i ahve site in which people can submit the article for free.
but now i am trying to add feature in that article distribution.
if person pay me $50 i can distribute his article to many sites.
so i need the site such taht he can pay through credit card visa ext. how i have to proceed . how to validate the credit card information. i need this in php. can anyone give me the ide how this works?.i have seen in many site when we try to order it gos to 2checkout.com or paypall.com.please any body give sajection how it works