Modify and install PHP script

Hello, I need someone good in PHP programming and script installation to do the following for : 1. To integrate payza,perfectmoney,bitpay and coinpayment to the script. 2. Add User referral system to the script. This should allow users to refer their friends for a reward to be determined by admin. 3. A feature that will permit admin to give sign up bonus in virtual game money. 4. Install the scripts on my domain [login to view URL] You can find more about the script here [login to view URL]