array_length()

Calculates the number of elements in a dynamic array.

Syntax

array_length(array)

Arguments

  • array: A dynamic value.

Returns

The number of elements in array, or null if array is not an array.

Examples

print array_length(parse_json('[1, 2, 3, "four"]')) == 4

print array_length(parse_json('[8]')) == 1

print array_length(parse_json('[{}]')) == 1

print array_length(parse_json('[]')) == 0

print array_length(parse_json('{}')) == null

print array_length(parse_json('21')) == null