YetiForceCompany/YetiForceCRM

<?php
/**
 * Base caching file.
 *
 * @package App
 *
 * @copyright YetiForce S.A.
 * @license   YetiForce Public License 6.5 (licenses/LicenseEN.txt or yetiforce.com)
 * @author    Mariusz Krzaczkowski <m.krzaczkowski@yetiforce.com>
 * @author    Radosław Skrzypczak <r.skrzypczak@yetiforce.com>
 */

namespace App\Cache;

/**
 * Base caching class.
 */
class Base
{
    private static $cache = [];

    /**
     * Is apcu is available.
     *
     * @return bool
     */
    public static function isSupported()
    {
        return true;
    }

    /**
     * Returns a cache item representing the specified key.
     *
     * @param array|string $key Cache ID
     *
     * @return array|string
     */
    public function get($key)
    {
        return self::$cache[$key] ?? false;
    }

    /**
     * Confirms if the cache contains specified cache item.
     *
     * @param array|string $key Cache ID
     *
     * @return bool
     */
    public function has($key)
    {
        return isset(self::$cache[$key]);
    }

    /**
     * Cache save.
     *
     * @param string            $key      Cache ID
     * @param array|string|null $value    Data to store
     * @param false|int         $duration Cache TTL (in seconds)
     *
     * @return bool
     */
    public function save($key, $value = null, $duration = false)
    {
        self::$cache[$key] = $value;
        unset($duration);
        return true;
    }

    /**
     * Removes the item from the cache.
     *
     * @param array|string $key Cache ID
     *
     * @return bool
     */
    public function delete($key)
    {
        unset(self::$cache[$key]);
    }

    /**
     * Deletes all items in the cache.
     *
     * @return bool
     */
    public function clear()
    {
        self::$cache = [];
        return true;
    }
}