PHP 获取taobao与百度搜索下拉框内容

$abcs = mb_convert_encoding(trim($_POST["key"]),"utf-8","gb2312");           //接收传送过来的关键值
$skey = file_get_contents("http://suggestion.baidu.com/su?wd=".urlencode($abcs)."");        //访问百度页面

preg_match('/＼[(.*?)＼]/',$skey,$m);    //通过正则去掉
$s = explode(',',$m[1]);   
foreach($s as $k=>$v){
 $s[$k] = substr($v,1,-1);
}
var_dump($s);        //输出