Reply To: acf/save_post – execute only when value of field has changed

• John Huebner

• January 21, 2021 at 3:14 am

You need to run your action with a priority of <10 so that it runs before the new values are saved.
$_POST['acf']['field_5fd213a8c6dfe'] will have the new value and get_field('field_5fd213a8c6dfe') will return the old value.