### Array functions

| Name           | Parameters | Return  | Description                                                   |
| -------------- | ---------- | ------- | ------------------------------------------------------------- |
| ARRAY_LENGTH   | ARRAY      | Integer | Return the length of Array.                                   |
| ARRAY_SHUFFLE  | ARRAY      | ARRAY   | Return Randomly shuffles the first dimension of the array.    |
| ARRAY_POSITION | ARRAY, Any | Integer | Return the position of element in array or NULL if not found. |
| ARRAY_DIMS     | ARRAY      | Text    | Returns a text representation of the array's dimensions.      |
