JFIFxxC      C  " }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3Rbr 126) { $char = \strtoupper(\dechex($ord)); if ($ord < 10) { $char = '0' . $char; } } else { $char = '"' . $char . '"'; } return new self(\sprintf('Char %s is not a valid character in the given alphabet.', $char)); } }