%JSON_ArrayGetLength function

Function

Returns the number (gets length) of elements in a JSON array.

Declaration
INT %JSON_ArrayGetLength(
    INT in handle
 )
Parameters
handleHandle to JSON array.
Return value

The number of items in a JSON array.

Description

The function returns the number of elements in the specified JSON array.

If the handle on the JSON array is invalid, an exception is thrown.

Example
 INT _arr
 _arr := %JSON_ArrayFromString('[[1,2,3],[4,5,6]]')
 
 INT _length
 _length := %JSON_ArrayGetLength(_arr)

 %JSON_FreeArrayHandle(_arr)

Related pages:

JSON format manipulation functions
Function arguments - types

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