I will be tasked with creating my first (first for me anyways) secure online shopping cart. It will need to process credit cards etc.
To give some context/background: I know how the process works, for example getting a third part to process the cards, setup a merchant account etc... And I've got an understanding of how carts work from the backend. What I've never done is actually tied a shopping cart system into a third party credit card processing service.
Ok enough about the history lesson, here are my questions.
Since I see no need to re-invent the wheel I'd like to find an exiting shopping cart package that I can plug into the website. Since I'm most familiar with PHP/MySQL I'm looking for something based in, you guessed it PHP/MySQL.
Any suggestions on existing shopping cart pacakages?
Are there particular ones you've used? Some you like more than others?
Any credit card processing services you like? Have any tips, tricks or things you wish you knew before setting up a shopping cart and credit card processing service?