ESP8266 Read a .txt or .php file

Projects Programming
3

String url = "https://192.168.2.101/test/test.php";

http.begin(url);
xrpi = http.GET();
http.end();

Serial.println("xrpi is:");
Serial.println(xrpi);
Serial.println("\n");
delay(500);

in the xrpi String it only writes a 200 or a -1. What am i doing wrong?