php 获取百度的热词数据的代码

/**
* 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>/is', $templateRss, $_description)) {
$templateRss = $_description [0];
$templateRss = str_replace("&", "&", $templateRss);
}
$templateRss = "" . $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());