caching/parsing XML with DOM

Source code

1  <?php include('./.config.php');
2 require('Cache/Lite/Output.php');
3 $id = 'yahoo.oddlyenough.DOM';
4 
5 $cache = new Cache_Lite_Output( array(
6     'cacheDir' => './cache/',  'lifeTime' => 3600   
7 ));
8 
9 if (strcasecmp($_SERVER['QUERY_STRING'],'remove')==0) {
10     $cache->remove($id)    ;
11     exit("cache purged");
12 }
13 
14 if (!($cache->start($id))) {
15  
16     include('./.fetch_xml_with_socket.php5');
17     $data = fetchRss("rss.news.yahoo.com","/rss/oddlyenough");
18     $dom = DOMDocument::loadXML($data);
19 
20     foreach ($dom->getElementsByTagname('item') as $item) {
21 
22         // get the title node
23         $title = $item->getElementsByTagname('title');
24         // and its text value
25         $title_text_value = $title->item(0)->firstChild->nodeValue;
26 
27         // ditto for the description
28         $description = $item->getElementsByTagname('description');
29         $description_text_value = $description->item(0)->firstChild->nodeValue;
30 
31         // convenience before legibility:  grab the link in one line
32         $link = $item->getElementsByTagname('link')->item(0)->firstChild->nodeValue;
33 
34         print "<p><a href=\"$link\">$title_text_value</a><br />$description_text_value</p>\n";    
35     }
36 
37     $cache->end(); // the buffered output is now stored into a cache file
38     echo "<p>......used fresh data......... </p>";
39 
40 } else {
41     echo "<p>.... and I got it from the cache, how cool is that? (-:</p>    " ;
42 }
43 include('./.footer.php')?>

Output

Warning: require(Cache/Lite/Output.php) [function.require]: failed to open stream: No such file or directory in /home/davidmintz/www/davidmintz.org/php_course/examples/10/cached_rss_with_DOM.php5 on line 2

Fatal error: require() [function.require]: Failed opening required 'Cache/Lite/Output.php' (include_path='/usr/home/dmintz/inc/pear:.:/usr/local/lib/php:/usr/local/php5/lib/pear') in /home/davidmintz/www/davidmintz.org/php_course/examples/10/cached_rss_with_DOM.php5 on line 2