SAX-parsing XML weather data

Source code

1  <?php
2 require("./.config.php");
3 require('Cache/Lite/Output.php');
4 $cache = new Cache_Lite_Output( array(
5 'cacheDir' => './cache/',  'lifeTime' => 3600
6 ));
7 $id = 'ewr_weather_data';
8 
9 if (!$cache->start($id)) {
10     // load parent class
11     require('XML/Parser.php');
12     //extend the class
13     class Weather_Parser extends XML_Parser {
14 
15         // hold character data here
16         private $cdata;
17 
18         // implement handers for opening & closing tags, and stuff in between
19         function startHandler($xp,$element,&$attribs) {
20             $this->cdata = '';
21             if ($element=='CURRENT_OBSERVATION') {
22                 echo '<table border="1" cellpadding="2" cellspacing="0">';
23                 return;
24             }
25             if ($element=='IMAGE') {return;}
26             echo "<td style=\"text-align:right;font-weight:bold\">$element&nbsp;</td>";
27         }
28 
29         function cdataHandler($xp,$data) {
30             $this->cdata .= $data;
31         }
32 
33         function endHandler($xp,$element) {
34             if ($element=='CURRENT_OBSERVATION') {echo '</table><br />';return;}
35             if ($element=='IMAGE') {return;}
36             print "<td>$this->cdata</td></tr>";
37         }
38     }
39     $ch = curl_init("http://weather.gov/data/current_obs/KEWR.xml");
40     curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
41     $xml = curl_exec($ch);
42     curl_close($ch);
43     $parser  = new Weather_Parser();
44     //$fh = fopen('./weather_data.xml','r') or die('shit');
45     //$parser->setInputFile($fh)
46     //$parser->parse();
47     $parser->parseString($xml);
48     $cache->end();
49 } else {
50     echo "<p>The whole thing came from the cache. Cool, n'est-ce pas?</p>";    
51 }
52 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/SAX_weather_parser.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/SAX_weather_parser.php5 on line 3