The configuration key to disable FileCache completely. File core/lib/Drupal/Component/FileCache/FileCacheFactory

public FileCacheBackendInterface::delete($cid)

public FileCache::get($filepath) Gets

public FileCache::set($filepath, $data) Stores

public static FileCacheFactory::setPrefix($prefix)

public static FileCacheFactory::setConfiguration($configuration)

public NullFileCache::get($filepath) Gets

Creates a FileCache object. Hierarchy class \Drupal\Component\FileCache\

public NullFileCache::getMultiple(array $filepaths)

Null implementation for the file cache. Hierarchy class \Drupal\Component\FileCache\