[OPGELOST] xml-parser error

<?php
// $file van de pagina zelf!

#$xml_file = "../xml/top10.xml";
$xml_parser = xml_parser_create();

if (!($fp = fopen($xml_file, "r"))) {
   die("could not open XML input");
}

$data = fread($fp, filesize($xml_file));
fclose($fp);
xml_parse_into_struct($xml_parser, $data, $vals, $index);
xml_parser_free($xml_parser);

$params = array();
$level = array();
foreach ($vals as $xml_elem) {
  if ($xml_elem['type'] == 'open') {
   if (array_key_exists('attributes',$xml_elem)) {
     list($level[$xml_elem['level']],$extra) = array_values($xml_elem['attributes']);
   } else {
     $level[$xml_elem['level']] = $xml_elem['tag'];
   }
  }
  if ($xml_elem['type'] == 'complete') {
   $start_level = 1;
   $php_stmt = '$params';
   while($start_level < $xml_elem['level']) {
     $php_stmt .= '[$level['.$start_level.']]';
     $start_level++;
   }
   $php_stmt .= '[$xml_elem[\'tag\']] = $xml_elem[\'value\'];';
   eval($php_stmt);
  }
}

// om de array af te drukken gebuik:
/*echo "<pre>";
print_r($params);
echo "</pre>;*/
?>

<?php
// $file van de pagina zelf!
 
#$xml_file = "../xml/top10.xml";
$xml_parser = xml_parser_create();
 
if (!($fp = fopen($xml_file, "r"))) {
   die("could not open XML input");
}
 
$data = fread($fp, filesize($xml_file));
fclose($fp);
xml_parse_into_struct($xml_parser, $data, $vals, $index);
xml_parser_free($xml_parser);
 
$params = array();
$level = array();
foreach ($vals as $xml_elem) {
  if ($xml_elem['type'] == 'open') {
   if (array_key_exists('attributes',$xml_elem)) {
     list($level[$xml_elem['level']],$extra) = array_values($xml_elem['attributes']);
   } else {
     $level[$xml_elem['level']] = $xml_elem['tag'];
   }
  }
  if ($xml_elem['type'] == 'complete') {
   $start_level = 1;
   $php_stmt = '$params';
   while($start_level < $xml_elem['level']) {
     $php_stmt .= '[$level['.$start_level.']]';
     $start_level++;
   }
   $php_stmt .= '[$xml_elem[\'tag\']] = $xml_elem[\'value\'];';
   eval($php_stmt);
  }
}
 
// om de array af te drukken gebuik:
/*echo "<pre>";
print_r($params);
echo "</pre>;*/
?>

 if (array_key_exists('attributes',$xml_elem)) {
     list($level[$xml_elem['level']],$extra) = array_values($xml_elem['attributes']);
   }

if (array_key_exists('attributes',$xml_elem)) {
     list($level[$xml_elem['level']],$extra) = array_values($xml_elem['attributes']);
   }