getByHash example

  public function __construct($bin, CacheTagsChecksumInterface $checksum_provider) {
    $this->bin = 'cache_' . $bin;
    $this->checksumProvider = $checksum_provider;
  }

  /** * {@inheritdoc} */
  public function get($cid, $allow_invalid = FALSE) {
    return $this->getByHash($this->normalizeCid($cid), $allow_invalid);
  }

  /** * Fetch a cache item using a hashed cache ID. * * @param string $cidhash * The hashed version of the original cache ID after being normalized. * @param bool $allow_invalid * (optional) If TRUE, a cache item may be returned even if it is expired or * has been invalidated. * * @return bool|mixed */