@Cache

Usage

The @Cache annotation makes it easy to define HTTP caching:

use Sensio\Bundle\FrameworkExtraBundle\Configuration\Cache;

/**
 * @Cache(expires="tomorrow")
 */
public function indexAction()
{
}

You can also use the annotation on a class to define caching for all methods:

/**
 * @Cache(expires="tomorrow")
 */
class BlogController extends Controller
{
}

When there is a conflict between the class configuration and the method configuration, the latter overrides the former:

/**
 * @Cache(expires="tomorrow")
 */
class BlogController extends Controller
{
    /**
     * @Cache(expires="+2 days")
     */
    public function indexAction()
    {
    }
}

Attributes

Here is a list of accepted attributes and their HTTP header equivalent:

Annotation	Response Method
@Cache(expires="tomorrow")	$response->setExpires()
@Cache(smaxage="15")	$response->setSharedMaxAge()
@Cache(maxage="15")	$response->setMaxAge()
@Cache(vary=["Cookie"])	$response->setVary()

Note

The expires attribute takes any valid date understood by the PHP strtotime() function.

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