Php developer required for shopping cart integration

Were a services company with a custom shopping cart that needs integration with authorize using their accept.js java script library. We require a simple Php sample code(.php page and require folder sc Were a services company with a custom shopping cart that needs integration with authorize using their accept.js java script library. We require a simple Php sample code(.php page and require folder sctructure)that can be used on different domains without major modifications. Php code will be uploaded to a linux server.