textarea.php

См. документацию.

<?php
namespace Bitrix\Landing\Field;
 
class Textarea extends \Bitrix\Landing\Field\Text
{
    public function viewForm(array $params = array())
    {
        ?>
        <textarea <?
        ?><?= isset($params['additional']) ? $params['additional'] . ' ' : ''?><?
        ?><?= isset($params['id']) ? 'id="' . \htmlspecialcharsbx($params['id']) . '" ' : ''?><?
        ?><?= $this->maxlength > 0 ? 'maxlength="'. $this->maxlength . '" ' : ''?><?
        ?><?= $this->placeholder != '' ? 'placeholder="'. $this->placeholder . '" ' : ''?><?
        ?><?= isset($params['rows']) ? 'rows="'. $params['rows'] . '" ' : ''?><?
        ?><?= isset($params['autocomplete']) ? 'autocomplete="'. $params['autocomplete'] . '" ' : ''?><?
        ?>class="<?= isset($params['class']) ? \htmlspecialcharsbx($params['class']) : ''?>" <?
        ?>data-code="<?= \htmlspecialcharsbx($this->code)?>" <?
        ?>name="<?= \htmlspecialcharsbx(isset($params['name_format'])
                ? str_replace('#field_code#', $this->code, $params['name_format'])
                : $this->code)?>" <?
        ?><?= (isset($params['disabled']) && $params['disabled']) ? ' disabled ' : ''?><?
        ?> ><?= \htmlspecialcharsbx($this->value ? $this->value : $this->default)?></textarea>
        <?
    }

    public function isEmptyValue()
    {
        return $this->value === '';
    }
}