/**
* check for correct state / country mapping.
*
- * @param array reference $fields - submitted form values.
- * @param array reference $errors - if any errors found add to this array. please.
+ * @param $fields
+ * @param $files
+ * @param $self
+ *
+ * @internal param \reference $array $fields - submitted form values.
+ * @internal param \reference $array $errors - if any errors found add to this array. please.
*
* @return true if no errors
* array of errors if any present.