Tag Archive for 'validation'

My first five Dollar Bill

Yesterday I got my hands on my very first Lincoln (five dollars) bill, they seem much more older and used than Euro banknotes. As I had already made a Euro note serial number validation algorithm in PHP I thought: “why don’t I do the same for dollar bills?”.

Five Dollars (Front)

Continue reading ‘My first five Dollar Bill’

Euro banknote validation with PHP

Euro Notes

Have you ever come across a fake Euro banknote? Well, most of us probably have (at least those of us who live in the European Union, like me) - more than 300 thousand Euro banknotes are falsified every year.

Continue reading ‘Euro banknote validation with PHP’