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Question by Kartm · Jul 23, 2016 at 12:07 AM · unity5jsonwebphp

JSON Array from server to Unity C#

Hello!
I have a simple PHP script that is getting data from MySQL, making a two dimensional array from them and then encoding it to JSON.

 $resultArray = array();  
     while($row = mysqli_fetch_array($result)){
         $resultArray[] = array("id"=>$row['id'], "name"=>$row['name'], "description"=>$row['description'], "points"=>$row['points'], );
     }
     $resultJSON = json_encode($resultArray);

JSON looks like this:

 [  
     {  
         "id":"9",
         "name":"name",
         "description":"",
         "points":"12"
     },
     {  
         "id":"10",
         "name":"Namename",
         "description":"Description",
         "points":"21"
     },
     {  
         "id":"12",
         "name":"Namenamename",
         "description":"p",
         "points":"54"
     }
 ]

Now I want to download the JSON string to Unity and convert it to two-dimensional array. This is my code so far:

 IEnumerator getArray() {
 
         string query = wwwURL;
         WWW array_get = new WWW(query);
         yield return array_get;
 
         if(array_get.text != null){
             JSON = array_get.text;
         }
     }

How to do it? Any example?
I was looking on the web, but I didn't understand anything. Is any Unity JSON parser supporting there arrays?

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Answer by Danish-gaur · Jul 23, 2016 at 09:41 AM

Hello, Use WWW class to get data from server using web service. Make co routine : Ex:

 void Start () 
    {
           string url = "http://example.com/script.php?var1=value2&var2=value2";
           WWW www = new WWW(url);
          StartCoroutine(WaitForRequest(www));
   }

  IEnumerator WaitForRequest(WWW www)
  {
      yield return www;
 
      // check for errors
      if (www.error == null)
      {
          Debug.Log("WWW Ok!: " + www.data);
      } else {
          Debug.Log("WWW Error: "+ www.error);
      }    
  }
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avatar image Kartm · Jul 23, 2016 at 09:46 AM 0
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Yeah, I did it already. But how to convert that data to an array?

avatar image Danish-gaur Kartm · Jul 23, 2016 at 11:27 AM 0
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It will return you a string. Using String Pladding u can Convert that data into array. Say suppose the array elements are separated by "/" (slash) the you can break that string where you find the slash and store it into the array or list. Use String.Split(); method to split it and this will return you the array of string.

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