timeline php code not working

[fanofans.com]

Does anyone understand why the code below does not work? Please help.
Thanks
....................................................................................................................................................................
<?php

  header("Content-type: text/xml");

  $arr = array();
  $currentElements = array();
  $newsArray = array();
  $cnt=0;
  $num=0;
  $type=0;

  $start_date='';
  $title='';
  $link='';
  $descr='';
  $author='';
  $image='';
  $all_titles=array();
  $output_cache='';

  init_rules();

  $titles=array();


  $sources[0]['url']="http://news.google.com/news?
tab=mn&ned=us&hl=en&ned=us&q=food&ie=UTF-8&nolr=1&output=rss";
  $sources[0]['img']="http://www.fanofans.com/czech.jpg";;

  $sources[1]['url']="http://news.google.com/news?
tab=mn&ned=us&hl=en&ned=us&q=eat&ie=UTF-8&nolr=1&output=rss";
  $sources[1]['img']="http://www.fanofans.com/portugal.jpg";;
  $sources[2]['url']="http://news.google.com/news?
tab=mn&ned=us&hl=en&ned=us&q=milk&ie=UTF-8&nolr=1&output=rss";
  $sources[2]['img']="http://www.fanofans.com/switzerland.jpg";;


echo "<data>\n";

for ($i=0;$i<sizeof($sources); $i++)
{

$all_titles=array();

  $xmlParser = xml_parser_create();

  xml_parser_set_option($xmlParser, XML_OPTION_CASE_FOLDING, TRUE);
  xml_set_element_handler($xmlParser, startElement, endElement);
  xml_set_character_data_handler($xmlParser, characterData);

  $fp = fopen($sources[$i]['url'], "rb");
  $data = '';

  while($newdata = fread($fp, 4096)){
    $data .= $newdata;
  }

  fclose($fp);


  xml_parse($xmlParser, $data, 1);
  xml_parser_free($xmlParser);


foreach(array_keys($all_titles) as $title) {

  $item = ereg_replace("QQQ", $sources[$i]['img'],  $all_titles[$title]
['event']);
  echo $item."\n";

}

}

echo "</data>\n";


  function init_rules() {
     add_rule('ITEM', func_item);
     add_rule('PUBDATE', func_pubdate);
     add_rule('TITLE', func_title);
     add_rule('LINK', func_link);
     add_rule('DESCRIPTION', func_descr);
     add_rule('AUTHOR', func_author);
  }

  function add_rule($tag, $func) {
     global $arr;

     $cnt = count($arr);

    $arr[$cnt]['rule']=$tag;
    $arr[$cnt]['func']=$func;
  }

   function startElement($parser, $name, $attrs)  {
     global $currentElements, $cnt, $newsArray, $num, $type, $image;

     if ($name=='ENCLOSURE')
     {
       $image=$attrs["URL"];
     }

     array_push($currentElements, $name);
     $cnt++;
     $newsArray[$cnt-1] = '';
   }

   function characterData($parser, $data)  {
     global $currentElements, $newsArray, $cnt;

     $newsArray[$cnt-1] .= $data;
   }

   function endElement($parser, $name) {

     global $currentElements, $cnt, $newsArray, $trace;

     apply_rules();

     if($currentElements[$cnt-1] == $name){
         array_pop($currentElements);
     }

     $cnt--;
   }


   function apply_rules() {
     global $arr, $currentElements, $cnt, $newsArray;

     $found=0;
     for ($i=0; $i<count($arr); $i++) {
       if ($arr[$i]['rule'] ==  $currentElements[$cnt-1]) {
         $found=1;
         break;
       }
     }

     if ($found) {
       $str = $arr[$i]['func']($newsArray[$cnt-1]);

       if ($cnt>1) {
         $newsArray[$cnt-2].= $str;
       }
     }
   }

   function func_item($data) {
     global $start_date, $title, $link, $descr, $author, $all_titles,
$output_cache, $image, $titles;

//     $icon='http://simile.mit.edu/timeline/api/images/blue-
circle.png';
     $icon='http://alexeysmirnov.name/dot1.jpg';
     $color='blue';

     if (ereg('Pownce', $title)) {
       $icon='http://simile.mit.edu/timeline/api/images/green-
circle.png';
       $color='green';

     } else if (ereg('del.icio.us', $title)) {
       $icon='http://simile.mit.edu/timeline/api/images/red-
circle.png';
       $color='red';

     } else if (ereg('dugg', $title)) {
       $icon='http://simile.mit.edu/timeline/api/images/dark-green-
circle.png';
       $color='darkgreen';
     }

     if (ereg('a site on del.icio.us', $title)) {
       $title = ereg_replace('a site on del.icio.us', "'".$descr."'",
$title);
     }

if (strlen($author)>0) {
     $title=ereg_replace($author, 'I', $title);
}

     $title=ereg_replace('I posted a new blog entry:', '', $title);

//if (!isset($all_titles[$title]['num'])) {

if (!isset($titles[$title])) {
  $titles[$title]=1;

$icon='QQQ';
$all_titles[$title]['event']= "<event\n start=\"" .
$start_date."\"\n" .
          " title=\"" . $title."\"\n".
          " link=\"" . $link."\"\n"  .
          " icon=\"" . $icon."\"\n"  .
          " color=\"" . $color."\"\n"  .
          " image=\"" . $image . "\"\n" .
">\n" . $descr."\n" . "</event>\n\n";


}

   }


   function func_title($data) {
     global $title, $author, $in_blog;

if (ereg('a new blog entry', $title)) {
  $in_blog=1;
} else {
  $in_blog=0;
}

if (strlen($author)>0) {
     $title=ereg_replace($author, 'I', $data);
} else {
  $title=$data;
}
     $title=ereg_replace("\"", "'", $title);


   }

   function func_pubdate($data) {
     global $start_date;

     $start_date=$data;
   }

   function func_link($data) {
     global $link;

     $link=$data;
     $link=ereg_replace("&", "&amp;", $link);
   }

   function func_descr($data) {
     global $descr, $link, $in_blog;

     preg_match("#a href=\"([^\"]+)\"#", $data, $matches,
PREG_OFFSET_CAPTURE);

if (sizeof($matches)>0) {
$link = $matches[1][0];
$link=ereg_replace("&", "&amp;", $link);
}

     $descr=strip_tags($data);
     $descr=ereg_replace("&raquo", "", $descr);
   }

   function func_author($data) {
     global $author;

     $author=$data;
   }

   function func_entity($data) {
     return $data;
   }

?>

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