修改xml文件值的问题
我想改变question为22222的值，这个值是在前台传入的，不过我不知道应该如何传，应该如何操作了？最好是用DOMDocument类来操作
<?xml version="1.0" encoding="utf-8"?><br>
<parent><br>
<title>3</title><br>
<author>admin</author><br>
<contentall><br>
<subject><br>
<question>111111</question><br>
<option>
<br>
<oid>A</oid><br>
<content>11</content><br>
</option>
<br>
<option>
<br>
<oid>B</oid><br>
<content>22</content><br>
</option>
<br>
<option>
<br>
<oid>C</oid><br>
<content>33</content><br>
</option>
<br>
<option>
<br>
<oid>D</oid><br>
<content>44</content><br>
</option>
<br>
</subject><br>
<subject><br>
<question>22222</question><br>
<option>
<br>
<oid>A</oid><br>
<content>22</content><br>
</option>
<br>
<option>
<br>
<oid>B</oid><br>
<content>11</content><br>
</option>
<br>
<option>
<br>
<oid>C</oid><br>
<content>44</content><br>
</option>
<br>
<option>
<br>
<oid>D</oid><br>
<content>33</content><br>
</option>
<br>
</subject><br>
<subject><br>
<question>33333</question><br>
<option>
<br>
<oid>A</oid><br>
<content>444</content><br>
</option>
<br>
<option>
<br>
<oid>B</oid><br>
<content>222</content><br>
</option>
<br>
<option>
<br>
<oid>C</oid><br>
<content>333</content><br>
</option>
<br>
<option>
<br>
<oid>D</oid><br>
<content>2111</content> <div class="clear">
</div>
</option></subject></contentall></parent>
