php读取xml实例代码

<?php
classxpathExtension{
publicstaticfunctiongetNodes($domDoc,$xpathString){
$xp=newDOMXPath($domDoc);
$xp->registerNamespace("x","http://www.w3.org/1999/xhtml");
$xp->registerNamespace("xhtml","http://www.w3.org/1999/xhtml");
$xp->registerNamespace("i18n","http://apache.org/cocoon/i18n/2.1");
$ret=array();
$nodes=$xp->query($xpathString);
foreach($nodesas$node){
array_push($ret,$node);
}
return$ret;
}
}
$domDoc=newDOMDocument();
$domDoc->load("x1.xml");
$xpathString="//xml/products/product/description";
$domNodeList=xpathExtension::getNodes($domDoc,$xpathString);
//echocount($domNodeList);
foreach($domNodeListas$domNode){
echo$domNode->nodeValue;
}
?>