naver.php for rss read

<?php
$sch = "";
if( isset($_GET['sch']) ) $sch = $_GET['sch'];
$news = "http://newssearch.naver.com/search.naver?where=rss&query={$sch}&field=0&nx_search_query=&nx_and_query=&nx_sub_query=&nx_search_hlquery=";
$xml = simplexml_load_file($news);
//var_dump($xml);
$channel = $xml->channel;
$newslist = $channel->item;
$data = array();
$no = 0;
foreach( $newslist as $news ){
    $data[$no] = array(
        'title'=> $news->title,
        'author'=>$news->author,
        'link'=>$news->link,
        'category' => $news->category,
        'pubDate' => $news->pubDate
    );
    $no++;
}
$json = json_encode($data);
echo $json;