code: public function destroySession($id)
      {
          $cacheId = $this->calculateKey($id);
          if ($this->cache->exists($cacheId) === false) {
              return true;
          }
  
          return $this->cache->delete($cacheId);
      }
docs: Session destroy handler.
  @internal Do not call this method directly.
  @param string $id session ID
  @return bool whether session is destroyed successfully