Checknum Class 1.0

This is a PHP script to calculate checksum verification numbers using the Luhn mod10 algorithm. It calculate the verification digit of a string of digits according to the Peter Luhn algorithm.

The script can also calculate what digit should be added before or after a sequence of digits to make the resulting number validate according to the Luhn algorithm.

Requirements:
- PHP 3.0 or Higher

License type: GPL
Date added: 3 years, 1 month 15 days ago | Last updated: 3 years, 1 month 14 days ago

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