Pasted

/********************************************\
|* option lecture seule (readonly) pour ACF *|
|* (uniquement pour types text et textarea) *|
\********************************************/
 
function add_readonly_and_disabled_to_fields($field) {
    acf_render_field_setting($field, array(
        'label' => __("Read Only?",'acf'),
        'instructions' => '',
        'type' => 'radio',
        'name' => 'readonly',
        'choices' => array(
            0 => __("No",'acf'),
            1 => __("Yes",'acf'),
        ),
        'layout' => 'horizontal',
    ));
}
add_action('acf/render_field_settings', 'add_readonly_and_disabled_to_fields');