FM / Calculator

/home/techb158/dev.balacoffee.com/vendor/fzaninotto/faker/src/Faker/Calculator/

/home/techb158/dev.balacoffee.com/vendor/fzaninotto/faker/src/Faker/Calculator

Name	Size	Mode	Actions
Ean.php	1225	0644	edit dl rm
Iban.php	1716	0644	edit dl rm
Inn.php	1038	0644	edit dl rm
Luhn.php	1763	0644	edit dl rm
TCNo.php	1375	0644	edit dl rm

Edit: /home/techb158/dev.balacoffee.com/vendor/fzaninotto/faker/src/Faker/Calculator/Luhn.php (1763B)

<?php

namespace Faker\Calculator;

use InvalidArgumentException;

/**
 * Utility class for generating and validating Luhn numbers.
 *
 * Luhn algorithm is used to validate credit card numbers, IMEI numbers, and
 * National Provider Identifier numbers.
 *
 * @see http://en.wikipedia.org/wiki/Luhn_algorithm
 */
class Luhn
{
    /**
     * @param string $number
     * @return int
     */
    private static function checksum($number)
    {
        $number = (string) $number;
        $length = strlen($number);
        $sum = 0;
        for ($i = $length - 1; $i >= 0; $i -= 2) {
            $sum += $number[$i];
        }
        for ($i = $length - 2; $i >= 0; $i -= 2) {
            $sum += array_sum(str_split($number[$i] * 2));
        }

return $sum % 10;
    }

/**
     * @param $partialNumber
     * @return string
     */
    public static function computeCheckDigit($partialNumber)
    {
        $checkDigit = self::checksum($partialNumber . '0');
        if ($checkDigit === 0) {
            return 0;
        }

return (string) (10 - $checkDigit);
    }

/**
     * Checks whether a number (partial number + check digit) is Luhn compliant
     *
     * @param string $number
     * @return bool
     */
    public static function isValid($number)
    {
        return self::checksum($number) === 0;
    }

/**
     * Generate a Luhn compliant number.
     *
     * @param string $partialValue
     *
     * @return string
     */
    public static function generateLuhnNumber($partialValue)
    {
        if (!preg_match('/^\d+$/', $partialValue)) {
            throw new InvalidArgumentException('Argument should be an integer.');
        }
        return $partialValue . Luhn::computeCheckDigit($partialValue);
    }
}

= 0; $i -= 2) { $sum += $number[$i]; } for ($i = $length - 2; $i >= 0; $i -= 2) { $sum += array_sum(str_split($number[$i] * 2)); } return $sum % 10; } /** * @param $partialNumber * @return string */ public static function computeCheckDigit($partialNumber) { $checkDigit = self::checksum($partialNumber . '0'); if ($checkDigit === 0) { return 0; } return (string) (10 - $checkDigit); } /** * Checks whether a number (partial number + check digit) is Luhn compliant * * @param string $number * @return bool */ public static function isValid($number) { return self::checksum($number) === 0; } /** * Generate a Luhn compliant number. * * @param string $partialValue * * @return string */ public static function generateLuhnNumber($partialValue) { if (!preg_match('/^\d+$/', $partialValue)) { throw new InvalidArgumentException('Argument should be an integer.'); } return $partialValue . Luhn::computeCheckDigit($partialValue); } }