01_True_Project.ino

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

const char* ssid     = "GN";
const char* password = "giveme500";

const char* host = "192.168.137.1";
const int httpPort = 80;
String var = "12345";

void setup() {
  Serial.begin(115200);
  delay(10);

  // We start by connecting to a WiFi network
  Serial.println();
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
   delay(500);
   Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected");  
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}

int value = 0;

void loop() {
 delay(5000);
 ++value;

 Serial.print("connecting to ");
 Serial.println(host);

 // Use WiFiClient class to create TCP connections
// WiFiServer server(httpPort);
 WiFiClient client;// = server.available(); 
 if (!client.connect(host, httpPort)) {
  Serial.println("connection failed");
  return;
 }

 // We now create a URI for the request
 String url = "/jok/Auth.php?data="+var;

 Serial.print("Requesting URL: ");
 Serial.println(url);

 // This will send the request to the server
 client.print(String("GET ") + url + " HTTP/1.1\r\n" +
           "Host: " + host + "\r\n" +
           "Connection: close\r\n\r\n");
 unsigned long timeout = millis();
 while (client.available() == 0) {
 if (millis() - timeout > 5000) {
  Serial.println(">>> Client Timeout !");
  client.stop();
  return;
 }
}

 // Read all the lines of the reply from server and print them to Serial
 while(client.available()){
  String line = client.readStringUntil('\r');
  Serial.print(line);
 }

 Serial.println();
 Serial.println("closing connection"); 
}