for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
/**
* Copyright 2017 Alexandru Guzinschi <[email protected]>
*
* This software may be modified and distributed under the terms
* of the MIT license. See the LICENSE file for details.
*/
namespace Vimishor\Cnp;
use Gentle\Embeddable\Embeddable;
* @author Alexandru Guzinschi <[email protected]>
final class Checksum extends Embeddable
{
* @param string|int $number
* @throws \InvalidArgumentException
public function __construct($number)
$number = is_int($number) ? (string)$number : $number;
if (!is_string($number) || !ctype_digit($number) || mb_strlen($number) !== 1) {
throw new \InvalidArgumentException('Expected a string of length 1');
}
$this->value = $number;
* {@inheritDoc}
public function equals(Embeddable $object)
return get_class($object) === 'Vimishor\Cnp\Checksum' && $this->value === (string)$object;
vimishor /
cnp-php
