JsonArrayGetFloatElement 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 arrayelement does not contain a float value nothing happens.

Include file

Json.bdh

Syntax

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