Jumpy09 Posted December 27, 2010 Share Posted December 27, 2010 I'm working on an upload script which will upload my Shopping Cart to Paypal. I've not worked with this kind of thing before and have no idea where to put this question. Does anyone know of a way to make sure no one messes with the Form Fields so they can't edit the price? I'm not working with Paypal API or IPN, just form fields which will upload it. Going off of their code. I've thought to verify the lowest price and highest price, but I'm not sure how Shopping Cart systems validate things. The shopping cart I am building is going to offer Coupon Codes and various prices. Which alters what things can turn out to be. Link to comment https://forums.phpfreaks.com/topic/222741-my-shopping-cart-to-paypal-upload/ Share on other sites More sharing options...
the182guy Posted December 27, 2010 Share Posted December 27, 2010 Shopping cart software uses IPN for Paypal which is the way you should do it if you want to verify all the details about a transaction. Why are you avoiding this method? Link to comment https://forums.phpfreaks.com/topic/222741-my-shopping-cart-to-paypal-upload/#findComment-1151814 Share on other sites More sharing options...
Jumpy09 Posted December 27, 2010 Author Share Posted December 27, 2010 Because I have no idea how to do it lol. Link to comment https://forums.phpfreaks.com/topic/222741-my-shopping-cart-to-paypal-upload/#findComment-1151815 Share on other sites More sharing options...
Jumpy09 Posted December 27, 2010 Author Share Posted December 27, 2010 Any good sites out there to learn from? I've tried a lot of places and just get lost in it all. Link to comment https://forums.phpfreaks.com/topic/222741-my-shopping-cart-to-paypal-upload/#findComment-1151822 Share on other sites More sharing options...
the182guy Posted December 27, 2010 Share Posted December 27, 2010 Paypal themselves have sample code and tutorials: https://cms.paypal.com/uk/cgi-bin/?cmd=_render-content&content_ID=developer/e_howto_admin_IPNImplementation Link to comment https://forums.phpfreaks.com/topic/222741-my-shopping-cart-to-paypal-upload/#findComment-1151824 Share on other sites More sharing options...
Jumpy09 Posted December 27, 2010 Author Share Posted December 27, 2010 Thanks for the link. It's helping a little, but I just used paypal's certificate encryption thing. Seems to work and encrypt my buttons from negative changes. Link to comment https://forums.phpfreaks.com/topic/222741-my-shopping-cart-to-paypal-upload/#findComment-1151879 Share on other sites More sharing options...
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