Diakritika v předmětu notifikačního emailu

function sendMail($email, $subject, $msg, $from_email, $errors_email) {
global $genEmailDisable;
// Function sends mail with return-path (if incorrect email TO specifed. Reply-To: and Errors-To: need contain equal addresses!
if (!isset($genEmailDisable) or $genEmailDisable != 1) {
$msg = str_replace("\r\n", "\n", $msg);
$php_version = phpversion();
$from_email = "From: $from_email\r\nReply-To: $errors_email\r\nErrors-To: $errors_email\r\nX-Mailer: PHP ver. $php_version\r\nContent-Type: Text/Plain;
  charset=iso-8859-2";
mail($email, $subject, $msg, $from_email);
}
}

$subject = "=?iso-8859-2?B?".base64_encode($subject)."?=";

if (!function_exists("quoted_printable_encode")) {
  /**
  * Process a string to fit the requirements of RFC2045 section 6.7. Note that
  * this works, but replaces more characters than the minimum set. For readability
  * the spaces and CRLF pairs aren't encoded though.
  */
  function quoted_printable_encode($string) {
        $string = str_replace(array('%20', '%0D%0A', '%'), array(' ', "\r\n", '='), rawurlencode($string));
        $string = preg_replace('/[^\r\n]{73}[^=\r\n]{2}/', "$0=\r\n", $string);

        return $string;
  }
}

$subject = "=?iso-8859-2?Q?".quoted_printable_encode($subject)."?=";