parser = xml_parser_create();
xml_set_object($this->parser,$this);
xml_parser_set_option($this->parser,XML_OPTION_CASE_FOLDING, 0);
xml_set_element_handler($this->parser,"tag_open","tag_close");
xml_set_character_data_handler($this->parser,"cdata");
$this->path="";
$this->tree=array();
xml_parse($this->parser,$data);
}
function tag_open($parser,$tag,$attributes) {
if ($tag=='entry')
{
$this->entry[$this->entryidx]=array();
$this->entry[$this->entryidx]['attributes']=$attributes;
}
if (strlen($this->path))
$this->path=$this->path."/".strtolower($tag);
else
$this->path=strtolower($tag);
if ($this->path=='feed/entry/title')
{
$this->entry[$this->entryidx]['title']='';
}
if ($this->path=='feed/entry/summary')
{
$this->entry[$this->entryidx]['summary']='';
}
if ($this->path=='feed/entry/link')
{
$this->entry[$this->entryidx]['url']=$attributes['href'];
}
if ($this->path=='feed/entry/source/title')
{
$this->entry[$this->entryidx]['source']='';
}
if ($this->path=='feed/entry/source/link')
{
$this->entry[$this->entryidx]['sourceurl']=$attributes['href'];
}
}
function cdata($parser,$cdata) {
if ($this->path=='feed/entry/title')
{
$this->entry[$this->entryidx]['title'].=$cdata;
}
if ($this->path=='feed/entry/summary')
{
$this->entry[$this->entryidx]['summary'].=$cdata;
}
if ($this->path=='feed/entry/source/title')
{
$this->entry[$this->entryidx]['source'].=$cdata;
}
}
function tag_close($parser,$tag) {
$len=strlen($this->path) - (strlen($tag) + 1);
$this->path=substr($this->path, 0, $len);
if ($tag=='entry')
{
$this->entryidx++;
}
}
function get_tag($path)
{
return $this->tree[strtolower($path)];
}
}
//returns path to cached HTML
function widget_lordelph_rss_cachefile($number)
{
return "/tmp/lordelph_rss_{$number}.html";
}
function widget_lordelph_rss($args, $number = 1) {
extract($args);
$options = get_option('lordelph_rss');
if ( isset($options['error']) && $options['error'] )
return;
$num_items = (int) $options[$number]['items'];
$show_summary = $options[$number]['show_summary'];
if ( empty($num_items) || $num_items < 1 || $num_items > 10 ) $num_items = 10;
$url = $options[$number]['url'];
while ( strstr($url, 'http') != $url )
$url = substr($url, 1);
if ( empty($url) )
return;
$count=$options[$number]['items'];
//do we have a cached file?
$cache=widget_lordelph_rss_cachefile($number);
$mtime=0;
if (file_exists($cache))
$mtime=filemtime($cache);
$age=time()-$mtime;
//cache for 4 hours
if ($age>(3600*4))
{
$xml=file_get_contents($url);
if (strlen($xml))
{
//parse it
$parser=new XMLParser;
$parser->parse($xml);
//create output
$output='';
//save output in cache
$fp=fopen($cache, 'w');
fwrite($fp, $output);
fclose($fp);
}
}
else
{
$output=file_get_contents($cache);
}
//we we go
$title=$options[$number]['title'];
echo $before_widget;
$title ? print($before_title . $title . $after_title) : null;
echo $output;
echo $after_widget;
return;
}
function widget_lordelph_rss_control($number=1) {
$options = $newoptions = get_option('lordelph_rss');
if ( $_POST["lordelph-rss-submit-$number"] ) {
$newoptions[$number]['items'] = (int) $_POST["lordelph-rss-items-$number"];
$url = clean_url(strip_tags(stripslashes($_POST["lordelph-rss-url-$number"])));
$newoptions[$number]['title'] = trim(strip_tags(stripslashes($_POST["lordelph-rss-title-$number"])));
$newoptions[$number]['summary'] = trim(strip_tags(stripslashes($_POST["lordelph-rss-summary-$number"])));
if ( $url !== $options[$number]['url'] ) {
require_once(ABSPATH . WPINC . '/rss.php');
$rss = fetch_rss($url);
if ( is_object($rss) ) {
$newoptions[$number]['url'] = $url;
$newoptions[$number]['error'] = false;
} else {
$newoptions[$number]['error'] = true;
$newoptions[$number]['url'] = wp_specialchars(__('Error: could not find an RSS or ATOM feed at that URL.'), 1);
$error = sprintf(__('Error in RSS %1$d: %2$s'), $number, $newoptions[$number]['error']);
}
}
//flush the cache too
$cache=widget_lordelph_rss_cachefile($number);
if (file_exists($cache))
unlink($cache);
}
if ( $options != $newoptions ) {
$options = $newoptions;
update_option('lordelph_rss', $options);
}
$url = attribute_escape($options[$number]['url']);
$items = (int) $options[$number]['items'];
$title = attribute_escape($options[$number]['title']);
$summary = attribute_escape($options[$number]['summary']);
if ( empty($items) || $items < 1 ) $items = 10;
?>
" name="lordelph-rss-url-" type="text" value="" />
" name="lordelph-rss-title-" type="text" value="" />
" name="lordelph-rss-summary-" type="text" value="" />
" name="lordelph-rss-submit-" value="1" />
';
$output.=$options[$number]['summary'].'