FM / Calculator

/home/techb158/exp.abdallabala.com/vendor/fzaninotto/faker/src/Faker/Calculator/

/home/techb158/exp.abdallabala.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	1376	0644	edit dl rm

Edit: /home/techb158/exp.abdallabala.com/vendor/fzaninotto/faker/src/Faker/Calculator/TCNo.php (1376B)

<?php

namespace Faker\Calculator;

use InvalidArgumentException;

class TCNo
{
    /**
     * Generates Turkish Identity Number Checksum
     * Gets first 9 digit as prefix and calcuates checksums
     *
     * https://en.wikipedia.org/wiki/Turkish_Identification_Number
     *
     * @param string $identityPrefix
     * @return string Checksum (two digit)
     */
    public static function checksum($identityPrefix)
    {
        if (strlen((string)$identityPrefix) !== 9) {
            throw new InvalidArgumentException('Argument should be an integer and should be 9 digits.');
        }

$oddSum = 0;
        $evenSum = 0;

$identityArray = array_map('intval', str_split($identityPrefix)); // Creates array from int
        foreach ($identityArray as $index => $digit) {
            if ($index % 2 == 0) {
                $evenSum += $digit;
            } else {
                $oddSum += $digit;
            }
        }

$tenthDigit = (7 * $evenSum - $oddSum) % 10;
        $eleventhDigit = ($evenSum + $oddSum + $tenthDigit) % 10;

return $tenthDigit . $eleventhDigit;
    }

/**
     * Checks whether an TCNo has a valid checksum
     *
     * @param string $tcNo
     * @return boolean
     */
    public static function isValid($tcNo)
    {
        return self::checksum(substr($tcNo, 0, -2)) === substr($tcNo, -2, 2);
    }
}

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