php-iban
Math PHP
php-iban | Math PHP | |
---|---|---|
2 | 21 | |
469 | 2,310 | |
- | - | |
5.4 | 6.2 | |
about 2 months ago | about 1 month ago | |
PHP | PHP | |
GNU Lesser General Public License v3.0 only | MIT License |
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php-iban
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Take a break: Error-detecting codes in credit card numbers, ISBNs etc. (2000)
Memories. About 12 years ago I looked in to this stuff as part of adding national checksum support to an IBAN library. It was quite a mission to discover the number of systems out there, most of which were insufficiently documented or undocumented. Wound up reverse engineering quite a few of them (period braindump available[3]).
In the end I wrote a function[1] which reverses an input known to fail a checksum to determine probable transcription errors based upon a manually compiled, exhaustive list of probable mistranscriptions[2].
[1] https://github.com/globalcitizen/php-iban/blob/master/php-ib...
- Falsehoods Programmers Believe About IBANs
Math PHP
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