WP_Customize_Manager::register_dynamic_settings PHP Method

register_dynamic_settings() public method

Add settings from the POST data that were not added with code, e.g. dynamically-created settings for Widgets
See also: add_dynamic_settings()
Since: 4.2.0
    public function register_dynamic_settings()
    {
        $setting_ids = array_keys($this->unsanitized_post_values());
        $this->add_dynamic_settings($setting_ids);
    }
WP_Customize_Manager