Encrypting the credit card numbers does the job quite nicelyThe following has worked very well for encrypting and decrypting numbers:
DOWNLOAD WEBDNA NOW!
A list of user-submitted tips ...WebDNA Modules
A list of the currently available modules...AWS Raw WebDNA LAMP-Plus WebServer
Amazon Web Services (AWS) README for Machine Image ID...WebDNA Libraries
A list of available libraries for WebDNA...Download WebDNA Applications
WebDNA applications...Technical Change History
This Technical Change History provides a reverse chronological list of WebDNA changes...
How can I remove all whitespace entered by a user from an input box (ie card number)...ImageMagick
Use ImageMagick to manipulate images when you upload them...Hideif on IP range
This will show or hide stuff according to the IP...Setting a 30-minute Cookie
Configuring the expires time for a short-term cookie is tricky...Database backup
How to make a backup of your databases...Formatting a long list in a table
How to show the result of a search as a table...