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%PDF-
Mini Shell
Mini Shell
<?php declare(strict_types=1);
namespace Sunfox\Spayd\Utilities;
use Sunfox\Spayd\Model\DefaultAccount;
final class IbanUtilities
{
/**
* @var array<int, string>
*/
const LOCALE_ALPHABET = [
10 => 'A',
11 => 'B',
12 => 'C',
13 => 'D',
14 => 'E',
15 => 'F',
16 => 'G',
17 => 'H',
18 => 'I',
19 => 'J',
20 => 'K',
21 => 'L',
22 => 'M',
23 => 'N',
24 => 'O',
25 => 'P',
26 => 'Q',
27 => 'R',
28 => 'S',
29 => 'T',
30 => 'U',
31 => 'V',
32 => 'W',
33 => 'X',
34 => 'Y',
35 => 'Z',
];
public static function computeIbanFromBankAccount(DefaultAccount $account): ?string
{
if ($account->isValid()) {
$prefix = str_pad($account->getPrefix(), 6, '0', STR_PAD_LEFT);
$accountNumber = str_pad($account->getAccountNumber(), 10, '0', STR_PAD_LEFT);
$bankCode = str_pad($account->getBankCode(), 4, '0', STR_PAD_LEFT);
$accountBuffer = $bankCode . $prefix . $accountNumber . self::getNumericLanguageCode($account->getLocale());
$checksum = sprintf('%02d', (98 - bcmod($accountBuffer, '97')));
// build the IBAN number
return $account->getLocale() . $checksum . $bankCode . $prefix . $accountNumber;
}
return null;
}
/**
* Returning numeric code of localization of account
*/
private static function getNumericLanguageCode(string $locale): string
{
$numericLanguageCode = '';
// step over each char from language code
foreach(str_split($locale) as $char) {
// use the number for latin alphabet to decode
$numericLanguageCode .= array_search($char, self::LOCALE_ALPHABET);
}
return $numericLanguageCode . '00';
}
}
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