WP_REST_Request::parse_body_params()
Parses the request body parameters.
Parses the request body parameters.
Parses the JSON parameters.
Removes all values for a header.
Sanitizes (where possible) the params on the request.
Sets the attributes for the request.
Sets body content.
Sets parameters from the body.
Sets default parameters.
Sets multipart file parameters from the body.
Sets the header on request.