[PHP] Creditcard checksum and identification

Has anyone a PHP Script for the checksum of Creditcards? And a Script which can identify card types based on their first numbers? (VISA, AMEX, MASTER, DINERS, JBC, DISCOVERY) There where a lot of JavaScript pages on the web some years ago, but I have lost my local copies and the pages are

Re: [PHP] Creditcard checksum and identification

On Thu, 23 Aug 2001 00:22:28 +0200, Peter Ostry [EMAIL PROTECTED] wrote: Has anyone a PHP Script for the checksum of Creditcards? And a Script which can identify card types based on their first numbers? (VISA, AMEX, MASTER, DINERS, JBC, DISCOVERY) There where a lot of JavaScript pages on the

RE: [PHP] Creditcard checksum and identification

Here's what I pulled from px.sklar.com and modified to suit my own devious ends... :) ? Function verifyCreditCard ($Number, $creditcardtype = ) { // Nicked this from: http://www.analysisandsolutions.com/code/ccvs-ph.htm // Checks the 1st 4 digits for validity, then checks