<?PHP
 $filename = "tdf.xml";    
$fp = fopen($filename, "r");//open file in read mode    
  
$contents = fread($fp, filesize($filename));//read file 
$cnt=0;
$tdf_id_start =1;
while ($cnt <532){
$tdf_id_first = strpos($contents,'ClearValue<Field>Usage Counter value</Field><Index><Value datatype="Integer">',$tdf_id_start);
$tdf_id_second = strpos($contents,"</Value>",$tdf_id_first);
  
//echo "<pre>$tdf_id_first</pre>";//printing data of file  
//echo "<pre>$tdf_id_second</pre>";//printing data of file  
$tdf = substr($contents,$tdf_id_first+77,$tdf_id_second-($tdf_id_first+77));
echo $tdf."\n";
$tdf_id_start= $tdf_id_second;
$cnt++;
}

fclose($fp);//close file    
?>