<?PHP
  // Korjattu: 10.1.2005 - ei toiminut yli 2GiB kooilla koska käytti (int), nyt siis toimii.

  /*     
    human_readable -- Convert filesize to human readable, like "ls -h" NOTE: Not identical!
   
    Description   
    string human_readable(number size [, bool blocksize_is_1000 [, integer precision [, string end_suffix]]])   
   
    By default it uses blocksize of 1024 and if you set second (blocksize_is_1000) to true it uses 1000
  */
 
  function human_readable ($size, $blocksize_is_1000 = false, $precision = 0, $very_end_suffix = "B") {

    $blocksize = 1024;
   
    if ((bool) $blocksize_is_1000)
      $blocksize = 1000;
 
    $suffixes = array (
      1000 => array('','k','M','G','T','P','E','Z','Y'),
      1024 => array('','Ki','Mi','Gi','Ti','Pi','Ei','Zi','Yi')
    );
   
    // By default, use orginal
    $rtn = "$size $very_end_suffix";
   
    // Loop through all suffixes and get their keys as power
    foreach ($suffixes[$blocksize] as $power=>$suffix) {   
   
      // If real size is smaller than current tested suffix in bytes then found!
      if ($size < pow($blocksize,$power))
        break; // Found
           
      // Calculate human readable size
      $newSize = round($size / pow($blocksize,$power), $precision);
      $rtn = "$newSize {$suffix}{$very_end_suffix}";
    }
   
    return $rtn;
  }
  // http://physics.nist.gov/cuu/Units/binary.html
?>

<?PHP
  // Esimerkki, tulostaa: 122GiB
  echo human_readable(131122683904);

  /*
    Ja todellinen ongelma teille tuleekin jos käytätte, PHP:n
    filesize funktiota joka ei toimi yli 2GiB kooilla (2^31)
  */
?>