MC4WP_Form_Asset_Manager::before_output_form PHP Method

    public function before_output_form()
    {
        // only run once
        if ($this->dummy_printed) {
            return;
        }
        // print dummy JS
        $this->print_dummy_javascript();
        // set flags
        $this->load_scripts = true;
        $this->dummy_printed = true;
    }