<?php
function getDirectorySize($path) 
{ 
  $totalsize = 0; 
  $totalcount = 0; 
  $dircount = 0; 
  if ($handle = opendir ($path)) 
  { 
    while (false !== ($file = readdir($handle))) 
    { 
      $nextpath = $path . '/' . $file; 
      if ($file != '.' && $file != '..' && !is_link ($nextpath)) 
      { 
        if (is_dir ($nextpath)) 
        { 
          $dircount++; 
          $result = getDirectorySize($nextpath); 
          $totalsize += $result['size']; 
          $totalcount += $result['count']; 
          $dircount += $result['dircount']; 
        } 
        elseif (is_file ($nextpath)) 
        { 
          $totalsize += filesize ($nextpath); 
          $totalcount++; 
        } 
      } 
    } 
  } 
  closedir ($handle); 
  $total['size'] = $totalsize; 
  $total['count'] = $totalcount; 
  $total['dircount'] = $dircount; 
  return $total; 
} 

function sizeFormat($size) 
{ 
    if($size<1024) 
    { 
        return $size." bytes"; 
    } 
    else if($size<(1024*1024)) 
    { 
        $size=round($size/1024,1); 
        return $size." KB"; 
    } 
    else if($size<(1024*1024*1024)) 
    { 
        $size=round($size/(1024*1024),1); 
        return $size." MB"; 
    } 
    else 
    { 
        $size=round($size/(1024*1024*1024),1); 
        return $size." GB"; 
    } 

} 

$verz = getcwd();
#$verz = dirname(__FILE__);
$path = $verz . '/Daten'; 
$pupath = $verz . '/public/Daten';
$ar=getDirectorySize($path); 
$puar=getDirectorySize($pupath); 

#echo "<h4>Details für den Pfad: $path</h4>"; 
#echo "Gesamtgröße: ".sizeFormat($ar['size'])."<br>"; 
#echo "Anzahl an Dateien: ".$ar['count']."<br>"; 
#echo "Anzahl an Verzeichnissen: ".$ar['dircount']."<br>";
?>