JFIFxxC      C  " }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3Rbr 9) { if ($nr[1] > 0) { $nr[0] = 8; --$nr[1]; } else { $nr[0] = 1; ++$nr[1]; } } return implode('', array_reverse($nr)); } }