FluentCache.php

<?php

class FluentCache extends \ArrayObject
{
    private $cache;

    public function __construct(\Doctrine\Common\Cache\Cache $cache, array $data = array())
    {
        $this->cache = $cache;
        parent::__construct($data, static::ARRAY_AS_PROPS);
    }

    public function offsetExists($id)
    {
        return $this->cache->contains($id);
    }

    public function offsetGet($id)
    {
        return $this->cache->fetch($id);
    }

    public function offsetSet($id, $data)
    {
        return $this->cache->save($id, $data);
    }

    public function offsetUnset($id)
    {
        return $this->cache->delete($id);
    }
    
    public function __invoke(array $data)
    {
        foreach ($data as $key => $value) {
            $this[$key] = $value;
        }
    }
}