cache.php

См. документацию.

<?php
namespace Bitrix\Landing\Block;
 
use \Bitrix\Landing\Manager;
 
class Cache
{
    const TAG_PREFIX = 'landing_block_';
 
    protected static $cacheDisabled = false;

    public static function disableCache(): void
    {
        self::$cacheDisabled = true;
    }

    public static function enableCache(): void
    {
        self::$cacheDisabled = false;
    }

    public static function isCaching(): bool
    {
        if (self::$cacheDisabled)
        {
            return false;
        }
        return defined('BX_COMP_MANAGED_CACHE') &&
               BX_COMP_MANAGED_CACHE === true;
    }

    public static function register($id): void
    {
        $id = intval($id);
 
        if ($id > 0 && self::isCaching())
        {
            Manager::getCacheManager()->registerTag(
                self::TAG_PREFIX . $id
            );
        }
    }

    public static function clear($id): void
    {
        $id = intval($id);
 
        if ($id > 0 && self::isCaching())
        {
            Manager::getCacheManager()->clearByTag(
                self::TAG_PREFIX . $id
            );
        }
    }
}