Problem PHP receives the parameters passed by request payload.

When using Apidoc, there is a configuration parameter that is

@apiSampleRequest http://Localhost/api

During the test, it was found that the parameters sent were request payload, while the API used in PHP was requested using $_post, and the data was received using file_get_contents ("Php://input") to receive the request Payload parameters are feasible, but all the parameters in the API are changed to this, the project is a bit large, so the evening need to study jquery ajax send request payload data, in PHP a more appropriate way to receive

Problem PHP receives the parameters passed by request payload.