556723 Keycode IPN delivery script

I need an programmer experienced in php scripts to create a script which will answer a PayPal IPN call and deliver pre-loaded keycodes back through PayPal so that the purchaser of our product receives his activation keycode with their paymemt receipt email. Please see the attached Word Doc file with a description of the flow of actions required in this process. Please ONLY bid on this if you are a capable php coder who has IPN language skills. Any programmers with insufficient experience in this type of thing will not be considered worthy or engaging for the project. This is not a difficult task. A simple script would do the job but the successful coder will need to be able to fully systematize the process including installation of the script on our server and then ensuring that it communicates effectively with the PayPal IPN. I need to put this process into action as soon as possible so that will be a factor when considering the suitable programmer. If you're good and you're able to work quickly then please submit your bid. This should be quite a straightforward project for any decent coder. TERMS: * Only reputable and capable SL coders with decent SL review history will be considered. * Payment will be made via SL Escrow * Completion of project to be made within 1 days of commencement of project which should commence once coder is selected or by mutual agreement. Thank you in advance for your interest and bidding.