sunaoka/damm
A PHP library that calculates and verifies the check digit using the Damm algorithm.
时间：2024-10-22 07:45
luisalberto/checkdigit-algorithms
Check Digit Algorithms
时间：2021-10-01 05:54
choval/damm
Damm algorithm functions, a check digit algorithm that detects single-digit errors and adjacent transposition errors
时间：2019-08-16 04:31
pmigut/gtin-validator
This library is a set of static methods for GTIN validation. Methods return true if given string is publicly available GTIN-8, GTIN-12, GTIN-13 or GTIN-14 code. Checks include format, check digit and prefix.
时间：2019-01-06 20:48
byrokrat/checkdigit
Helper classes to calculate and validate ckecksums
时间：2015-01-26 14:17
afoozle/checkdigit
Check Digit Validation for PHP 5.3+
时间：2012-05-13 05:08