thenewperson Posted November 6, 2009 Share Posted November 6, 2009 Wondering how do people build a payment system that checks if credit cards are valid. Link to comment https://forums.phpfreaks.com/topic/180606-payment-system/ Share on other sites More sharing options...
gizmola Posted November 6, 2009 Share Posted November 6, 2009 Depends on the payment processor(s) you are using. There's 2 levels of checking -- routines for checking the validity of numbers by the card, which are easy enough to find, and then the actual authorization checks, which require the payment processor. There's numerous PHP based shopping carts, and ecommerce systems around that you can look at for examples. For example: http://www.opencart.com/ which boasts to have support for over 20 payment gateways. Link to comment https://forums.phpfreaks.com/topic/180606-payment-system/#findComment-952868 Share on other sites More sharing options...
Maracles Posted November 6, 2009 Share Posted November 6, 2009 It also depends on whether you want the people paying to actually pay within your site, or whether you don't mind letting them momentarily leave your site to enter their details in the actual payment merchants site i.e. SagePay, Barclaycard. We recently changed from the latter to having people pay within our website and this mean't our developers had to ensure a lot more security, the benefit though is that you can make the appearance of the payment system match the design of your site) Link to comment https://forums.phpfreaks.com/topic/180606-payment-system/#findComment-952870 Share on other sites More sharing options...
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