
$xml->asXML('MessagesNew.xml');
?>
<?xml version='1.0' standalone='yes'?>
<Messages>
<msg id='1'>
<title>This is Title</title>
<content>Here is Content</content>
<time>2008-03-20 21:50:23</time>
<reply id='11'>reply 1</reply>
<reply id='12'>reply 2</reply>
</msg>
<msg id='2'>
<title>This is Title2</title>
<content>Here is Content</content>
<time>2008-03-20 21:50:23</time>
<reply id='11'>reply 1</reply>
<reply id='12'>reply 2</reply>
</msg>
</Messages>
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