Reply To: How can I update one acf value with another on save?

• John Huebner

• October 8, 2022 at 9:31 pm

Simple example:

add_action('acf/save_post', 'my_acf_save_post', 30);
function my_acf_save_post($post_id) {
  // get value from a field
  $value = get_field('field_name', $post_id);
  // update another field to this value
  update_field('other_field', $value, $post_id);
}