Podcasts

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class rss_parser {

var $rss_url;
var $num_to_show;
var $offset; //added in version 0.4.3
var $do_update;
var $tags = array();
var $content;
var $rss = array();

var $feed_title;
var $feed_link;
var $feed_description;

var $my_html;

function rss_parser($url, $numtoshow = 10, $html = "", $update = FALSE, $offset = 1)
{
$this->rss_url = $url;
$this->num_to_show = $numtoshow;
$this->do_update = $update;
$this->my_html = preg_replace(“/(#{.*?):(.*?})/”, “\\1__\\2″, $html); //xx:xx tag workaround
$this->offset = –$offset;
$this->content = $this->fetch_feed();
$this->parse_feed();
$this->show();
}

/* string */
function fetch_feed()
{
$url_parts = parse_url($this->rss_url);

$filename = $url_parts['host'] . str_replace(“/”, “,”, $url_parts['path']) . “_” . @$url_parts['query'];
if(file_exists($this->data_directory . “/$filename”)) {
$last = filemtime($this->data_directory . “/$filename”);
if(time() – $last > $this->update_interval * 60 || $this->update_interval == 0) {
$update = 1;
}
} else {
$create= 1;
}

if($create == 1 || ($this->do_update == TRUE && $update == 1)) {
$fp = @fsockopen($url_parts['host'], 80, $errno, $errstr, 5);
if (!$fp) {
echo “Couldn’t open rss feed {$this->feed_url} in {$_SERVER['PHP_SELF']}
\n”;
return;
}

fputs($fp, “GET ” . $url_parts['path'] . “?” . @$url_parts['query'] . ” HTTP/1.0\r\n”
.”Host: ” . $url_parts['host'] . “\r\n”
.”User-Agent: Drew’s RSS Reader 0.1\r\n”
.”Connection: Close\r\n\r\n”);

while(!feof($fp)) {
$rss_data .= @fgets($fp, 1024);
}

list(, $rss_data) = explode(“\r\n\r\n”, $rss_data, 2);

$output = @fopen($this->data_directory . “/$filename”, “w+”);
if(!$output) {
return $rss_data;
} else {
flock($output, LOCK_EX);
fputs($output, $rss_data);
flock($output, LOCK_UN);
fclose($output);
}
} //update

return file_get_contents($this->data_directory . “/$filename”);
}

/* void */
function parse_feed()
{
preg_match(“/