<?php /** * @file * Contains \Drupal\Component\FileCache\NullFileCache. */ namespace Drupal\Component\FileCache; /** * Null implementation for the file cache. */ class NullFileCache implements FileCacheInterface { /** * Constructs a FileCache object. * * @param string $prefix * A prefix that is used as a prefix, should be set to a secure, unique key * to prevent cache pollution by a third party. * @param string $collection * A collection identifier to ensure that the same files could be cached for * different purposes without clashing. * @param string|null $cache_backend_class * (optional) The class that should be used as cache backend. * @param array $cache_backend_configuration * (optional) The configuration for the backend class. */ public function __construct($prefix, $collection, $cache_backend_class = NULL, array $cache_backend_configuration = []) { } /** * {@inheritdoc} */ public function get($filepath) { return NULL; } /** * {@inheritdoc} */ public function getMultiple(array $filepaths) { return []; } /** * {@inheritdoc} */ public function set($filepath, $data) { } /** * {@inheritdoc} */ public function delete($filepath) { } }