ARDUINO-REST_CLIENT [retrieve Json]

#include "ESP8266WiFi.h"
#include <ESP8266HTTPClient.h>
#include <ArduinoJson.h>


//SSID of your network
char ssid[] = "ELITE_GLOBAL"; //SSID of your Wi-Fi router
char pass[] = "assasin_cok"; //Password of your Wi-Fi router

void setup()
{
   Serial.begin(115200);
  Serial.print("Sedang Menghubungkan -> ");
  Serial.print(ssid);

  WiFi.begin(ssid, pass);
  dht.begin();
  while (WiFi.status() != WL_CONNECTED)
  {
    delay(500);
    Serial.print(".");
  }
   Serial.println(" ");
   Serial.print("Terhubung , IP address : ");
   Serial.println(WiFi.localIP());

}

void loop() {
  Serial.println("========= OUTPUT ============");
  tampil();
  Serial.println("=============================");
  Serial.println(" ");
  delay(3000);
}

void tampil()
{
   HTTPClient http;
     http.begin("http://ferrynurr.000webhostapp.com/kelembaban");  // online pake ini
   // http.begin("http://LoliconPC/REST_API/sensor");               // offline pake ini

    int httpCode = http.GET();
    if (httpCode > 0)
    {

        String json  = http.getString();                      //Get the request response payload
        const size_t bufferSize = JSON_OBJECT_SIZE(4) + 100;
        DynamicJsonBuffer jsonBuffer(bufferSize);
        JsonArray& root = jsonBuffer.parseArray(json);
        String kondisi = root[0]["kelembaban_tanah"];
        Serial.print("tingkat kelembaban : ");
        Serial.println(kondisi);
        http.end();   //Close connection

    }
}

void tanah_post(int kalib)
{

    StaticJsonBuffer<300> JSONbuffer;   //Declaring static JSON buffer
    JsonObject& JSONencoder = JSONbuffer.createObject();
    JSONencoder["user"] = user;
    JSONencoder["passwd"] = passwd;
    JSONencoder["no_key"] = no_key;
    JSONencoder["output_sensor"] = kalib;
    JSONencoder["letak"] = "B2";

    char JSONmessageBuffer[300];
    JSONencoder.prettyPrintTo(JSONmessageBuffer, sizeof(JSONmessageBuffer));
    //Serial.println(JSONmessageBuffer);

    HTTPClient http;    //Declare object of class HTTPClient
    http.begin("http://ferrynurr.000webhostapp.com/rest_json/kel_tanah");
    http.addHeader("Content-Type", "application/json");

    int httpCode = http.POST(JSONmessageBuffer);   //Send the request
    if(httpCode > 0){
       String payload = http.getString();                                        //Get the response payload
      Serial.println(payload);    //Print request response payload
    }else{
       Serial.println(http.errorToString(httpCode).c_str());
    }

    http.end();  //Close connection

}