Reply To: Disable Options for Select Field

• eurescom

• November 25, 2019 at 8:04 pm

With the acf/prepare_field it would work to remove the options for all my requirements.
So thanks @hube2 for pointing me at that direction.

I used some different code because i also have optgroups.

function filter_choices($field)
{
    if (is_user_logged_in() && current_user_can('administrator')) {
        // don't filter for admins
        return $field;
    }

    $value = acf_get_array($field['value']);
    $choices = acf_get_array($field['choices']);

    // keys which will be removed
    $disabled_options = array(1, 2, 3);

    // value should be kept as selectable option for edit therefore remove it from disabled options
    if (!is_null($value)) {
        if (is_array($value)) {
            $disabled_options = array_diff($disabled_options, $value);
        } else {
            $disabled_options = array_diff($disabled_options, array($value));
        }
    }

    // delete keys in in normal options
    $choices = array_diff_key($choices, array_flip((array) $disabled_options));
    foreach ($choices as $choice_key => $choice_value) {
        // delete keys in option groups
        if (is_array($choice_value)) {
            $choices[$choice_key] = array_diff_key($choice_value, array_flip((array) $disabled_options));
            //remove empty groups from choices
            if (sizeof($choices[$choice_key])==0) {
                unset($choices[$choice_key]);
            }
        }
    }
    $field['choices'] = $choices;
    return $field;
}
add_filter('acf/prepare_field/name=select_field_name', 'filter_choices', 20);

Anyhow a possibility to disable single options would also be good if this would be implemented in future acf versions.