php 获取百度的热词数据的代码

<?php 
/** 
* 获取百度的热词 
* @user 小杰 
* @from http://www.isharey.com/?p=354 
* @return array 返回百度的热词数据(数组返回) 
*/ 
function getBaiduHotKeyWord() 
{ 
$templateRss = file_get_contents('http://top.baidu.com/rss_xml.php?p=top10'); 
If (preg_match('/<table>(.*)<\/table>/is', $templateRss, $_description)) { 
$templateRss = $_description [0]; 
$templateRss = str_replace("&", "&", $templateRss); 
} 
$templateRss = "<?xml version=\"1.0\" encoding=\"GBK\"?>" . $templateRss; 
$xml = simplexml_load_String($templateRss); 
foreach ($xml->tbody->tr as $temp) { 
if (!empty ($temp->td->a)) { 
$keyArray [] = trim(($temp->td->a)); 
} 
} 
return $keyArray; 
} 
print_r(getBaiduHotKeyWord());