Method toUpper

text-to-qr/lib/phpqrcode/phpqrcode.php:2214–2232

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

()

        //----------------------------------------------------------------------
        public function toUpper()
        {
            $stringLen = strlen($this->dataStr);
            $p = 0;
            
            while ($p<$stringLen) {
                $mode = self::identifyMode(substr($this->dataStr, $p), $this->modeHint);
                if($mode == QR_MODE_KANJI) {
                    $p += 2;
                } else {
                    if (ord($this->dataStr[$p]) >= ord('a') && ord($this->dataStr[$p]) <= ord('z')) {
                        $this->dataStr[$p] = chr(ord($this->dataStr[$p]) - 32);
                    }
                    $p++;
                }
            }

            return $this->dataStr;
        }

        //----------------------------------------------------------------------
        public static function splitStringToQRinput($string, QRinput $input, $modeHint, $casesensitive = true)