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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare

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Current File : //var/www/web28/html/wp-content/plugins/matomo/app/core/Cache.php

<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
namespace Piwik;

use Piwik\Container\StaticContainer;
class Cache
{
    /**
     * This can be considered as the default cache to use in case you don't know which one to pick. It does not support
     * the caching of any objects though. Only boolean, numbers, strings and arrays are supported. Whenever you request
     * an entry from the cache it will fetch the entry. Cache entries might be persisted but not necessarily. It
     * depends on the configured backend.
     *
     * @return \Matomo\Cache\Lazy
     */
    public static function getLazyCache()
    {
        return StaticContainer::get('Matomo\\Cache\\Lazy');
    }
    /**
     * This class is used to cache any data during one request. It won't be persisted between requests and it can
     * cache all kind of data, even objects or resources. This cache is very fast.
     *
     * @return \Matomo\Cache\Transient
     */
    public static function getTransientCache()
    {
        return StaticContainer::get('Matomo\\Cache\\Transient');
    }
    /**
     * This cache stores all its cache entries under one "cache" entry in a configurable backend.
     *
     * This comes handy for things that you need very often, nearly in every request. For example plugin metadata, the
     * list of tracker plugins, the list of available languages, ...
     * Instead of having to read eg. a hundred cache entries from files (or any other backend) it only loads one cache
     * entry which contains the hundred keys. Should be used only for things that you need very often and only for
     * cache entries that are not too large to keep loading and parsing the single cache entry fast.
     * All cache entries it contains have the same life time. For fast performance it won't validate any cache ids.
     * It is not possible to cache any objects using this cache.
     *
     * @return \Matomo\Cache\Eager
     */
    public static function getEagerCache()
    {
        return StaticContainer::get('Matomo\\Cache\\Eager');
    }
    public static function flushAll()
    {
        self::getLazyCache()->flushAll();
        self::getTransientCache()->flushAll();
        self::getEagerCache()->flushAll();
    }
    /**
     * @param $type
     * @return \Matomo\Cache\Backend
     */
    public static function buildBackend($type)
    {
        $factory = new \Matomo\Cache\Backend\Factory();
        $options = self::getOptions($type);
        $backend = $factory->buildBackend($type, $options);
        return $backend;
    }
    private static function getOptions($type)
    {
        $options = self::getBackendOptions($type);
        switch ($type) {
            case 'file':
                $options = array('directory' => StaticContainer::get('path.cache'));
                break;
            case 'chained':
                foreach ($options['backends'] as $backend) {
                    $options[$backend] = self::getOptions($backend);
                }
                break;
            case 'redis':
                if (!empty($options['timeout'])) {
                    $options['timeout'] = (float) \Piwik\Common::forceDotAsSeparatorForDecimalPoint($options['timeout']);
                }
                break;
        }
        return $options;
    }
    private static function getBackendOptions($backend)
    {
        $key = ucfirst($backend) . 'Cache';
        $options = \Piwik\Config::getInstance()->{$key};
        return $options;
    }
}

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