PHP解析RSS的方法

<?php
require "XML/RSS.php";
$rss = new XML_RSS("http://php.net/news.rss");
$rss->parse();
foreach($rss->getItems() as $item) {
? print_r($item);
}
?>

<?php
$database =? "nameofthedatabase";
$dbconnect = mysql_pconnect(localhost,dbuser,dbpassword);
mysql_select_db($database,$dbconnect);
$query = "select link,headline,description from `headlines` limit 15";
$result = mysql_query($query,$dbconnect);
while ($line = mysql_fetch_assoc($result))
{
??? $return[] = $line;
}
$now = date("D,d M Y H:i:s T");
$output = "<?xml version="1.0"?>
??? <rss version="2.0">
?<channel>
???? <title>Our Demo RSS</title>
???? <link>http://www.tracypeterson.com/RSS/RSS.php</link>
???? <description>A Test RSS</description>
???? <language>en-us</language>
???? <pubDate>$now</pubDate>
???? <lastBuildDate>$now</lastBuildDate>
???? <docs>http://someurl.com</docs>
???? <managingEditor>you@youremail.com</managingEditor>
???? <webMaster>you@youremail.com</webMaster>
??? ";
foreach ($return as $line)
{
??? $output .= "<item><title>".htmlentities($line['headline'])."</title>
??????????????????? <link>".htmlentities($line['link'])."</link>
<description>".htmlentities(strip_tags($line['description']))."</description>
??????????????? </item>";
}
$output .= "</channel></rss>";
header("Content-Type: application/rss+xml");
echo $output;
?>