php

Algorithm Dictionary php Programmer Programming Security
Steganography
January 11, 2018
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Images have been used to hide secret messages using a process called Steganography. Have you ever watched a spy movie where the operative goes to a profile and using the picture there, extracts a secret message? This is called steganography, concealing information inside something else. While there are many ways to accomplish this, one of […]
Algorithm Fundamental php Programming
LUHN Algorithm to Validate Credit Card & Example & Implementation with Programming Example
January 21, 2016
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The LUHN Algorithm is used to distinguish valid Credit Card numbers that is random selection of digits. Credit Card numbers that can be validated by the LUHN Algorithm have numbers that pass the following test: 1. Reverse the order of the digits in the number. 2. Take the first, third, … and every other odd […]