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<?php
namespace PhpValueObjects\Identity;
use PhpValueObjects\AbstractStringValueObject;
use PhpValueObjects\Identity\Exception\InvalidSha1Exception;
abstract class Sha1ValueObject extends AbstractStringValueObject
{
/**
* @param string $value
*
* @throws InvalidSha1Exception
*/
protected function guard($value)
if (false === (bool) preg_match('/^[a-f0-9]{40}$/', $value)) {
throw new InvalidSha1Exception($value);
}
bruli /
php-value-objects
