caching/parsing XML with SimpleXML

Source code

1  <?php include('./.config.php');
2 require('Cache/Lite/Output.php');
3 $id = 'yahoo.oddlyenough.simpleXML';
4 
5 $options = array(
6     'cacheDir' => './cache/',
7     'lifeTime' => 3600    // 1 hour
8 );
9 $cache = new Cache_Lite_Output($options);
10 
11 if (strcasecmp($_SERVER['QUERY_STRING'],'remove')==0) {
12     $cache->remove($id)    ;
13     exit("cache purged");
14 }
15 
16 if (!($cache->start($id))) {
17  
18     include('./.fetch_xml_with_socket.php5');
19     $rss = simplexml_load_string(fetchRss("rss.news.yahoo.com","/rss/oddlyenough"));
20 
21     foreach ($rss->channel->item as $item) {
22 
23         printf('<p><strong><a href="%s">%s</a></strong><br />%s</p>',
24         $item->link,
25         $item->title,
26         $item->description);
27 
28     }
29 
30     $cache->end(); // the buffered output is now stored into a cache file
31     echo "<p>......used fresh data.........</p>";
32 
33 } else {
34     
35     echo "<p>.... and I got it from the cache, how cool is that? (-:</p>    " ;
36 }
37 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/simpleXML_rss_cached.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/simpleXML_rss_cached.php5 on line 2