/**
* International Bank Account Number (IBAN)
*
* @link http://en.wikipedia.org/wiki/International_Bank_Account_Number
* @param string $countryCode ISO 3166-1 alpha-2 country code
* @param string $prefix for generating bank account number of a specific bank
* @param integer $length total length without country code and 2 check digits
* @return string
*/
public static function iban($countryCode, $prefix = '', $length = null)
{
$countryCode = is_null($countryCode) ? self::randomKey(self::$ibanFormats) : strtoupper($countryCode);
$format = !isset(static::$ibanFormats[$countryCode]) ? null : static::$ibanFormats[$countryCode];
if ($length === null) {
if ($format === null) {
$length = 24;
} else {
$length = 0;
foreach ($format as $part) {
list($class, $groupCount) = $part;
$length += $groupCount;
}
}
}
if ($format === null) {
$format = array(array('n', $length));
}
$expandedFormat = '';
foreach ($format as $item) {
list($class, $length) = $item;
$expandedFormat .= str_repeat($class, $length);
}
$result = $prefix;
$expandedFormat = substr($expandedFormat, strlen($result));
foreach (str_split($expandedFormat) as $class) {
switch ($class) {
default:
case 'c':
$result .= mt_rand(0, 100) <= 50 ? static::randomDigit() : strtoupper(static::randomLetter());
break;
case 'a':
$result .= strtoupper(static::randomLetter());
break;
case 'n':
$result .= static::randomDigit();
break;
}
}
$result = static::addBankCodeChecksum($result, $countryCode);
$checksum = Iban::checksum($countryCode . '00' . $result);
return $countryCode . $checksum . $result;
}
/**
* @dataProvider localeDataProvider
*/
public function testIban($locale)
{
$parts = explode('_', $locale);
$countryCode = array_pop($parts);
$this->loadLocalProviders($locale);
try {
$iban = $this->faker->bankAccountNumber;
} catch (\InvalidArgumentException $e) {
// Not implemented, nothing to test
return;
}
// Test format
$this->assertRegExp($this->ibanFormats[$countryCode], $iban);
// Test checksum
$this->assertTrue(Iban::isValid($iban), "Checksum for {$iban} is invalid");
}
/**
* @dataProvider mod97Provider
*/
public function testMod97($number, $result)
{
$this->assertEquals($result, Iban::mod97($number), $number);
}
/**
* @dataProvider ibanFormatProvider
*/
public function testIban($countryCode, $regex)
{
$iban = $this->faker->iban($countryCode);
// Test format
$this->assertRegExp($regex, $iban);
// Test checksum
$this->assertTrue(Iban::isValid($iban), "Checksum for {$iban} is invalid");
}