mirror of
https://github.com/Respect/Validation.git
synced 2024-06-26 17:20:16 +02:00
103 lines
2.5 KiB
PHP
103 lines
2.5 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of Respect/Validation.
|
|
*
|
|
* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
|
|
*
|
|
* For the full copyright and license information, please view the "LICENSE.md"
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Respect\Validation\Rules;
|
|
|
|
/**
|
|
* Validates Spain's fiscal identification number (NIF).
|
|
*
|
|
* @author Julián Gutiérrez <juliangut@gmail.com>
|
|
*
|
|
* @see https://es.wikipedia.org/wiki/N%C3%BAmero_de_identificaci%C3%B3n_fiscal
|
|
*/
|
|
final class Nif extends AbstractRule
|
|
{
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function validate($input)
|
|
{
|
|
if (!is_string($input)) {
|
|
return false;
|
|
}
|
|
|
|
if (preg_match('/^(\d{8})([A-Z])$/', $input, $matches)) {
|
|
return $this->validateDni($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;
|
|
}
|
|
|
|
/**
|
|
* @param int $number
|
|
* @param int $control
|
|
*/
|
|
private function validateDni($number, $control)
|
|
{
|
|
return mb_substr('TRWAGMYFPDXBNJZSQVHLCKE', ($number % 23), 1) === $control;
|
|
}
|
|
|
|
/**
|
|
* @param string $prefix
|
|
* @param int $number
|
|
* @param int $control
|
|
*/
|
|
private function validateNie($prefix, $number, $control)
|
|
{
|
|
if ($prefix === 'Y') {
|
|
return $this->validateDni('1'.$number, $control);
|
|
}
|
|
|
|
if ($prefix === 'Z') {
|
|
return $this->validateDni('2'.$number, $control);
|
|
}
|
|
|
|
return $this->validateDni($number, $control);
|
|
}
|
|
|
|
/**
|
|
* @param int $number
|
|
* @param string $control
|
|
*/
|
|
private function validateCif($number, $control)
|
|
{
|
|
$code = 0;
|
|
$position = 1;
|
|
foreach (str_split($number) as $digit) {
|
|
$increaser = $digit;
|
|
if ($position % 2 !== 0) {
|
|
$increaser = array_sum(str_split($digit * 2));
|
|
}
|
|
|
|
$code += $increaser;
|
|
++$position;
|
|
}
|
|
|
|
$digits = str_split($code);
|
|
$lastDigit = array_pop($digits);
|
|
$key = $lastDigit === 0 ? 0 : (10 - $lastDigit);
|
|
|
|
if (is_numeric($control)) {
|
|
return (int) $key === (int) $control;
|
|
}
|
|
|
|
return mb_substr('JABCDEFGHI', ($key % 10), 1) === $control;
|
|
}
|
|
}
|