lab/cacme/vendor/workerman/validation/library/Rules/Nif.php
2024-08-05 22:57:28 +08:00

100 lines
2.6 KiB
PHP

<?php
/*
* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
* SPDX-License-Identifier: MIT
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
use function array_pop;
use function array_sum;
use function is_numeric;
use function is_string;
use function mb_substr;
use function preg_match;
use function str_split;
/**
* Validates Spain's fiscal identification number (NIF).
*
*
* @see https://es.wikipedia.org/wiki/N%C3%BAmero_de_identificaci%C3%B3n_fiscal
*
* @author Henrique Moody <henriquemoody@gmail.com>
* @author Julián Gutiérrez <juliangut@gmail.com>
* @author Senén <senen@instasent.com>
*/
final class Nif extends AbstractRule
{
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
if (!is_string($input)) {
return false;
}
if (preg_match('/^(\d{8})([A-Z])$/', $input, $matches)) {
return $this->validateDni((int) $matches[1], $matches[2]);
}
if (preg_match('/^([KLMXYZ])(\d{7})([A-Z])$/', $input, $matches)) {
return $this->validateNie($matches[1], $matches[2], $matches[3]);
}
if (preg_match('/^([A-HJNP-SUVW])(\d{7})([0-9A-Z])$/', $input, $matches)) {
return $this->validateCif($matches[2], $matches[3]);
}
return false;
}
private function validateDni(int $number, string $control): bool
{
return mb_substr('TRWAGMYFPDXBNJZSQVHLCKE', $number % 23, 1) === $control;
}
private function validateNie(string $prefix, string $number, string $control): bool
{
if ($prefix === 'Y') {
return $this->validateDni((int) ('1' . $number), $control);
}
if ($prefix === 'Z') {
return $this->validateDni((int) ('2' . $number), $control);
}
return $this->validateDni((int) $number, $control);
}
private function validateCif(string $number, string $control): bool
{
$code = 0;
$position = 1;
/** @var int $digit */
foreach (str_split($number) as $digit) {
$increaser = $digit;
if ($position % 2 !== 0) {
$increaser = array_sum(str_split((string) ($digit * 2)));
}
$code += $increaser;
++$position;
}
$digits = str_split((string) $code);
$lastDigit = (int) array_pop($digits);
$key = $lastDigit === 0 ? 0 : 10 - $lastDigit;
if (is_numeric($control)) {
return (int) $key === (int) $control;
}
return mb_substr('JABCDEFGHI', $key % 10, 1) === $control;
}
}