Prepopulate field

• viorelepuran

• March 17, 2019 at 9:09 am

Hello,

I am trying to pre populate a field with the value of the same field taken from the last post + 1

So lets say that the last CPT has field ‘number’ = 10.
I would like when adding a new CPT to pre populate the ‘number’ with value 11.
This is the code i use:

add_filter('acf/load_field/name=number', 'my_acf_default_bill');
function my_acf_default_bill($field) {
    
    $latest_bill = get_posts("post_type=bills&numberposts=1");
    $new_bill = get_field( 'number', $latest_bill[0]->ID );
    $field['default_value'] = ++$new_bill;
    return $field;
}