util.JSONArray.getLength() returns the number of the members included in the specified JSON array.
Syntax:
util.JSONArray.getLength()
Usage and examples:
util.JSONArray.get() is used to return or display how many members there are in the specified JSON array.
|
example code #1 |
MAIN DEFINE json_arr util.JSONArray LET json_arr = util.JSONArray.parse('[123,"abc",null]') DISPLAY json_arr.getLength() CALL fgl_getkey() END MAIN
|
|
obtained results #1 |
|
|
example code #2
|
MAIN DEFINE da DYNAMIC ARRAY OF INTEGER DEFINE json_arr util.JSONArray LET da[1] = 1 LET da[2] = 12 LET da[3] = 123 LET da[4] = 1234 LET da[5] = 12345 LET json_arr = util.JSONArray.fromFGL(da) DISPLAY json_arr.getLength() CALL fgl_getkey() END MAIN
|
|
obtained results #2 |
|
This method can be used together with util.JSONArray.getType() in order to read the members of JSON arrays:
Example programs:
CVS server: client.querix.com
CVS repository: /lycia_doc_examples
User: client
Project: auxiliary_features/json
Program: util_JSONArray_getLength
Related articles:
