php 取得百度最新事件

function getBaiduHotKeyWord()    {     $templateRss = file_get_contents('http://top.baidu.com/rss_xml.php?p=shijian');     If (preg_match('/<table>(.*)<\/table>/is', $templateRss, $_description)) {     $templateRss = $_description[0];     $templateRss = str_replace("&", "&", $templateRss);     }    $templateRss = "<?xml version=\"1.0\" encoding=\"GBK\"?>".trim($templateRss);    $xml = simplexml_load_String($templateRss);    foreach ($xml->tbody->tr as $temp) {     if (!empty ($temp->td->a)) {       $keyArray [] = trim(($temp->td->a));     }    }    return $keyArray;    }