<?php

class Test_api extends MY_Controller {
   function get_param() {
      $body = file_get_contents("php://input");
      return json_decode($body,true); 
   }
   function index() {
      //print param 
      //pritn headers
      echo "post : ";
      print_r($_POST);
      echo "param: ";
      print_r($this->get_param());
      echo "header : ";
      print_r(getallheaders());
   }
}