http://suritam9.woweb.net/www/php/zb41/view.php?id=php&page=1&sn1=&divpage=1&sn=off&ss=on&sc=on&select_arrange=headnum&desc=asc&no=27

위의 url을 참고

function fof_update_feed($url)
{
   global $FOF_FEED_TABLE, $FOF_ITEM_TABLE;

   if(!$url) return 0;

   $rss = fetch_rss( $url );

   if(!$rss)
   {
      print "Error: <B>" . magpie_error() . "</b> ";
      print "<a href="http://feeds.archive.org/validator/check?url=$url">try to validate it?</a> ";
      return 0;
   }

   $title = mysql_escape_string($rss->channel['title']);
   $link = $rss->channel['link'];
   $description = mysql_escape_string($rss->channel['description']);
   $safeurl = mysql_escape_string( $url );
   $result = fof_do_query("select id, url from $FOF_FEED_TABLE where url='$safeurl'");

   $row = mysql_fetch_array($result);
   $feed_id = $row['id'];

   $items = $rss->items;

   foreach ($items as $item)
   {
      $link = mysql_escape_string($item['link']);
      $title = mysql_escape_string($item['title']);
      $content = mysql_escape_string($item['description']);

      if($item['content']['encoded'])
      {
         $content = mysql_escape_string($item['content']['encoded']);
      }

      if($item['atom_content'])
      {
         $content = mysql_escape_string($item['atom_content']);
      }

      $dcdate = mysql_escape_string($item['point']['x']);
      $dccreator = mysql_escape_string($item['author']);
      $dcsubject = mysql_escape_string($item['address']);

      if(!$link)
      {
         $link = $item['guid'];
      }

      if(!$title)
      {
         $title = "[no title]";
      }

      $result = fof_do_query("select id from $FOF_ITEM_TABLE where feed_id='$feed_id' and link='$link'");
      $row = mysql_fetch_array($result);
      $id = $row['id'];

      if(mysql_num_rows($result) == 0)
      {
         $n++;
         $sql = "insert into $FOF_ITEM_TABLE (feed_id,link,title,content,dcdate,dccreator,dcsubject) values ('$feed_id','$link','$title','$content','$dcdate','$dccreator','$dcsubject')";
         $result = fof_do_query($sql);
      }
      else
      {
         $ids[] = $id;
      }

   }

   if(defined('FOF_KEEP_DAYS'))
   {
      $keep_days = FOF_KEEP_DAYS;

      if(count($ids) != 0)
      {
         $first = 1;

         foreach ($ids as $id)
         {
            if($first)
            {
               $stat = "($id";
               $first = 0;
            }
            else
            {
               $stat .= ", $id";
            }
         }

         $stat .= ")";

         $sql =  "delete from $FOF_ITEM_TABLE where feed_id = $feed_id and `read`=1 and id not in $stat and to_days( CURDATE(  )  )  - to_days( timestamp )  > $keep_days";

         fof_do_query($sql);
      }
   }

   return $n;
}