'#NULL!', 0x07 => '#DIV/0!', 0x0F => '#VALUE!', 0x17 => '#REF!', 0x1D => '#NAME?', 0x24 => '#NUM!', 0x2A => '#N/A', ]; /** * Map error code, e.g. '#N/A'. * * @param int $code * * @return string|bool */ public static function lookup($code) { if (isset(self::$map[$code])) { return self::$map[$code]; } return false; } }