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<?php |
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/* |
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* This file is part of Respect/Validation. |
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* |
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* (c) Alexandre Gomes Gaigalas <[email protected]> |
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* |
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* For the full copyright and license information, please view the "LICENSE.md" |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Respect\Validation\Rules; |
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use function bcmod; |
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use function is_string; |
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use function ord; |
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use function preg_match; |
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use function preg_replace_callback; |
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use function str_replace; |
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use function strlen; |
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use function substr; |
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/** |
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* Validates whether the input is a valid IBAN (International Bank Account Number) or not. |
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* |
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* @author Mazen Touati <[email protected]> |
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*/ |
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final class Iban extends AbstractRule |
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{ |
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private const COUNTRIES_LENGTHS = [ |
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'AL' => 28, |
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'AD' => 24, |
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'AT' => 20, |
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'AZ' => 28, |
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'BH' => 22, |
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'BE' => 16, |
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'BA' => 20, |
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'BR' => 29, |
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'BG' => 22, |
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'CR' => 21, |
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'HR' => 21, |
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'CY' => 28, |
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'CZ' => 24, |
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'DK' => 18, |
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'DO' => 28, |
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'EE' => 20, |
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'FO' => 18, |
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'FI' => 18, |
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'FR' => 27, |
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'GE' => 22, |
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'DE' => 22, |
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'GI' => 23, |
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'GR' => 27, |
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'GL' => 18, |
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'GT' => 28, |
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'HU' => 28, |
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'IS' => 26, |
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'IE' => 22, |
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'IL' => 23, |
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'IT' => 27, |
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'JO' => 30, |
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'KZ' => 20, |
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'KW' => 30, |
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'LV' => 21, |
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'LB' => 28, |
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'LI' => 21, |
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'LT' => 20, |
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'LU' => 20, |
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'MK' => 19, |
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'MT' => 31, |
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'MR' => 27, |
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'MU' => 30, |
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'MD' => 24, |
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'MC' => 27, |
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'ME' => 22, |
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'NL' => 18, |
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'NO' => 15, |
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'PK' => 24, |
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'PL' => 28, |
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'PS' => 29, |
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'PT' => 25, |
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'QA' => 29, |
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'XK' => 20, |
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'RO' => 24, |
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'LC' => 32, |
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'SM' => 27, |
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'ST' => 25, |
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'SA' => 24, |
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'RS' => 22, |
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'SC' => 31, |
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'SK' => 24, |
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'SI' => 19, |
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'ES' => 24, |
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'SE' => 24, |
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'CH' => 21, |
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'TL' => 23, |
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'TN' => 24, |
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'TR' => 26, |
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'UA' => 29, |
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'AE' => 23, |
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'GB' => 22, |
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'VG' => 24, |
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]; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function validate($input): bool |
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{ |
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if (!is_string($input)) { |
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return false; |
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} |
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$iban = str_replace(' ', '', $input); |
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if (!preg_match('/[A-Z0-9]{15,34}/', $iban)) { |
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return false; |
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} |
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$countryCode = substr($iban, 0, 2); |
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if (!$this->hasValidCountryLength($iban, $countryCode)) { |
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return false; |
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} |
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$checkDigits = substr($iban, 2, 2); |
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$bban = substr($iban, 4); |
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$rearranged = $bban.$countryCode.$checkDigits; |
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return bcmod($this->convertToInteger($rearranged), '97') === '1'; |
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} |
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private function hasValidCountryLength(string $iban, string $countryCode): bool |
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{ |
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if (!isset(self::COUNTRIES_LENGTHS[$countryCode])) { |
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return false; |
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} |
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return strlen($iban) === self::COUNTRIES_LENGTHS[$countryCode]; |
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} |
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private function convertToInteger(string $reArrangedIban): string |
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{ |
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return preg_replace_callback( |
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'/[A-Z]/', |
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static function (array $match): int { |
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return ord($match[0]) - 55; |
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}, |
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$reArrangedIban |
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); |
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} |
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} |
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Respect /
Validation
