eZ Documentation Center

This is outdated documentation made for eZ Publish Platform 5.1. It is being moved into the eZ Publish 5.x documentation, so please go there for most up-to-date documentation.

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Content Cache


Shared HTTP cache is only available for anonymous users. Logged in users will be served the same cache as for anonymous users, except for restricted access.

For personal information display, you must use sub-requests with ESI or Hinclude. Sub-controller would not use cache or make the cached response vary with Cookie (individual cache).

eZ Publish uses Symfony HttpCache to manage content cache, with both expiration and validation model. Hence an ETag is computed for every content/version and sent in the Http response. It is also possible to use expiration model to get lightning fast responses.

An additional X-Location-Id header is added in the response for identification (see cache purge document).


Making your controller content cache aware

Sometimes you need that your controller's cache expires in the same time than a specific content (i.e. ESI sub-requests with render twig helper, for a menu for instance). To be able to do that, you just need to add X-Location-Id header to the response object:


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