class RSS {
//public
$RSS_ver = "2.0";
$channel_title = '';
$channel_link = '';
$channel_description = '';
$language = 'zh_cn';
$copyright = '';
$webmaster = '';
$pubdate = '';
$lastbuilddate = '';
$generator = 'redfox RSS generator';

$content = '';
$items = array();

function RSS($title,$link,$description) {
$this->channel_title = $title;
$this->channel_link = $link;
$this->channel_description = $description;
$this->pubdate = date('y-m-d h:i:s',time());
$this->lastbuilddate = date('y-m-d h:i:s',time());
}

function additem($title,$description,$pubdate) {
$this->items[] = array('titile' => $title,
'link' => $link,
'description' => $description,
'pubdate' => $pubdate);
}

function buildRSS() {
$s = " ";
// start channel
$s .= " ";
$s .= " "
$s .= "{$this->channel_link} ";
$s .= "{$this->channel_description} ";
$s .= "{$this->language} ";
if (!emptyempty($this->copyright)) {
$s .= "{$this->copyright} ";
}
if (!emptyempty($this->webmaster)) {
$s .= "{$this->webmaster} ";
}
if (!emptyempty($this->pubdate)) {
$s .= "{$this->pubdate} ";
}

if (!emptyempty($this->lastbuilddate)) {
$s .= "{$this->lastbuilddate} ";
}

if (!emptyempty($this->generator)) {
$s .= "{$this->generator} ";
}

// start items
for ($i=0;$iitems),$i++) {
$s .= " ";
$s .= " ";
$s .= "{$this->items[$i]['link']} ";
$s .= "items[$i]['description']}]]> ";
$s .= "{$this->items[$i]['pubdate']} ";
$s .= " ";
}

// close channel
$s .= " ";
$this->content = $s;
}

function show() {
if (emptyempty($this->content)) $this->buildRSS();
header('content-type:text/xml');
echo($this->content);
}

function savetofile($fname) {
if (emptyempty($this->content)) $this->buildRSS();
$handle = fopen($fname,'wb');
if ($handle === false) return false;
fwrite($handle,$this->content);
fclose($handle);
}
}
?>