%JSON_ArrayIsValue function

Function

Check if there is value at given index in JSON array.

Declaration
BOOL %JSON_ArrayIsValue(
    INT in handle, 
    INT in index
 )
Parameters
handleHandle to parent JSON array.
indexIndex
Return value

@TRUE if at given index is value of type BOOL, INT, REAL, TEXT or invalid value, else @FALSE.

Description

Function check if there is value of type BOOL, INT, REAL, TEXT or invalid value at given index in JSON array.

Exception is thrown if handle to JSON array is invalid or index is out of range.

Example
 INT _arr
 _arr := %JSON_ArrayFromString("[[1,2,3],{},514]")
 
 BOOL _is_value
 _is_value := %JSON_FreeArrayHandle(_arr, 3)

 %JSON_DeleteArray(_arr)

Related pages:

JSON format manipulation functions
Function arguments - types

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