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I have a problematic issue, I send data from my ionic app running on an android device:

Data send from the app to the backend

I recieve this data on my php backend like this:

Data I recieve in the php backend from an android device

This data is sent and recieved ok, but, I got an issue when I recieve the same data from an ios device, I recieve the data like this:

Data I recieve in the php backend from an ios device

Have you got any solutions to this problem? how can I manage this data? can I transform this data to another format to use it?

Thanks :)

EDIT:

Code in my ionic app:

 var camposRequeridos=IDVisita: this.reparto.IDVisita, Expedicion: this.albaranes; //this.albaranes is an array with 1 or more objects

 this.communicate.postRecogida(camposRequeridos);

Code in comunicate.ts

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

 constructor(public http:HTTP,
 private auth: AuthProvider) 
 this.http.setDataSerializer('json');
 

 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));
 

In the api-call.php in case that the method is post:

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

And in recogida.php i transforn the data if i recieve a string:

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

EDIT:

After a lot of searching I discover that is an ionic bug or something like that because I try to build the app again in ios and on android and the issue dissapear, but sometimes appears again when I build the app again, I dont know why this is happening

In order to give a better answer as to why this is happening (and how to "fix it"), the code that originates that data would be needed.
another question relevant to answering this properly is if the iOS data is consistent (always same structure).


That said, what can be done is some simple data management/cleaning;
Create a function that processes the data coming from devices and enforces the arbitrary datastructure you need.

There are multiple ways of doing this, one would be to have a template of the datastructure, and the look for the values recursively in the data received. this would work even if the structure of the data changes, though not if the keys change.

I would advise to do some research before posting a question.