code: public static function fromHex($hex)
      {
          if (strlen($hex) != 2) {
              throw new Ts3Exception("given parameter '" . $hex . "' is not a valid hexadecimal number");
          }
  
          return new self(chr(hexdec($hex)));
      }
docs: Returns the Char based on a given hex value.
  
  @param  string $hex
  @throws Ts3Exception
  @return Char