Method checkModeKanji

text-to-qr/lib/phpqrcode/qrinput.php:476–491

----------------------------------------------------------------------

($size, $data)

        
        //----------------------------------------------------------------------
        public static function checkModeKanji($size, $data)
        {
            if($size & 1)
                return false;

            for($i=0; $i<$size; $i+=2) {
                $val = (ord($data[$i]) << 8) | ord($data[$i+1]);
                if( $val < 0x8140 
                || ($val > 0x9ffc && $val < 0xe040) 
                || $val > 0xebbf) {
                    return false;
                }
            }

            return true;
        }

        /***********************************************************************
         * Validation