I am assuming that you want this to happen when you edit the field or if you have a field set up to allow adding new choices when editing a post.
When ACF updates a field’s settings, just before saving the field to the DB it calls
$field = apply_filters( "acf/update_field", $field );
It is possible to set up a filter on this hook that will do what you want. In the filter you would need to check to make sure it’s the right field by looking at
$field['key'] and then you’d need to create the logic to sort
Welcome to the Advanced Custom Fields community forum.
Browse through ideas, snippets of code, questions and answers between fellow ACF users
Helping others is a great way to earn karma, gain badges and help ACF development!
ACF PRO’s Flexible Content field allows you to create smaller pieces of UI and compose them into whole flexible patterns. In our latest article, we show how to use it to create swappable site sections and integrate it all in a theme.https://t.co/ZRocH8oJSp— Advanced Custom Fields (@wp_acf) January 24, 2023
© 2023 Advanced Custom Fields.