PHP4和PHP5版本下解析XML文档的操作方法实例分析

<?xml version="1.0" encoding="gbk"?>
<LeapsoulXML>
<LeapsoulInfo>
<name>Leapsoul-PHP网站开发</name>
<website>http://www.phperz.com</website>
<description>分享PHP网站开发与建设的乐趣,教你如何建立网站</description>
<bloger>David</bloger>
<date>2009-05-13</date>
<qq>QQ:154130270</qq>
</LeapsoulInfo>
<LeapsoulInfo>
<name>Leapsoul-PHP网站开发</name>
<website>http://www.phperz.com</website>
<description>分享PHP网站开发与建设的乐趣,教你如何建立网站</description>
<bloger>David</bloger>
<date>2009-05-13</date>
<qq>QQ:154130270</qq>
</LeapsoulInfo>
</LeapsoulXML>

$info=simplexml_load_file('leapsoulcn.xml');
print_r($info);
$name=$info->LeapsoulInfo[0]->name;
echo$name;
foreach($info->LeapsoulInfoas$LeapsoulInfo)
{
echo$LeapsoulInfo->name."<br />";
echo$LeapsoulInfo->website."<br />";
echo$LeapsoulInfo->description."<br />";
echo$LeapsoulInfo->bloger."<br />";
echo$LeapsoulInfo->date."<br />";
echo$LeapsoulInfo->qq."<br />";
}
foreach($info->xpath('//name')as$value){
echo$value.'<br />';
}
foreach($info->LeapsoulInfo[0]->children()as$value){
echo$value->getName();
echo$value.'<br />';
}
$info->LeapsoulInfo[0]->addChild('msn','MSN:davidfaithman@hotmail.com');
$info->asXML('leapsoulcn.xml');

function doStartElement($xmlParser,$name,$attr)
{
 //对开始元素的处理
}
function doEndElement($xmlParser,$name)
{
 //对结尾元素的处理
}
function doStringData($xmlParser,$data)
{
 //对元素间的字符数据的处理
}
$xmlObj = xml_parser_create("UTF-8");
xml_set_element_handler($xmlObj,"doStartElement","doEndElement");
xml_set_character_data_handler($xmlObj,"doStringData");
xml_parse($xmlObj,file_get_contents("leapsoulcn.xml"));
xml_parser_free($xmlObj);