A Reversible Encryption Routine for PHP

By Tony Marston
2005-04-15

Class Variables

This first section of code defines the class name and identifies the variables that are available throughout the class.

class Encryption 

{ 

   var $scramble1;      // 1st string of ASCII characters 

   var $scramble2;      // 2nd string of ASCII characters 

   var $errors;         // array of error messages 

   var $adj;            // 1st adjustment value (optional) 

   var $mod;            // 2nd adjustment value (optional)

Tutorial Pages:
» A Reversible Encryption Routine for PHP
» Rotating each character a fixed number of positions
» Swapping between two different character strings
» Manipulating the index number between the two strings
» Customising the Encryption Algorithm
» Class Variables
» Class Constructor
» The ConvertKey function
» The ApplyFudgeFactor function
» The CheckRange Function
» The Decrypt function
» Using the Encryption Class
» Summary

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