var camposRequeridos={IDVisita: this.reparto.IDVisita, Expedicion: this.albaranes};

 this.communicate.postRecogida(camposRequeridos);

export class CommunicateProvider {
  private defaultHeaders = {"Content-Type": "application/json"};

  constructor(public http:HTTP,
            private auth: AuthProvider) {
    this.http.setDataSerializer('json');
     this.albaranes==null;
     this.cliente=null;
     this.reembolsos=0;
  }

  get(URL, params, headers){
    let signedHeaders = this.auth.signRequest(headers);
    return this.http.get(URL, params, signedHeaders);
  }

  post(URL, params, headers){
    let signedHeaders = this.auth.signRequest(headers);
    return this.http.post(URL, params, signedHeaders);
  }

   postRecogida(camposRequeridos){
     return this.http.post(SERVER_URL + '/Recogida', camposRequeridos, this.auth.signRequest(this.defaultHeaders));
   }
}

case 'POST':
        {
            parse_str($var, $POST);
            $_POST = array_merge((array)$_POST, (array)$POST);
            break;
        }

if(isset($_POST['Expedicion'])){
   if(is_string($_POST['Expedicion'])){
      $expediciones = json_decode($_POST['Expedicion'], true);
   }else{
      $expediciones = $_POST['Expedicion'];
   }
}else{
   $expediciones = array();
}