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Asked: 2026-05-21T03:34:15+00:00

I have never bothered to look at caching for my projects, because they´re usually

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I have never bothered to look at caching for my projects, because they´re usually small, with a hundred users at most, and the data is always changing.

Then, I thought about trying Symfony and it warned me that APC was disabled with the check_configuration.php script.

I went to check what is APC, and saw that it´s main use is opcode caching, which is good, bu that it also has user data caching, which I´m not sure is something I want when any changes in the database are meant to be seen, and they happen every couple of minutes.

Could anyone explain how do I disable this user data cache, or is APC something not to be used when data is always changing?

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1 Answer

  1. Editorial Team

    APC doesn’t cache any user data unless you force it to. If APC caches and serves stale user data, that’s because you’ve designed your application to do so. Outside of opcode caching, it’s just a key-value store somewhat comparable to memcache — it only caches what you explicitly put in it.

    If symfony has page caching behavior, you need to disable that in symfony, not APC.

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