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<?php
namespace Faker\Test\Provider\pt_PT;
use Faker\Generator;
use Faker\Provider\pt_PT\Person;
use PHPUnit\Framework\TestCase;
class PersonTest extends TestCase
{
public function setUp()
{
$faker = new Generator();
$faker->addProvider(new Person($faker));
$this->faker = $faker;
}
public function testTaxpayerIdentificationNumberIsValid()
{
$tin = $this->faker->taxpayerIdentificationNumber();
$this->assertTrue($this->isValidTin($tin), $tin);
}
/**
*
* @link http://pt.wikipedia.org/wiki/N%C3%BAmero_de_identifica%C3%A7%C3%A3o_fiscal
*
* @param type $tin
*
* @return boolean
*/
public static function isValidTin($tin)
{
$regex = '(([1,2,3,5,6,8]{1}[0-9]{8})|((45)|(70)|(71)|(72)|(77)|(79)|(90|(98|(99))))[0-9]{7})';
if (is_null($tin) || !is_numeric($tin) || !strlen($tin) == 9 || preg_match("/$regex/", $tin) !== 1) {
return false;
}
$n = str_split($tin);
// cd - Control Digit
$cd = ($n[0] * 9 + $n[1] * 8 + $n[2] * 7 + $n[3] * 6 + $n[4] * 5 + $n[5] * 4 + $n[6] * 3 + $n[7] * 2) % 11;
if ($cd === 0 || $cd === 1) {
$cd = 0;
} else {
$cd = 11 - $cd;
}
if ($cd === intval($n[8])) {
return true;
}
return false;
}
}