hidden.php

<?php
namespace Bitrix\Landing\Field;
 
class Hidden extends \Bitrix\Landing\Field
{
    public function viewForm(array $params = array())
    {
        ?>
        <input type="hidden" <?
        ?><?= isset($params['additional']) ? $params['additional'] . ' ' : ''?><?
        ?><?= isset($params['id']) ? 'id="' . \htmlspecialcharsbx($params['id']) . '" ' : ''?><?
        ?>data-code="<?= \htmlspecialcharsbx($this->code)?>" <?
        ?>name="<?= \htmlspecialcharsbx(isset($params['name_format'])
                ? str_replace('#field_code#', $this->code, $params['name_format'])
                : $this->code)?>" <?
        ?>value="<?= \htmlspecialcharsbx($this->value ? $this->value : $this->default)?>" <?
        ?> />
        <?
    }
 
    public function isEmptyValue()
    {
        return $this->value === '';
    }
}