private function analysis()
{
if (DEBUG && DEBUG_LEVEL & EQR_ANALYSIS) {
$debug = true;
} else {
$debug = false;
}
$this->length = strlen($this->string);
$this->encode = EM_NUM;
for ($i = 0; $i < $this->length; $i++) {
$ascii = ord(substr($this->string, $i, 1));
if ($ascii < 0x30 || $ascii > 0x39) {
if ($ascii >= 0x41 && $ascii <= 0x5a || $ascii == 0x20 || $ascii == 0x24 || $ascii == 0x25 || $ascii == 0x2a || $ascii == 0x2b || $ascii == 0x2d || $ascii == 0x2e || $ascii == 0x2f || $ascii == 0x3a) {
$this->encode = EM_ALP;
} else {
$this->encode = EM_BIN;
break;
}
}
}
$this->version = -1;
for ($i = 1; $i <= MAX_VER; $i++) {
if (Qrcode::getCapacity($i, $this->errorLevel, $this->encode) >= $this->length) {
$this->version = $i;
$this->dataBits = Qrcode::getCapacity($i, $this->errorLevel, DATA_BITS);
break;
}
}
if ($this->version == -1) {
echo "String too long";
exit;
}
switch ($this->version) {
case 2:
case 3:
case 4:
case 5:
case 6:
$this->remBits = 7;
break;
case 14:
case 15:
case 16:
case 17:
case 18:
case 19:
case 20:
case 28:
case 29:
case 30:
case 31:
case 32:
case 33:
case 34:
$this->remBits = 3;
break;
case 21:
case 22:
case 23:
case 24:
case 25:
case 26:
case 27:
$this->remBits = 4;
break;
default:
$this->remBits = 0;
break;
}
if ($debug) {
printf("Version = %d <br>String Length= %d<br>Reminder Bits = %d<br>" . "Error level (0=M, 1=L, 2=H, 3=Q)= %d<br>Encode Mode (1=Numeric, " . "2=Alphanumeric, 4=8-bit Byte, 8=Kanji)= %d<br> Capacity = %d <br>", $this->version, $this->length, $this->remBits, $this->errorlevel, $this->encode, $this->capacity[$this->version][$this->errorLevel]);
}
}
