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<?php
namespace Brazanation\Documents;
use Brazanation\Documents\Cns\CnsCalculator;
use Brazanation\Documents\Cns\TemporaryCalculator;
final class Cns extends AbstractDocument
{
const LENGTH = 15;
const LABEL = 'CNS';
const REGEX = '/^([\d]{3})([\d]{4})([\d]{4})([\d]{4})$/';
const FORMAT = '$1 $2 $3 $4';
const DIGIT_COUNT = 1;
/**
* CNS constructor.
*
* @param string $number
*/
public function __construct($number)
$number = preg_replace('/\D/', '', $number);
parent::__construct($number, self::LENGTH, self::DIGIT_COUNT, self::LABEL);
}
* {@inheritdoc}
public function format()
return preg_replace(self::REGEX, self::FORMAT, "{$this}");
* Based on given number, it will decide what kind of calculator will use.
* For numbers starting with 7, 8 or 9 will use TemporaryCalculator,
* otherwise CnsCalculator.
public function calculateDigit($baseNumber)
$calculator = new CnsCalculator();
if (in_array(substr($baseNumber, 0, 1), [7, 8, 9])) {
$calculator = new TemporaryCalculator();
$digit = $calculator->calculateDigit($baseNumber);
return "{$digit}";
brazanation /
php-documents
