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Informations about the package checkdigit
ABANDONED! This package is discontinued and will not be updated.
Checkdigit
Helper classes to calculate and validate ckecksums.
Installation
Checkdigit requires the bcmath php extension.
API
The Calculator
interface defines two methods:
isValid(string $number): bool
checks if number contains a valid check digit.calculateCheckDigit(string $number): string
calculates the check digit for number.
Implementations include:
Luhn
for modulo 10 check digits (Luhn is simply a shorthand for Modulo10).Modulo10Gtin
for modulo 10 check digits variant used in GTIN barcodes.Modulo11
for modulo 11 check digits.Modulo97
for modulo 97 check digits.
Usage
All versions of checkdigit with dependencies
PHP Build Version
Package Version
Requires
php Version
>=7.0
ext-bcmath Version *
ext-bcmath Version *
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