improved caching/parsing XML with SimpleXML

Source code

1  <?php include('./.config.php');
2 
3 require('Cache/Lite/Output.php');
4 $id = 'yahoo.oddlyenough.simpleXML';
5 
6 $options = array(
7     'cacheDir' => './cache/',
8     'lifeTime' => 3600    // 1 hour
9 );
10 $cache = new Cache_Lite_Output($options);
11 
12 if (strcasecmp($_SERVER['QUERY_STRING'],'remove')==0) {
13     $cache->remove($id)    ;exit("cache purged");
14 }
15 
16 if (!($cache->start($id))) {
17  
18     include('./.fetch_xml_with_socket.php5');
19 
20     if ($rss = simplexml_load_string(@fetchRss("rss.news.yahoo.com","/rss/oddlyenough"))) {
21         foreach ($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         $cache->end(); // the buffered output is now stored into a cache file
30         echo "<p>......used fresh data and cached it........</p>";
31 
32     } else { // it failed for some reason
33 
34         echo "<p>rss feed not available</p>";
35     }
36     
37 } else {
38 
39     echo  "<p>.... and I got it from the cache, how cool is that? (-:</p>" ;
40 }
41 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.improved.php5 on line 3

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.improved.php5 on line 3