private function validateCardNumber($card_number)
{
if (!$card_number) {
return false;
}
//check wrong symbol in number
if (!preg_match('/^[\\s\\d]*$/', $card_number)) {
return false;
}
//delete spaces
$card_number = preg_replace('/\\D/', '', $card_number);
//not empty
if ($card_number == '') {
return false;
}
//check length
if (strlen($card_number) > 20 || strlen($card_number) < 13) {
return false;
}
//luhn algoritm
$luhn = new Luhn();
if (!$luhn->check($card_number)) {
return false;
}
return true;
}
/**
* Tests if Luhn validator is able to detect valid Luhn sequences
*/
public function testIsValid()
{
// Arrange
$luhnValidator = new Luhn();
// Arrange
// Assert
foreach ($this->validLuhns as $number) {
$this->assertTrue($luhnValidator->isValid($number));
}
foreach ($this->invalidLuhns as $number) {
$this->assertFalse($luhnValidator->isValid($number));
}
}
private static function validateIsbn13($isbn13)
{
if (strlen($isbn13) != 13 || !ctype_digit($isbn13)) {
return false;
}
return Luhn::check($isbn13, 13, false);
}
/**
* @param mixed $iswc
*
* @return bool
*/
public static function validate($iswc)
{
if (!(bool) preg_match('/^\\s*T[\\-.]?(\\d)(\\d)(\\d)[\\-.]?(\\d)(\\d)(\\d)[\\-.]?(\\d)(\\d)(\\d)[\\-.]?(\\d)\\s*$/i', $iswc)) {
return false;
}
$hyphens = ['‐', '-', '.'];
$iswc = parent::unDecorate($iswc, $hyphens);
$sum = 1;
for ($i = 1; $i <= 9; ++$i) {
$sum = $sum + $i * (int) $iswc[$i];
}
$rem = $sum % 10;
if ($rem !== 0) {
$rem = 10 - $rem;
}
return (int) $iswc[10] === $rem;
}
/**
* @dataProvider isCheckDigitValidProvider
*/
public function testIsCheckDigitValid($testNumber, $expectedResult)
{
$algorithm = new Luhn();
$this->assertEquals($expectedResult, $algorithm->isCheckDigitValid($testNumber));
}
/**
* Calculates the checksum of a swedish social security number (personnummer)
*
* Using the Luhn algorithm
*/
public static function calcLunh($ssn)
{
// remove first 2 digits of YYYY
if (strlen($ssn) == 12) {
$ssn = substr($ssn, 2);
}
if (strlen($ssn) != 10) {
throw new \Exception('XXX should not happen');
}
$sum = Luhn::Calculate(substr($ssn, 0, -1));
return substr($ssn, -1, 1) == $sum;
}
<?php /** * Created by PhpStorm. * User: bamdad * Date: 2/3/2016 * Time: 9:02 PM */ include_once './autoload.php'; $luhn = new Luhn(); $luhn->validate(79927398713); echo $luhn->luhanize(79927398714);
/**
* {@inheritdoc}
*/
public static function unDecorate($gtin, $hyphens = self::HYPHENS)
{
return parent::unDecorate($gtin, $hyphens);
}
