PHP SDK for REST API: https://docs.coinapi.io/

This project is about creating simple SDK in PHP language for REST API documented at [login to view URL] SDK should have form of a single file class which can be included and used from some other project without additional external dependencies. Constructor of class should have one parameter: API Key. For each method of REST API must be defined equivalent method in SDK class. Each class method must be named using snake_case convention. Each class method must cover all REST method parameters and returning JSON deserialized object, method parameters must be aligned with documentation.