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PHP Database Access: Are You Doing It Correctly?

We've covered PHP's PDO API a couple of times here on Nettuts+, but, generally, those articles focused more on the theory, and less on the application. This article will fix that! To put it plainly, if you're still using PHP's old mysql API to connect to your databases, read on! What? It's possible that, at this point, the only thought in your mind is, "What the heck is PDO?" Well, it's one of PHP's three available APIs for connecting to a MySQL database. "Three," you say? Yes; many folks don't...
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How to Process Credit Cards with PayPal Payments Pro Using PHP

PayPal is one of the most popular payment processing platforms available today for many reasons. Its ease of use and its connection to the eBay platform are just the tip of the iceberg. While one of its most popular features is the ability to simply sign in to your PayPal account to submit payments, merchants using PayPal can also accept credit cards directly just like a traditional merchant account solution would provide. PayPal calls this solution Payments Pro, and I’m going to show you exactly...
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