MyKad Validation

mykad-validation

        // MyKad 
        $this->myKad = "010203-04-1234";
        $this->myKad = str_replace(['-', ' '], '', $this->myKad);

        if (!is_numeric($this->myKad)) {
            return "not valid mykad no";
        } elseif (strlen($this->myKad) != 12) {
            return "mykad no should contains 12 digits";
        }

        $head = substr($this->myKad, 0, 6);
        $day = (int) substr($head, 4, 2);
        $month = (int) substr($head, 2, 2);
        $parseYear = (int) substr($head, 0, 2);
        $year = $parseYear + ($parseYear >= 30 ? 1900 : 2000);

        try {
            Carbon::parse($day . '-' . $month . '-' . $year);
        } catch (\Exception $e) {
            echo "xx";
        }

        // separation
        $this->head = substr($this->myKad, 0, 6);
        $this->body = substr($this->myKad, 6, 2);
        $this->tail = substr($this->myKad, 8, 4);

        // tarikh lahir
        $this->day = (int) substr($this->head, 4, 2);
        $this->month = (int) substr($this->head, 2, 2);
        $parseYear = (int) substr($this->head, 0, 2);
        $this->year = $parseYear + ($parseYear >= 50 ? 1900 : 2000);
        
        // Can use this to get DOB
        // Option 1
        $this->birthdate = Carbon::parse($this->day . '-' . $this->month . '-' . $this->year);
        // Option 2
        $date = date_create($this->day . '-' . $this->month . '-' . $this->year);
        $newDate = date_format($date, "d/m/Y");

        // jantina
        $lastDigit = (int) substr($this->tail, -1);
        $this->gender = ($lastDigit % 2) ? 'male' : 'female';
        // return $this->gender;

        // umur
        $this->age = $this->birthdate->age;
        // return $this->age;