# jetformbuilder/3.6.6/includes/blocks/render/form-hidden-fields.php

JetFormBuilder — Dynamic Blocks Form Builder, version 3.6.6. 73 lines.

- Page: https://pluginprobe.com/plugins/jetformbuilder/3.6.6/code/includes/blocks/render/form-hidden-fields.php
- Raw: https://pluginprobe.com/plugins/jetformbuilder/3.6.6/raw/includes/blocks/render/form-hidden-fields.php
- Modified: 2026-06-22T12:35:44+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/jetformbuilder/3.6.6/code/includes/blocks/render/form-hidden-fields.php#L10-L20`.

```php
<?php


namespace Jet_Form_Builder\Blocks\Render;

use Jet_Form_Builder\Blocks\Block_Helper;
use Jet_Form_Builder\Blocks\Conditional_Block\Render_State;
use Jet_Form_Builder\Classes\Http\Http_Tools;
use Jet_Form_Builder\Classes\Security\Csrf_Tools;
use JFB_Modules\Security\Wp_Nonce;
use Jet_Form_Builder\Live_Form;
use JFB_Modules\User_Journey\Module;

// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
	die;
}

class Form_Hidden_Fields {

	public static function render() {
		$fields = Render_State::instance()->set_current()->render();

		$fields .= Live_Form::force_render_field(
			'hidden-field',
			array(
				'field_value' => jet_fb_live()->form_id,
				'name'        => jet_fb_handler()->form_key,
			)
		);

		$fields .= Live_Form::force_render_field(
			'hidden-field',
			array(
				'field_value' => Http_Tools::get_form_refer_url(),
				'name'        => jet_fb_handler()->refer_key,
			)
		);

		if ( Block_Helper::is_valid_preview_form_post( jet_fb_live()->form_id ) ) {
			$fields .= Live_Form::force_render_field(
				'hidden-field',
				array(
					'field_value' => Block_Helper::get_preview_nonce(),
					'name'        => Block_Helper::PREVIEW_NONCE_FIELD,
				)
			);
		}

		$fields .= Live_Form::force_render_field(
			'hidden-field',
			array(
				'field_value' => Live_Form::instance()->post->ID ?? - 1,
				'name'        => jet_fb_handler()->post_id_key,
			)
		);

		if ( Module::instance()->is_user_journey_enabled() ) {
			$fields .= Live_Form::force_render_field(
				'hidden-field',
				array(
					'field_value' => array(),
					'name'        => jet_fb_handler()->user_journey_key,
				)
			);
		}

		return $fields;
	}


}

```