1972         public $dataStr = '';  variable in QRsplit
1977         public function __construct($dataStr, $input, $modeHint)   argument
1979             $this->dataStr  = $dataStr;
2005             if ($pos >= strlen($this->dataStr)) 
2008             $c = $this->dataStr[$pos];
2010             if(self::isdigitat($this->dataStr, $pos)) {
2012             } else if(self::isalnumat($this->dataStr, $pos)) {
2016                 if ($pos+1 < strlen($this->dataStr)) 
2018                     $d = $this->dataStr[$pos+1];
2035             while(self::isdigitat($this->dataStr, $p)) {
2059             $ret = $this->input->append(QR_MODE_NUM, $run, str_split($this->dataStr));
2074             while(self::isalnumat($this->dataStr, $p)) {
2075                 if(self::isdigitat($this->dataStr, $p)) {
2077                     while(self::isdigitat($this->dataStr, $q)) {
2097             if(!self::isalnumat($this->dataStr, $p)) {
2106             $ret = $this->input->append(QR_MODE_AN, $run, str_split($this->dataStr));
2122             $ret = $this->input->append(QR_MODE_KANJI, $p, str_split($this->dataStr));
2136             $dataStrLen = strlen($this->dataStr);
2146                     while(self::isdigitat($this->dataStr, $q)) {
2159                     while(self::isalnumat($this->dataStr, $q)) {
2176             $ret = $this->input->append(QR_MODE_8, $run, str_split($this->dataStr));
2187             while (strlen($this->dataStr) > 0)
2189                 if($this->dataStr == '')
2209                 $this->dataStr = substr($this->dataStr, $length);
2216             $stringLen = strlen($this->dataStr);
2220                 $mode = self::identifyMode(substr($this->dataStr, $p), $this->modeHint);
2224 …                  if (ord($this->dataStr[$p]) >= ord('a') && ord($this->dataStr[$p]) <= ord('z')) {
2225                         $this->dataStr[$p] = chr(ord($this->dataStr[$p]) - 32);
2231             return $this->dataStr;