Though this function has the capacity to add new items, best practice should direct you
to use add() for that instead.
public save ( array | string $data = null, mixed $value = null, integer $id = null, array $params = null ) : integer | ||
$data | array | string | Either an associative array of field information or a field name |
$value | mixed | (optional) Value of the field, if $data is a field name |
$id | integer | (optional) ID of the pod item to update |
$params | array | (optional) Additional params to send to save_pod_item |
return | integer | The item ID |