// test
$d = opendir("c:/document_archive");
while($f = readdir($d)) {
  if(is_dir($f)) continue;
  
    $parts = explode('_', $f);
	  echo $f;
    echo $parts[0] . "\r\n";
    echo $parts[1] . "\r\n";
    echo $parts[2] . "\r\n";
    echo $parts[3] . "\r\n";
    echo $parts[4] . "\r\n";
    echo $parts[5];