cache.php

<?php
namespace Bitrix\Landing\Landing;
 
use \Bitrix\Landing\Manager;
 
class Cache
{
    const TAG_PREFIX = 'landing_page_';
 
    public static function isCaching()
    {
        return defined('BX_COMP_MANAGED_CACHE') &&
               BX_COMP_MANAGED_CACHE === true;
    }
 
    public static function register($id)
    {
        $id = intval($id);
 
        if ($id > 0 && self::isCaching())
        {
            Manager::getCacheManager()->registerTag(
                self::TAG_PREFIX . $id
            );
        }
    }
 
    public static function clear($id)
    {
        $id = intval($id);
 
        if ($id > 0 && self::isCaching())
        {
            Manager::getCacheManager()->ClearByTag(
                self::TAG_PREFIX . $id
            );
        }
    }
}