Cache

21class Cache22{23    /**24     * Cache handler classes25     *26     * These receive 3 parameters to their constructor, as documented in27     * {@see register()}28     * @var array<string, class-string<Base>>29     */30    protected static $handlers = [31        'mysql'     => Cache\MySQL::class,32        'memcache'  => Cache\Memcache::class,33        'memcached' => Cache\Memcached::class,34        'redis'     => Cache\Redis::class,35    ];36 37    /**38     * Don't call the constructor. Please.39     */40    private function __construct()41    {42    }43 44    /**45     * Create a new SimplePie\Cache object46     *47     * @param string $location URL location (scheme is used to determine handler)48     * @param string $filename Unique identifier for cache object49     * @param Base::TYPE_FEED|Base::TYPE_IMAGE $extension 'spi' or 'spc'50     * @return Base Type of object depends on scheme of `$location`51     */52    public static function get_handler(string $location, string $filename, $extension)53    {54        $type = explode(':', $location, 2);55        $type = $type[0];56        if (!empty(self::$handlers[$type])) {57            $class = self::$handlers[$type];58            return new $class($location, $filename, $extension);59        }60 61        return new \SimplePie\Cache\File($location, $filename, $extension);62    }63 64    /**65     * Create a new SimplePie\Cache object66     *67     * @deprecated since SimplePie 1.3.1, use {@see get_handler()} instead68     * @param string $location69     * @param string $filename70     * @param Base::TYPE_FEED|Base::TYPE_IMAGE $extension71     * @return Base72     */73    public function create(string $location, string $filename, $extension)74    {75        trigger_error('Cache::create() has been replaced with Cache::get_handler() since SimplePie 1.3.1, use the registry system instead.', \E_USER_DEPRECATED);76 77        return self::get_handler($location, $filename, $extension);78    }79 80    /**81     * Register a handler82     *83     * @param string $type DSN type to register for84     * @param class-string<Base> $class Name of handler class. Must implement Base85     * @return void86     */87    public static function register(string $type, $class)88    {89        self::$handlers[$type] = $class;90    }91 92    /**93     * Parse a URL into an array94     *95     * @param string $url96     * @return array<string, mixed>97     */98    public static function parse_URL(string $url)99    {100        $parsedUrl = parse_url($url);