size
Returns the number of items in the argument.
If the argument is an array, the function returns the number of items in the array; otherwise it returns 1 if the item is not null and 0 if it is null.
Arguments
Element to check.
If the argument is an array, the function returns the number of items in the array; otherwise it returns 1 if the item is not null and 0 if it is null.
Element to check.