//mart here
function replace_text($text) {
  $text = str_replace('nn', '', $text);
  $text = str_replace('“', '', $text);
  $text = str_replace('”', '', $text);
  $text = str_replace('„', '', $text);
  $text = str_replace('', '', $text);

  // $data = trim($text);
  // $data = stripslashes($text);
  // $data = htmlspecialchars($text);

  // print_r($data);
  // exit();
  // die();

  return $text;
}
add_filter('the_content', 'replace_text');
//mart here