gistfile1.php

<?php

$directory_to_check = '/path/to/dir';

$DTs = array(realpath($directory_to_check));
$DSc = array();

while (count($DTs) > 0)
{
  foreach ($DTs as $DKy => $std)
  {
    if ($dir = @opendir($std)) 
    {
      while (($file = readdir($dir)) !== false) 
      {
        if (($file != '.') && ($file != '..')) 
        {
          $RPT = realpath($std.'/'.$file);
          if (is_dir($RPT)) 
          {
            if (!in_array($RPT, $DSc) && !in_array($RPT, $DTs)) 
            {
              $DTs[] = $RPT;
            }
          }
          elseif (is_file($RPT)) 
          {
            $FId[] = $RPT;
          }
        }
      }
      closedir($dir);
    }
    $DSc[] = $std;
    unset($DTs[$DKy]);
  }
}

$FId = array_unique($FId);
sort($FId);

function gnf($nfl)
{
  $nfl = str_replace("{", "(", $nfl);
  $nfl = str_replace("}", ")", $nfl);
  $nfl = str_replace("[", "(", $nfl);
  $nfl = str_replace("]", ")", $nfl);
  $nfl = str_replace("`", "", $nfl);
  $nfl = str_replace("!", "", $nfl);
  return $nfl;
}

foreach ($FId as $fnm)
{
  if ( rename($fnm, gnf($fnm)) )
  {
    echo "SUKSES!!!n";
  }
  else
  {
    echo "--- GAGAL ---n";
    echo $fnm ."n";
  }
}