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Calculate directory size

/ Published in: PHP
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  1. /**
  2.  * Calculate directory size.
  3.  * @param   string  $path   without trailing '/' or '\' (eg. '/users/sampleUser', not '/users/sampleUser/')
  4.  * @return  int 	size in bytes
  5.  */
  6. function calc_dir_size($path)
  7. {
  8.     $size = 0;
  9.  
  10.     if ($handle = opendir($path))
  11.     {
  12.         while (false !== ($entry = readdir($handle)))
  13.         {
  14.             $current_path = $path . '/' . $entry;
  15.             if ($entry != '.' && $entry != '..' && !is_link($current_path))
  16.             {
  17.                 if (is_file($current_path))
  18.                     $size += filesize($current_path);
  19.                 elseif (is_dir($current_path))
  20.                     $size = calc_dir_size($current_path);
  21.             }
  22.         }
  23.     }
  24.     closedir($handle);
  25.     return $size;
  26. }

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