JsonArrayGetStringElement Function

Action

Retrieves the value of a specified element from a JSON array. If the array element does not exist in the JSON array or the array element does not contain a string value nothing happens.

Include file

Json.bdh

Syntax

JsonArrayGetStringElement( in handle : number,
                           in index  : number,
                           out value : string ): boolean;
Parameter Description
handle Valid handle to a JSON array
index The index position in the JSON array. Lower bound is zero (0).
value Parameter that contains the value of the specified element

Return value

  • true if element successfully found
  • false otherwise

Example

transaction TMain
var
  jsonText, elementValue : string;
  jsonArray, i           : number;
begin
  WebParseDataBound(jsonText);
  WebPageUrl("http://mycompany.com/api/jsondata");
  jsonArray := JsonParse(jsonText);
  
  for i := 0 to (JsonGetArrayLength(jsonArray) - 1) do
    JsonArrayGetStringElement(jsonArray, i, elementValue);
    Print("index: " + string(i) + ", value: " + elementValue);
  end;

  JsonFree(jsonArray);
end TMain;