Pass data to database

hey Hi guys I want to add data to data base so this is my code in ts

constructor(public navCtrl: NavController,
public http: Http,
public NP: NavParams,
public fb: FormBuilder,
public toastCtrl: ToastController) {
this.baseURI = "src/app/";


register() {

let body: string = "key=create&name=" + + "&email=" + + "&number=" + this.number + "&password=" + this.password,
  type: string = "application/x-www-form-urlencoded; charset=UTF-8",
  headers: any = new Headers({ 'Content-Type': type }),
  options: any = new RequestOptions({ headers: headers }),
  url: any = this.baseURI + "add-data.php";

but above its showing me an error of POST http://localhost:8100/src/app/add-data.php 404 (Not Found)

Please help me to fix this issue in my app folder i have made php file to connect with database and store the data

Your PHP script has to run on some kind of webserver, it can’t be part of your Ionic app.