How would i go about Paypal IPN

[Jayden]

So i want to make a automatic donation system for a garrysmod gamemode (perp) but im not sure how i would use the paypal ipn with the gameserver and mysql.....

Can anyone help me out?

[Chessnut]

[url]http://net.tutsplus.com/tutorials/php/using-paypals-instant-payment-notification-with-php/[/url]