Carbon_Fields\Container\Comment_Meta_Container::init PHP Method

    public function init()
    {
        if (isset($_GET['c']) && ($comment_id = absint($_GET['c']))) {
            // Input var okay.
            $this->set_comment_id($comment_id);
        }
        add_action('admin_init', array($this, '_attach'));
        add_action('edit_comment', array($this, '_save'));
    }