respect-validation/library/Rules/Cpf.php
Henrique Moody 2e29b9e8c7
Fix "@author" annotations
Some classes and one trait had some mismatch values for their "@author"
annotation and this commit will fix the mismatch putting the correct
authors.

I used the "git blame" command to find out which people changed the file
and created a list based on that information.

Signed-off-by: Henrique Moody <henriquemoody@gmail.com>
2018-11-25 18:04:59 +01:00

59 lines
1.5 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.
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
use function mb_strlen;
use function preg_match;
use function preg_replace;
/**
* Validates whether the input is a CPF (Brazilian Natural Persons Register) number.
*
* @author Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
* @author Henrique Moody <henriquemoody@gmail.com>
* @author Jair Henrique <jair.henrique@gmail.com>
* @author Jayson Reis <santosdosreis@gmail.com>
* @author Jean Pimentel <jeanfap@gmail.com>
* @author William Espindola <oi@williamespindola.com.br>
*/
final class Cpf extends AbstractRule
{
/**
* {@inheritdoc}
*/
public function validate($input): bool
{
// Code ported from jsfromhell.com
$c = preg_replace('/\D/', '', $input);
if (11 != mb_strlen($c) || preg_match("/^{$c[0]}{11}$/", $c)) {
return false;
}
for ($s = 10, $n = 0, $i = 0; $s >= 2; $n += $c[$i++] * $s--);
if ($c[9] != ((($n %= 11) < 2) ? 0 : 11 - $n)) {
return false;
}
for ($s = 11, $n = 0, $i = 0; $s >= 2; $n += $c[$i++] * $s--);
if ($c[10] != ((($n %= 11) < 2) ? 0 : 11 - $n)) {
return false;
}
return true;
}
}