HELLo,
Just wanted to inform you about a brand new Envato PHP API Library that will allow you to easily connect and interact with the Envato API.
Some feedback would be greatly appreciated. After all our testing it seems to be extremely stable, but if anyone finds use for this library and experience some problems, please don’t hesitate to let us know 
Github: https://github.com/smafe-com/envato-api-library
Documentation / Demo: https://envato-api.demo.smafe.com/
Happy coding!