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Editing: PersonTest.php
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<?php namespace Faker\Test\Provider\pt_PT; use Faker\Provider\pt_PT\Person; use Faker\Test\TestCase; /** * @group legacy */ final class PersonTest extends TestCase { public function testTaxpayerIdentificationNumberIsValid(): void { $tin = $this->faker->taxpayerIdentificationNumber(); self::assertTrue(self::isValidTin($tin), $tin); } /** * @see http://pt.wikipedia.org/wiki/N%C3%BAmero_de_identifica%C3%A7%C3%A3o_fiscal * * @param string $tin * * @return bool */ private static function isValidTin($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 (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; } return $cd === (int) $n[8]; } protected function getProviders(): iterable { yield new Person($this->faker); } }
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