มือใหม่สอบถามหน่อยค่ะ เขียนโปรแกรม connect ไปใน database xampp แต่ connect ไม่ได้ (อัพรูปใหม่)

<?php

/*
  Rui Santos
  Complete project details at https://RandomNerdTutorials.com/esp32-esp8266-mysql-database-php/
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files.
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
*/

include "connect.php";
$api_key_value = "tPmAT5Ab3j7F9";

if ($_SERVER["REQUEST_METHOD"] == "GET") {
    $api_key = $_GET["api_key"];
    if($api_key == $api_key_value) {
        $s1 = $_GET["s1"];
        $lo1 = $_GET["lo1"];
        $t1 = $_GET["t1"];
        $h1 = $_GET["h1"];
        $pm1 = $_GET["pm1"];
        $pm2 = $_GET["pm2"];
        $pm3 = $_GET["pm3"];

          
           $sql = "INSERT INTO sensordata (sensor, location, temp, hum,  pm1, pm2, pm3)
           VALUES ('" . $s1 . "', '" . $lo1 . "', " . $t1 . ", " . $h1 . ", " . $pm1 . ", " . $pm2 . ", " . $pm3 . ")";
           $objQuery = mysqli_query($conn,$sql);

    }else {
        echo "Wrong API Key provided.";
    }

}else {
    echo "No data getted with HTTP GET.";
}

?>

/*************************************************** 
  This is an example for the SHT31-D Humidity & Temp Sensor

  Designed specifically to work with the SHT31-D sensor from Adafruit
  ----> https://www.adafruit.com/products/2857

  These sensors use I2C to communicate, 2 pins are required to  
  interface
 ****************************************************/
 
#include <Arduino.h>
#include <WiFi.h>
#include <HTTPClient.h>
#include <TridentTD_LineNotify.h>
#include <Wire.h>
#include "Adafruit_SHT31.h"

Adafruit_SHT31 sht31 = Adafruit_SHT31();

#if defined(ARDUINO_ARCH_SAMD)
// for Zero, output on USB Serial console, remove line below if using programming port to program the Zero!
   #define Serial SerialUSB
   
#endif
//config Line
#define LINE_TOKEN  "H3k0goIB4KGvAQiEpRMHzHmCN5cyRV0jpI2pDoIDybZ"

// Replace with your network credentials
const char* ssid     = "iPhone";
const char* password = "KKKjjj21";

// REPLACE with your Domain name and URL path or IP address with path
const char* serverName = "http://172.20.10.11/esp32/post-esp-data.php";

// Keep this API Key value to be compatible with the PHP code provided in the project page. 
// If you change the apiKeyValue value, the PHP file /post-esp-data.php also needs to have the same key 

String apiKeyValue = "tPmAT5Ab3j7F9";
String sensorName = "SHT31";
String ups = "1";

unsigned long last_time=0;

void setup() {
  Serial.begin(115200);
  WiFi.begin(ssid, password);
  Serial.println("Connecting");
  while(WiFi.status() != WL_CONNECTED) { 
    delay(100);
    Serial.print(".");
  }
  Serial.println("");
  Serial.print("Connected to WiFi network with IP Address: ");
  
  Serial.println(WiFi.localIP());
  LINE.setToken(LINE_TOKEN);  // กำหนด Line Token
  sht31.begin(0x44);
  
}
void loop() {
  if (millis() > last_time + 5000) { //***1000 millis = 1 วินาที, 1 นาที = 60 วินาที , 30 นาที = 1000 x 60 x 30 = 1800000
    
  float t1 = sht31.readTemperature();
  float h1= sht31.readHumidity();
  int adc=analogRead(A0);
  if (isnan(t1) || isnan(h1))
  
  {
    Serial.println("Error reading ");
    delay(1000);
    return;
  }
  

  Serial.print("Humidity: ");
  Serial.print(h1); // แสดงค่าความชื้น
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t1);  // แสดงค่าอุณหภูมิเป็นองศาเซลเซียส
  Serial.println(" *C ");
  if (t1 > 27 ) // กำหนดว่า อุณภูมิเกิน เมื่อไหร่ ให้แจ้งเตือนเข้าไลน์
      LINE.notify("\n***อุณหภูมิสูงเกินมาตรฐาน***\nอุณหภูมิขณะนี้ " + String(t1) + " องศา\nความชื้นขณะนี้ " + String(h1) + " %"); 
    else if (t1 < 18 )
      LINE.notify("\n***อุณหภูมิต่ำกว่ามาตรฐาน***\nอุณหภูมิขณะนี้ " + String(t1) + " องศา\nความชื้นขณะนี้ " + String(h1) + " %");
    else if (h1 > 60 )
    LINE.notify("\n***ความชื้นสูงเกินมาตรฐาน***\nความชื้นขณะนี้ " + String(h1) + " %\nอุณหภูมิขณะนี้ " + String(t1) + " องศา");
    else if (h1 < 40 )
    LINE.notify("\n***ความชื้นต่ำกว่ามาตรฐาน***\nความชื้นขณะนี้ " + String(h1) + " %\nอุณหภูมิขณะนี้ " + String(t1) + " องศา");
      
  //Check WiFi connection status
  if(WiFi.status()== WL_CONNECTED){
    HTTPClient http;
    
 // Your Domain name with URL path or IP address with path
   http.begin("http://172.20.10.11/esp32/post-esp-data.php?api_key=" + apiKeyValue + "&s1=" + sensorName + "&lo1=" + ups+ "&t1=" +  String(t1)+ "&h1=" +  String(h1)+ "&pm1=NULL&pm2=NULL&pm3=NULL");  
    int httpCode = http.GET();
    

    digitalWrite(LED_BUILTIN, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(LED_BUILTIN, LOW);    // turn the LED off by making the voltage LOW


    
    // You can comment the httpRequestData variable above
    // then, use the httpRequestData variable below (for testing purposes without the BME280 sensor)
    //String httpRequestData = "api_key=tPmAT5Ab3j7F9&sensor=BME280&location=Office&value1=24.75&value2=49.54&value3=1005.14";
    // Send HTTP POST request
    
     
    // If you need an HTTP request with a content type: text/plain
    //http.addHeader("Content-Type", "text/plain");
    //int httpResponseCode = http.POST("Hello, World!");
    
    // If you need an HTTP request with a content type: application/json, use the following:
    //http.addHeader("Content-Type", "application/json");
    //int httpResponseCode = http.POST("{\"value1\":\"19\",\"value2\":\"67\",\"value3\":\"78\"}");
        
    
    last_time = millis();
  delay(1000);
   }
  }
}